diff --git a/.github/release-please-manifest.json b/.github/release-please-manifest.json
index e231c7f1..904d36d0 100644
--- a/.github/release-please-manifest.json
+++ b/.github/release-please-manifest.json
@@ -1,12 +1,12 @@
 {
-  "packages/access-client": "1.0.2",
+  "packages/access-client": "1.0.3",
   "packages/blob-index": "1.0.1",
-  "packages/cli": "1.1.1",
-  "packages/filecoin-api": "1.1.1",
+  "packages/cli": "1.1.2",
+  "packages/filecoin-api": "1.1.2",
   "packages/filecoin-client": "1.0.2",
-  "packages/capabilities": "1.2.1",
-  "packages/upload-api": "1.3.2",
-  "packages/upload-client": "1.0.4",
-  "packages/w3up-client": "1.1.4",
+  "packages/capabilities": "1.2.2",
+  "packages/upload-api": "1.3.4",
+  "packages/upload-client": "1.0.5",
+  "packages/w3up-client": "1.1.5",
   "packages/did-mailto": "1.0.1"
 }
diff --git a/packages/access-client/CHANGELOG.md b/packages/access-client/CHANGELOG.md
index dca17b88..f683b817 100644
--- a/packages/access-client/CHANGELOG.md
+++ b/packages/access-client/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [1.0.3](https://github.com/storacha/upload-service/compare/access-v1.0.2...access-v1.0.3) (2025-02-11)
+
+
+### Fixes
+
+* dedupe proofs ([#143](https://github.com/storacha/upload-service/issues/143)) ([de2ac67](https://github.com/storacha/upload-service/commit/de2ac67c1af1f968cdb359f96e4be5fbd8254b7d))
+* use up.storacha.network ([#144](https://github.com/storacha/upload-service/issues/144)) ([ac6b5b4](https://github.com/storacha/upload-service/commit/ac6b5b4b9881f9889e99e18b38fbfb302b4fb3b5))
+
 ## [1.0.2](https://github.com/storacha/upload-service/compare/access-v1.0.1...access-v1.0.2) (2025-01-22)
 
 
diff --git a/packages/access-client/package.json b/packages/access-client/package.json
index a4fa0535..2034b26f 100644
--- a/packages/access-client/package.json
+++ b/packages/access-client/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storacha/access",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "description": "access client",
   "homepage": "https://storacha.network",
   "repository": {
diff --git a/packages/access-client/src/agent.js b/packages/access-client/src/agent.js
index 5fc067ef..75f9398d 100644
--- a/packages/access-client/src/agent.js
+++ b/packages/access-client/src/agent.js
@@ -265,25 +265,26 @@ export class Agent {
    * @param {API.DID} [options.sessionProofIssuer] - only include session proofs for this issuer
    */
   proofs(caps, options) {
-    const authorizations = []
+    /** @type {Map<string, API.Delegation<API.Capabilities>>} */
+    const authorizations = new Map()
     for (const { delegation } of this.#delegations(caps)) {
       if (delegation.audience.did() === this.issuer.did()) {
-        authorizations.push(delegation)
+        authorizations.set(delegation.cid.toString(), delegation)
       }
     }
 
     // now let's add any session proofs that refer to those authorizations
     const sessions = getSessionProofs(this.#data)
-    for (const proof of authorizations) {
+    for (const proof of [...authorizations.values()]) {
       const proofsByIssuer = sessions[proof.asCID.toString()] ?? {}
       const sessionProofs = options?.sessionProofIssuer
         ? proofsByIssuer[options.sessionProofIssuer] ?? []
         : Object.values(proofsByIssuer).flat()
-      if (sessionProofs.length) {
-        authorizations.push(...sessionProofs)
+      for (const sessionProof of sessionProofs) {
+        authorizations.set(sessionProof.cid.toString(), sessionProof)
       }
     }
-    return authorizations
+    return [...authorizations.values()]
   }
 
   /**
diff --git a/packages/access-client/test/agent-use-cases.test.js b/packages/access-client/test/agent-use-cases.test.js
index 94a585d1..3bd2389f 100644
--- a/packages/access-client/test/agent-use-cases.test.js
+++ b/packages/access-client/test/agent-use-cases.test.js
@@ -197,7 +197,7 @@ describe('authorizeWaitAndClaim', async function () {
 describe('getAccountPlan', async function () {
   const accountWithAPlan = 'did:mailto:example.com:i-have-a-plan'
   const accountWithoutAPlan = 'did:mailto:example.com:i-have-no-plan'
-  const product = 'did:web:test.upload.storacha.network'
+  const product = 'did:web:test.up.storacha.network'
   /** @type {Record<Ucanto.DID, {product: Ucanto.DID, updatedAt: string}>} */
   const plans = {
     [accountWithAPlan]: {
diff --git a/packages/access-client/test/agent.test.js b/packages/access-client/test/agent.test.js
index 478f8055..ac64b263 100644
--- a/packages/access-client/test/agent.test.js
+++ b/packages/access-client/test/agent.test.js
@@ -571,6 +571,25 @@ describe('Agent', function () {
       'invocation for serviceBWeb does not have sessionProof from serviceAWeb'
     )
   })
+
+  it('should dedupe proofs', async function () {
+    const agent = await Agent.create()
+    const space = await agent.createSpace('test-add')
+    const authorization = await space.createAuthorization(agent, {
+      access: { '*': {} },
+      expiration: Infinity,
+    })
+
+    await agent.importSpaceFromDelegation(authorization)
+    const proofs = agent.proofs([
+      { can: 'space/blob/add', with: space.did() },
+      { can: 'space/index/add', with: space.did() },
+    ])
+
+    // the same proof proves both capabilities
+    assert.equal(proofs.length, 1)
+    assert.equal(proofs[0].cid.toString(), authorization.cid.toString())
+  })
 })
 
