Cann may refer to: Cann (surname), a list of people with the name Cann River, a river of Victoria, Australia Cann, Dorset, a village in England Cann baronets, a former baronetcy CANN (Compute Archite
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51b0fa9e14a503939dd93cab8a52a0085a77a1442f4a8c05945662f99d1220d6. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bf988fc8-0473-45dd-a15f-2ba5e61f2712.json and https://artists.proofprofile.net/proofs/artist/bf988fc8-0473-45dd-a15f-2ba5e61f2712.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd454a9fd9457468be5d9cd9529e69a60e33d69c1466a78ffdfb377b6814223ce. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLFP1849938.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x269f89c6dc0efb30f23b85bac72867b3d1e54937a526e0f56472b33ca0269e37. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLFP1849877.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x903ef4693a3d85f23178de85ced483368f67b8627be443c68fe37479478a2f77. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLFP1849884.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffa2f16508eb748b0caf3031124059060fb178f88ad900a816dc141008af6e61. Chain 2 (Bitcoin): anchored in block 958325 (2026-07-16T23:58:53Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLFP1849885.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd256da95544bbc1593bca0131604eca985d1d3bbf4bcdfdb02a2e597ee1ba400. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLFP1849898.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66d1b3983cdcb0dc9cf21afe99679bdc76998bb41a29b15ada0d0af7be5eb12e. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMA21917642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80b0262bb1d20c09e9a11c92d85726b59be1f64f1d62931cf9b5fe4f56653c72. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR96X2134298.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb99d7c1905ce51cae1f50341c9e890