 /**
diff --git a/packages/capabilities/CHANGELOG.md b/packages/capabilities/CHANGELOG.md
index be4847bb..f2487343 100644
--- a/packages/capabilities/CHANGELOG.md
+++ b/packages/capabilities/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.2.2](https://github.com/storacha/upload-service/compare/capabilities-v1.2.1...capabilities-v1.2.2) (2025-02-11)
+
+
+### Fixes
+
+* use up.storacha.network ([#144](https://github.com/storacha/upload-service/issues/144)) ([ac6b5b4](https://github.com/storacha/upload-service/commit/ac6b5b4b9881f9889e99e18b38fbfb302b4fb3b5))
+
 ## [1.2.1](https://github.com/storacha/upload-service/compare/capabilities-v1.2.0...capabilities-v1.2.1) (2025-01-22)
 
 
diff --git a/packages/capabilities/package.json b/packages/capabilities/package.json
index 8eabfe81..68b12563 100644
--- a/packages/capabilities/package.json
+++ b/packages/capabilities/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storacha/capabilities",
-  "version": "1.2.1",
+  "version": "1.2.2",
   "description": "UCAN Capabilities provided by storacha.network",
   "homepage": "https://storacha.network",
   "repository": {
diff --git a/packages/capabilities/test/capabilities/provider.test.js b/packages/capabilities/test/capabilities/provider.test.js
index 2d566bf6..7b50fd8a 100644
--- a/packages/capabilities/test/capabilities/provider.test.js
+++ b/packages/capabilities/test/capabilities/provider.test.js
@@ -18,7 +18,7 @@ describe('provider/add', function () {
       audience: service,
       with: account,
       nb: {
-        provider: 'did:web:test.upload.storacha.network',
+        provider: 'did:web:test.up.storacha.network',
         consumer: space.did(),
       },
       proofs: await createAuthorization({ agent, service, account }),
@@ -36,7 +36,7 @@ describe('provider/add', function () {
       assert.deepEqual(result.ok.audience.did(), service.did())
       assert.equal(result.ok.capability.can, 'provider/add')
       assert.deepEqual(result.ok.capability.nb, {
-        provider: 'did:web:test.upload.storacha.network',
+        provider: 'did:web:test.up.storacha.network',
         consumer: space.did(),
       })
     }
@@ -51,7 +51,7 @@ describe('provider/add', function () {
       audience: service,
       with: account,
       nb: {
-        provider: 'did:web:test.upload.storacha.network',
+        provider: 'did:web:test.up.storacha.network',
         consumer: space.did(),
       },
     })
@@ -80,7 +80,7 @@ describe('provider/add', function () {
       audience: service,
       with: account,
       nb: {
-        provider: 'did:web:test.upload.storacha.network',
+        provider: 'did:web:test.up.storacha.network',
         consumer: space.did(),
       },
       proofs: [delegation],
@@ -110,7 +110,7 @@ describe('provider/add', function () {
       audience: service,
       with: account,
       nb: {
-        provider: 'did:web:test.upload.storacha.network',
+        provider: 'did:web:test.up.storacha.network',
         consumer: space.did(),
       },
       proofs: [attestation],
@@ -135,7 +135,7 @@ describe('provider/add', function () {
         with: bobAccount.did(),
         // @ts-ignore
         nb: {
-          provider: 'did:web:test.upload.storacha.network',
+          provider: 'did:web:test.up.storacha.network',
         },
       })
     }, /Error: Invalid 'nb' - Object contains invalid field "consumer"/)
@@ -149,7 +149,7 @@ describe('provider/add', function () {
         audience: service,
         with: bobAccount.did(),
         nb: {
-          provider: 'did:web:test.upload.storacha.network',
+          provider: 'did:web:test.up.storacha.network',
           // @ts-expect-error
           consumer: 'did:mailto:storacha.network:user',
         },
@@ -166,7 +166,7 @@ describe('provider/add', function () {
         with: bobAccount.did(),
         // @ts-expect-error - missing provider
         nb: {
-          // provider: 'did:web:test.upload.storacha.network',
+          // provider: 'did:web:test.up.storacha.network',
           consumer: bob.did(),
         },
       })
@@ -197,7 +197,7 @@ describe('provider/add', function () {
       audience: service,
       with: account,
       nb: {
-        provider: 'did:web:test.upload.storacha.network',
+        provider: 'did:web:test.up.storacha.network',
         consumer: space.did(),
       },
       proofs: [
@@ -206,7 +206,7 @@ describe('provider/add', function () {
           audience: bob,
           with: account,
           nb: {
-            provider: 'did:web:test.upload.storacha.network',
+            provider: 'did:web:test.up.storacha.network',
             consumer: space.did(),
           },
           proofs: await createAuthorization({ agent, service, account }),
@@ -233,7 +233,7 @@ describe('provider/add', function () {
       audience: service,
       with: account,
       nb: {
-        provider: 'did:web:test.upload.storacha.network',
+        provider: 'did:web:test.up.storacha.network',
         consumer: space.did(),
       },
       proofs: [
@@ -242,7 +242,7 @@ describe('provider/add', function () {
           audience: bob,
           with: account,
           nb: {
-            provider: 'did:web:test.upload.storacha.network',
+            provider: 'did:web:test.up.storacha.network',
           },
           proofs: await createAuthorization({ agent, service, account }),
         }),
@@ -268,7 +268,7 @@ describe('provider/add', function () {
       audience: service,
       with: account,
       nb: {
-        provider: 'did:web:test.upload.storacha.network',
+        provider: 'did:web:test.up.storacha.network',
         consumer: space.did(),
       },
       proofs: [
@@ -303,7 +303,7 @@ describe('provider/add', function () {
       audience: service,
       with: account,
       nb: {
-        provider: 'did:web:test.upload.storacha.network',
+        provider: 'did:web:test.up.storacha.network',
         consumer: bob.did(),
       },
       proofs: [
@@ -338,7 +338,7 @@ describe('provider/add', function () {
       audience: service,
       with: account,
       nb: {
-        provider: 'did:web:test.upload.storacha.network',
+        provider: 'did:web:test.up.storacha.network',
         consumer: bob.did(),
       },
       proofs: [
@@ -379,7 +379,7 @@ describe('provider/add', function () {
       audience: service,
       with: 'did:mailto:mallory.com:bob',
       nb: {
-        provider: 'did:web:test.upload.storacha.network',
+        provider: 'did:web:test.up.storacha.network',
         consumer: bob.did(),
       },
       proofs: [
@@ -428,7 +428,7 @@ describe('provider/add', function () {
           with: account.did(),
           nb: {
             consumer: space.did(),
-            provider: 'did:web:test.upload.storacha.network',
+            provider: 'did:web:test.up.storacha.network',
           },
           // NOTE: no proofs!
         })
diff --git a/packages/capabilities/test/helpers/fixtures.js b/packages/capabilities/test/helpers/fixtures.js
index 11bbd15b..29d4c249 100644
--- a/packages/capabilities/test/helpers/fixtures.js
+++ b/packages/capabilities/test/helpers/fixtures.js
@@ -31,7 +31,7 @@ export const malloryAccount = Absentee.from({
 
 export const service = Signer.parse(
   'MgCYKXoHVy7Vk4/QjcEGi+MCqjntUiasxXJ8uJKY0qh11e+0Bs8WsdqGK7xothgrDzzWD0ME7ynPjz2okXDh8537lId8='
-).withDID('did:web:test.upload.storacha.network')
+).withDID('did:web:test.up.storacha.network')
 
 export const readmeCID = parseLink(
   'bafybeihqfdg2ereoijjoyrqzr2x2wsasqm2udurforw7pa3tvbnxhojao4'
diff --git a/packages/cli/CHANGELOG.md b/packages/cli/CHANGELOG.md
index 4c77ee81..2bb6fcc8 100644
--- a/packages/cli/CHANGELOG.md
+++ b/packages/cli/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.1.2](https://github.com/storacha/upload-service/compare/cli-v1.1.1...cli-v1.1.2) (2025-02-11)
+
+
+### Fixes
+
+* use up.storacha.network ([#144](https://github.com/storacha/upload-service/issues/144)) ([ac6b5b4](https://github.com/storacha/upload-service/commit/ac6b5b4b9881f9889e99e18b38fbfb302b4fb3b5))
+
 ## [1.1.1](https://github.com/storacha/upload-service/compare/cli-v1.1.0...cli-v1.1.1) (2025-01-22)
 
 
diff --git a/packages/cli/README.md b/packages/cli/README.md
index 22f4aa53..9071b7f4 100644
--- a/packages/cli/README.md
+++ b/packages/cli/README.md
@@ -271,23 +271,23 @@ Default `storacha-cli`
 
 ### `STORACHA_SERVICE_URL`
 
-`storacha` CLI will use the w3up service at https://upload.storacha.network. If you would like
+`storacha` CLI will use the w3up service at https://up.storacha.network. If you would like
 to use a different w3up-compatible service, set `STORACHA_SERVICE_DID` and `STORACHA_SERVICE_URL` environment variables to set the service DID and URL endpoint.
 
-Default `https://upload.storacha.network`
+Default `https://up.storacha.network`
 
 ### `STORACHA_SERVICE_DID`
 
-`storacha` CLI will use the w3up `did:web:upload.storacha.network` as the service DID. If you would like
+`storacha` CLI will use the w3up `did:web:up.storacha.network` as the service DID. If you would like
 to use a different w3up-compatible service, set `STORACHA_SERVICE_DID` and `STORACHA_SERVICE_URL` environment variables to set the service DID and URL endpoint.
 
-Default `did:web:upload.storacha.network`
+Default `did:web:up.storacha.network`
 
 ### `STORACHA_RECEIPTS_URL`
 
 The URL at which UCAN receipts issued by the service may be fetched.
 
-Default `https://upload.storacha.network/receipt/`
+Default `https://up.storacha.network/receipt/`
 
 ## FAQ
 
diff --git a/packages/cli/package.json b/packages/cli/package.json
index 45d6e63e..860f4db3 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@storacha/cli",
   "type": "module",
-  "version": "1.1.1",
+  "version": "1.1.2",
   "license": "Apache-2.0 OR MIT",
   "description": "Command Line Interface to the Storacha Network",
   "bin": {
diff --git a/packages/cli/test/bin.spec.js b/packages/cli/test/bin.spec.js
index 471571c8..4c5e9eb4 100644
--- a/packages/cli/test/bin.spec.js
+++ b/packages/cli/test/bin.spec.js
@@ -607,7 +607,7 @@ export const testSpace = {
     })
 
     /** @type {import('@storacha/client/types').DID<'web'>} */
-    const providerDID = 'did:web:test.upload.storacha.network'
+    const providerDID = 'did:web:test.up.storacha.network'
 
     const infoWithoutProvider = await storacha
       .args(['space', 'info'])
diff --git a/packages/filecoin-api/CHANGELOG.md b/packages/filecoin-api/CHANGELOG.md
index 2dfa68bb..a613c69e 100644
--- a/packages/filecoin-api/CHANGELOG.md
+++ b/packages/filecoin-api/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.1.2](https://github.com/storacha/upload-service/compare/filecoin-api-v1.1.1...filecoin-api-v1.1.2) (2025-02-11)
+
+
+### Fixes
+
+* use up.storacha.network ([#144](https://github.com/storacha/upload-service/issues/144)) ([ac6b5b4](https://github.com/storacha/upload-service/commit/ac6b5b4b9881f9889e99e18b38fbfb302b4fb3b5))
+
 ## [1.1.1](https://github.com/storacha/upload-service/compare/filecoin-api-v1.1.0...filecoin-api-v1.1.1) (2025-01-22)
 
 
diff --git a/packages/filecoin-api/package.json b/packages/filecoin-api/package.json
index a4b87d68..4847433a 100644
--- a/packages/filecoin-api/package.json
+++ b/packages/filecoin-api/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storacha/filecoin-api",
-  "version": "1.1.1",
+  "version": "1.1.2",
   "type": "module",
   "main": "./src/lib.js",
   "homepage": "https://storacha.network",
diff --git a/packages/upload-api/CHANGELOG.md b/packages/upload-api/CHANGELOG.md
index 4b416456..c955af46 100644
--- a/packages/upload-api/CHANGELOG.md
+++ b/packages/upload-api/CHANGELOG.md
@@ -1,5 +1,21 @@
 # Changelog
 
+## [1.3.4](https://github.com/storacha/upload-service/compare/upload-api-v1.3.3...upload-api-v1.3.4) (2025-02-11)
+
+
+### Fixes
+
+* store w3s accept invocation ([#142](https://github.com/storacha/upload-service/issues/142)) ([e0c509d](https://github.com/storacha/upload-service/commit/e0c509dec75386e3275abaca1e94c4de0ccefacd))
+* use up.storacha.network ([#144](https://github.com/storacha/upload-service/issues/144)) ([ac6b5b4](https://github.com/storacha/upload-service/commit/ac6b5b4b9881f9889e99e18b38fbfb302b4fb3b5))
+
+## [1.3.3](https://github.com/storacha/upload-service/compare/upload-api-v1.3.2...upload-api-v1.3.3) (2025-01-29)
+
+
+### Other Changes
+
+* **upload-api:** add comment for clarity ([c678bde](https://github.com/storacha/upload-service/commit/c678bde352ba44e9f320f731411705b2233e83ee))
+* **upload-api:** refactor(blob-registry): pass cause as a parameter to deregister ([632348d](https://github.com/storacha/upload-service/commit/632348d1529808f67873f332c695a504ca5bd7c4))
+
 ## [1.3.2](https://github.com/storacha/upload-service/compare/upload-api-v1.3.1...upload-api-v1.3.2) (2025-01-22)
 
 
diff --git a/packages/upload-api/package.json b/packages/upload-api/package.json
index 877f8de7..f0ae4982 100644
--- a/packages/upload-api/package.json
+++ b/packages/upload-api/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@storacha/upload-api",
   "description": "The upload api for storacha.network",
-  "version": "1.3.2",
+  "version": "1.3.4",
   "type": "module",
   "main": "./src/lib.js",
   "homepage": "https://storacha.network",
diff --git a/packages/upload-api/src/blob/accept.js b/packages/upload-api/src/blob/accept.js
index fde33d0b..f1435da0 100644
--- a/packages/upload-api/src/blob/accept.js
+++ b/packages/upload-api/src/blob/accept.js
@@ -99,6 +99,7 @@ export const poll = async (context, receipt) => {
       space: /** @type {API.DIDKey} */ (DID.decode(allocate.nb.space).did()),
       _put: { 'ucan/await': ['.out.ok', receipt.ran.link()] },
     },
+    expiration: Infinity,
   })
   const w3sAcceptTask = await w3sAccept.delegate()
   const w3sAcceptReceipt = await Receipt.issue({
@@ -110,7 +111,7 @@ export const poll = async (context, receipt) => {
 
   // record the invocation and the receipt
   const message = await Message.build({
-    invocations: [configure.ok.invocation],
+    invocations: [configure.ok.invocation, w3sAcceptTask],
     receipts: [acceptReceipt, w3sAcceptReceipt],
   })
   const messageWrite = await context.agentStore.messages.write({
diff --git a/packages/upload-api/src/blob/add.js b/packages/upload-api/src/blob/add.js
index 99850996..8a9b462d 100644
--- a/packages/upload-api/src/blob/add.js
+++ b/packages/upload-api/src/blob/add.js
@@ -69,7 +69,8 @@ export function blobAddProvider(context) {
         provider: allocation.ok.provider,
         blob,
         space,
-        delivery: delivery,
+        cause: invocation.link(),
+        delivery,
       })
       if (acceptance.error) {
         return acceptance
@@ -79,7 +80,7 @@ export function blobAddProvider(context) {
         context,
         blob,
         space,
-        delivery: delivery,
+        delivery,
         acceptance: acceptance.ok,
       })
 
@@ -248,7 +249,7 @@ async function allocateW3s({ context, blob, space, cause, receipt }) {
  * @param {object} put
  * @param {API.BlobModel} put.blob
  * @param {object} put.allocation
- * @param {API.Receipt<API.BlobAllocateSuccess, API.BlobAcceptFailure>} put.allocation.receipt
+ * @param {API.Receipt<API.BlobAllocateSuccess, API.BlobAllocateFailure>} put.allocation.receipt
  */
 async function put({ blob, allocation: { receipt: allocationReceipt } }) {
   // Derive the principal that will provide the blob from the blob digest.
@@ -327,6 +328,7 @@ async function put({ blob, allocation: { receipt: allocationReceipt } }) {
  * @param {API.Principal} input.provider
  * @param {API.BlobModel} input.blob
  * @param {API.DIDKey} input.space
+ * @param {API.Link} input.cause Original `space/blob/add` invocation.
  * @param {object} input.delivery
  * @param {API.Invocation<API.HTTPPut>} input.delivery.task
  * @param {API.Receipt|null} input.delivery.receipt
@@ -336,6 +338,7 @@ async function accept({
   provider,
   blob,
   space,
+  cause,
   delivery: { task: deliveryTask, receipt: deliveryReceipt },
 }) {
   // 1. Create blob/accept invocation and task
@@ -376,6 +379,32 @@ async function accept({
   // If put has already succeeded, we can execute `blob/accept` right away.
   else if (deliveryReceipt?.out.ok) {
     receipt = await configure.ok.invocation.execute(configure.ok.connection)
+
+    // record the invocation and the receipt
+    const message = await Message.build({
+      invocations: [configure.ok.invocation],
+      receipts: [receipt],
+    })
+    const messageWrite = await context.agentStore.messages.write({
+      source: await Transport.outbound.encode(message),
+      data: message,
+      index: [...AgentMessage.index(message)],
+    })
+    if (messageWrite.error) {
+      return messageWrite
+    }
+
+    const register = await context.registry.register({
+      space,
+      cause,
+      blob: { digest: Digest.decode(blob.digest), size: blob.size },
+    })
+    if (register.error) {
+      // it's ok if there's already a registration of this blob in this space
+      if (register.error.name !== 'EntryExists') {
+        return register
+      }
+    }
   }
 
   return Server.ok({
@@ -419,6 +448,7 @@ async function acceptW3s({
       space,
       _put: { 'ucan/await': ['.out.ok', deliveryTask.link()] },
     },
+    expiration: Infinity,
   })
   const w3sAcceptTask = await w3sAccept.delegate()
 
@@ -444,6 +474,7 @@ async function acceptW3s({
       issuer: context.id,
       ran: w3sAcceptTask,
       result: acceptanceReceipt.out,
+      fx: acceptanceReceipt.fx,
     })
   }
 
diff --git a/packages/upload-api/src/blob/remove.js b/packages/upload-api/src/blob/remove.js
index e806bc5d..81ef7159 100644
--- a/packages/upload-api/src/blob/remove.js
+++ b/packages/upload-api/src/blob/remove.js
@@ -8,27 +8,34 @@ import * as API from '../types.js'
  * @returns {API.ServiceMethod<API.SpaceBlobRemove, API.SpaceBlobRemoveSuccess, API.SpaceBlobRemoveFailure>}
  */
 export function blobRemoveProvider(context) {
-  return Server.provide(SpaceBlob.remove, async ({ capability }) => {
-    const space = capability.with
-    const digest = Digest.decode(capability.nb.digest)
+  return Server.provide(
+    SpaceBlob.remove,
+    async ({ capability, invocation }) => {
+      const space = capability.with
+      const digest = Digest.decode(capability.nb.digest)
 
-    const exists = await context.registry.find(space, digest)
-    if (exists.error) {
-      if (exists.error.name === 'EntryNotFound') {
-        return Server.ok({ size: 0 })
+      const exists = await context.registry.find(space, digest)
+      if (exists.error) {
+        if (exists.error.name === 'EntryNotFound') {
+          return Server.ok({ size: 0 })
+        }
+        return exists
       }
-      return exists
-    }
 
-    const dereg = await context.registry.deregister(space, digest)
-    if (dereg.error) {
-      // unlikely as we just found it...but possible I guess
-      if (dereg.error.name === 'EntryNotFound') {
-        return Server.ok({ size: 0 })
+      const dereg = await context.registry.deregister({
+        space,
+        digest,
+        cause: invocation.link(),
+      })
+      if (dereg.error) {
+        // unlikely as we just found it...but possible I guess
+        if (dereg.error.name === 'EntryNotFound') {
+          return Server.ok({ size: 0 })
+        }
+        return dereg
       }
-      return dereg
-    }
 
-    return Server.ok({ size: exists.ok?.blob.size })
-  })
+      return Server.ok({ size: exists.ok?.blob.size })
+    }
+  )
 }
diff --git a/packages/upload-api/src/types/blob.ts b/packages/upload-api/src/types/blob.ts
index ee97d251..75bc7882 100644
--- a/packages/upload-api/src/types/blob.ts
+++ b/packages/upload-api/src/types/blob.ts
@@ -60,10 +60,7 @@ export interface Registry {
     options?: ListOptions
   ) => Promise<Result<ListResponse<Entry>, Failure>>
   /** Removes an item from the registry if it exists. */
-  deregister: (
-    space: SpaceDID,
-    digest: MultihashDigest
-  ) => Promise<Result<Unit, EntryNotFound>>
+  deregister: (item: DeregistrationData) => Promise<Result<Unit, EntryNotFound>>
 }
 
 export interface ListOptions {
@@ -76,6 +73,12 @@ export interface BlobModel {
   size: number
 }
 
+export interface DeregistrationData {
+  space: SpaceDID
+  digest: MultihashDigest
+  cause: Link
+}
+
 export interface RegistrationData {
   space: SpaceDID
   cause: Link
diff --git a/packages/upload-api/test/handlers/plan.js b/packages/upload-api/test/handlers/plan.js
index a18c197e..d3d817d7 100644
--- a/packages/upload-api/test/handlers/plan.js
+++ b/packages/upload-api/test/handlers/plan.js
@@ -12,7 +12,7 @@ export const test = {
   'an account can get plan information': async (assert, context) => {
     const account = 'did:mailto:example.com:alice'
     const billingID = 'stripe:abc123'
-    const product = 'did:web:test.upload.storacha.network'
+    const product = 'did:web:test.up.storacha.network'
     await context.plansStorage.initialize(account, billingID, product)
     const connection = connect({
       id: context.id,
diff --git a/packages/upload-api/test/helpers/context.js b/packages/upload-api/test/helpers/context.js
index 16a090ef..60cd05d3 100644
--- a/packages/upload-api/test/helpers/context.js
+++ b/packages/upload-api/test/helpers/context.js
@@ -29,7 +29,7 @@ export const createContext = async (
   const signer = await Signer.generate()
   const aggregatorSigner = await Signer.generate()
   const dealTrackerSigner = await Signer.generate()
-  const id = signer.withDID('did:web:test.upload.storacha.network')
+  const id = signer.withDID('did:web:test.up.storacha.network')
 
   const service = getMockService()
   const dealTrackerConnection = getConnection(
diff --git a/packages/upload-api/test/storage/blob-registry-tests.js b/packages/upload-api/test/storage/blob-registry-tests.js
index 13d95efa..79d5aae7 100644
--- a/packages/upload-api/test/storage/blob-registry-tests.js
+++ b/packages/upload-api/test/storage/blob-registry-tests.js
@@ -137,7 +137,8 @@ export const test = {
     const { registry } = context
     const data = new Uint8Array([11, 22, 34, 44, 55])
     const digest = await sha256.digest(data)
-    const dereg = await registry.deregister(space, digest)
+    const cause = await randomCID()
+    const dereg = await registry.deregister({ space, digest, cause })
     assert.ok(dereg.error)
     assert.equal(dereg.error?.name, EntryNotFound.name)
   },
@@ -155,7 +156,12 @@ export const test = {
     const find0 = await registry.find(space, digest)
     assert.ok(find0.ok)
 
-    const dereg = await registry.deregister(space, digest)
+    const deregCause = await randomCID()
+    const dereg = await registry.deregister({
+      space,
+      digest,
+      cause: deregCause,
+    })
     assert.ok(dereg.ok)
 
     const find1 = await registry.find(space, digest)
diff --git a/packages/upload-api/test/storage/blob-registry.js b/packages/upload-api/test/storage/blob-registry.js
index a843aea2..2961856a 100644
--- a/packages/upload-api/test/storage/blob-registry.js
+++ b/packages/upload-api/test/storage/blob-registry.js
@@ -29,7 +29,8 @@ export class Registry {
   }
 
   /** @type {API.BlobAPI.Registry['deregister']} */
-  async deregister(space, digest) {
+  async deregister({ space, digest, cause }) {
+    // `cause` is unused in this function but required in production for recording the space usage delta.
     const entries = this.data.get(space) ?? []
     const entry = entries.find((e) => equals(e.blob.digest.bytes, digest.bytes))
     if (!entry) return error(new EntryNotFound())
diff --git a/packages/upload-api/test/storage/provisions-storage.js b/packages/upload-api/test/storage/provisions-storage.js
index 169513b1..9420548c 100644
--- a/packages/upload-api/test/storage/provisions-storage.js
+++ b/packages/upload-api/test/storage/provisions-storage.js
@@ -16,7 +16,7 @@ export class ProvisionsStorage {
    *
    * @param {Array<Types.ServiceDID | string>} providers
    */
-  constructor(providers = ['did:web:test.upload.storacha.network']) {
+  constructor(providers = ['did:web:test.up.storacha.network']) {
     /**
      * @type {Record<string, Types.Provision>}
      */
diff --git a/packages/upload-api/test/util.js b/packages/upload-api/test/util.js
index 3530eef6..3830924c 100644
--- a/packages/upload-api/test/util.js
+++ b/packages/upload-api/test/util.js
@@ -29,7 +29,7 @@ export const service = ed25519
   .parse(
     'MgCYKXoHVy7Vk4/QjcEGi+MCqjntUiasxXJ8uJKY0qh11e+0Bs8WsdqGK7xothgrDzzWD0ME7ynPjz2okXDh8537lId8='
   )
-  .withDID('did:web:test.upload.storacha.network')
+  .withDID('did:web:test.up.storacha.network')
 
 /**
  * @param {import('@ucanto/interface').Principal} audience
diff --git a/packages/upload-client/CHANGELOG.md b/packages/upload-client/CHANGELOG.md
index 803e29bc..d172a85f 100644
--- a/packages/upload-client/CHANGELOG.md
+++ b/packages/upload-client/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [1.0.5](https://github.com/storacha/upload-service/compare/upload-client-v1.0.4...upload-client-v1.0.5) (2025-02-11)
+
+
+### Fixes
+
+* use correct object in cause ([#140](https://github.com/storacha/upload-service/issues/140)) ([372f839](https://github.com/storacha/upload-service/commit/372f8391e3385cc7f810d31e6de852d6d1100688))
+* use up.storacha.network ([#144](https://github.com/storacha/upload-service/issues/144)) ([ac6b5b4](https://github.com/storacha/upload-service/commit/ac6b5b4b9881f9889e99e18b38fbfb302b4fb3b5))
+
 ## [1.0.4](https://github.com/storacha/upload-service/compare/upload-client-v1.0.3...upload-client-v1.0.4) (2025-01-22)
 
 
diff --git a/packages/upload-client/package.json b/packages/upload-client/package.json
index 76cd1dd5..eff91c02 100644
--- a/packages/upload-client/package.json
+++ b/packages/upload-client/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storacha/upload-client",
-  "version": "1.0.4",
+  "version": "1.0.5",
   "description": "The storacha.network upload client",
   "homepage": "https://storacha.network",
   "repository": {
diff --git a/packages/upload-client/src/blob/add.js b/packages/upload-client/src/blob/add.js
index f60fccf3..1f0321bd 100644
--- a/packages/upload-client/src/blob/add.js
+++ b/packages/upload-client/src/blob/add.js
@@ -297,7 +297,7 @@ export async function add(
       throw new Error(
         `failed ${UCAN.conclude.can} for ${HTTPCapabilities.put.can} invocation`,
         {
-          cause: result.out.error,
+          cause: ucanConclude.out.error,
         }
       )
     }
diff --git a/packages/upload-client/src/service.js b/packages/upload-client/src/service.js
index ca8f27b8..ce73a749 100644
--- a/packages/upload-client/src/service.js
+++ b/packages/upload-client/src/service.js
@@ -2,9 +2,9 @@ import { connect } from '@ucanto/client'
 import { CAR, HTTP } from '@ucanto/transport'
 import * as DID from '@ipld/dag-ucan/did'
 
-export const serviceURL = new URL('https://upload.storacha.network')
-export const servicePrincipal = DID.parse('did:web:upload.storacha.network')
-export const receiptsEndpoint = 'https://upload.storacha.network/receipt/'
+export const serviceURL = new URL('https://up.storacha.network')
+export const servicePrincipal = DID.parse('did:web:up.storacha.network')
+export const receiptsEndpoint = 'https://up.storacha.network/receipt/'
 
 /** @type {import('@ucanto/interface').ConnectionView<import('./types.js').Service>} */
 export const connection = connect({
diff --git a/packages/w3up-client/CHANGELOG.md b/packages/w3up-client/CHANGELOG.md
index cc01577c..c80f7bc9 100644
--- a/packages/w3up-client/CHANGELOG.md
+++ b/packages/w3up-client/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.1.5](https://github.com/storacha/upload-service/compare/client-v1.1.4...client-v1.1.5) (2025-02-11)
+
+
+### Fixes
+
+* use up.storacha.network ([#144](https://github.com/storacha/upload-service/issues/144)) ([ac6b5b4](https://github.com/storacha/upload-service/commit/ac6b5b4b9881f9889e99e18b38fbfb302b4fb3b5))
+
 ## [1.1.4](https://github.com/storacha/upload-service/compare/client-v1.1.3...client-v1.1.4) (2025-01-22)
 
 
diff --git a/packages/w3up-client/package.json b/packages/w3up-client/package.json
index d22b6e31..e9c29f18 100644
--- a/packages/w3up-client/package.json
+++ b/packages/w3up-client/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@storacha/client",
-  "version": "1.1.4",
+  "version": "1.1.5",
   "description": "Client for the storacha.network w3up api",
   "license": "Apache-2.0 OR MIT",
   "type": "module",
diff --git a/packages/w3up-client/src/service.js b/packages/w3up-client/src/service.js
index 41bdec60..e0ae1de1 100644
--- a/packages/w3up-client/src/service.js
+++ b/packages/w3up-client/src/service.js
@@ -3,10 +3,8 @@ import { CAR, HTTP } from '@ucanto/transport'
 import * as DID from '@ipld/dag-ucan/did'
 import { receiptsEndpoint } from '@storacha/upload-client'
 
-export const accessServiceURL = new URL('https://upload.storacha.network')
-export const accessServicePrincipal = DID.parse(
-  'did:web:upload.storacha.network'
-)
+export const accessServiceURL = new URL('https://up.storacha.network')
+export const accessServicePrincipal = DID.parse('did:web:up.storacha.network')
 
 export const accessServiceConnection = client.connect({
   id: accessServicePrincipal,
@@ -14,10 +12,8 @@ export const accessServiceConnection = client.connect({
   channel: HTTP.open({ url: accessServiceURL, method: 'POST' }),
 })
 
-export const uploadServiceURL = new URL('https://upload.storacha.network')
-export const uploadServicePrincipal = DID.parse(
-  'did:web:upload.storacha.network'
-)
+export const uploadServiceURL = new URL('https://up.storacha.network')
+export const uploadServicePrincipal = DID.parse('did:web:up.storacha.network')
 
 export const uploadServiceConnection = client.connect({
   id: uploadServicePrincipal,
@@ -25,10 +21,8 @@ export const uploadServiceConnection = client.connect({
   channel: HTTP.open({ url: accessServiceURL, method: 'POST' }),
 })
 
-export const filecoinServiceURL = new URL('https://upload.storacha.network')
-export const filecoinServicePrincipal = DID.parse(
-  'did:web:upload.storacha.network'
-)
+export const filecoinServiceURL = new URL('https://up.storacha.network')
+export const filecoinServicePrincipal = DID.parse('did:web:up.storacha.network')
 
 export const filecoinServiceConnection = client.connect({
   id: filecoinServicePrincipal,
diff --git a/packages/w3up-client/test/client.test.js b/packages/w3up-client/test/client.test.js
index e7f8873b..d6c89c50 100644
--- a/packages/w3up-client/test/client.test.js
+++ b/packages/w3up-client/test/client.test.js
@@ -834,7 +834,7 @@ export const testClient = {
   defaultProvider: {
     'should return the connection ID': async (assert) => {
       const alice = new Client(await AgentData.create())
-      assert.equal(alice.defaultProvider(), 'did:web:upload.storacha.network')
+      assert.equal(alice.defaultProvider(), 'did:web:up.storacha.network')
     },
   },
 
diff --git a/packages/w3up-client/test/coupon.test.js b/packages/w3up-client/test/coupon.test.js
index c5cefb70..7156696a 100644
--- a/packages/w3up-client/test/coupon.test.js
+++ b/packages/w3up-client/test/coupon.test.js
@@ -16,10 +16,7 @@ export const testCoupon = Test.withContext({
     const account = await login
 
     // Then we setup a billing for this account
-    await plansStorage.set(
-      account.did(),
-      'did:web:test.upload.storacha.network'
-    )
+    await plansStorage.set(account.did(), 'did:web:test.up.storacha.network')
 
     // Then we use the account to issue a coupon for the workshop
     const coupon = await client.coupon.issue({
@@ -50,7 +47,7 @@ export const testCoupon = Test.withContext({
 
     const info = await alice.capability.space.info(space.did())
     assert.deepEqual(info.did, space.did())
-    assert.deepEqual(info.providers, ['did:web:test.upload.storacha.network'])
+    assert.deepEqual(info.providers, ['did:web:test.up.storacha.network'])
   },
 
   'coupon with password': async (
diff --git a/scripts/mkdelegate.js b/scripts/mkdelegate.js
index fb1f2ba1..f5dc7563 100644
--- a/scripts/mkdelegate.js
+++ b/scripts/mkdelegate.js
@@ -12,7 +12,7 @@ import { base64 } from 'multiformats/bases/base64'
 import * as DID from '@ipld/dag-ucan/did'
 
 const indexingServiceDID = 'did:web:staging.indexer.storacha.network'
-const uploadServiceDID = 'did:web:staging.upload.storacha.network'
+const uploadServiceDID = 'did:web:staging.up.storacha.network'
 const storageProviderDID = 'did:key:...'
 
 if (!process.argv[2]) {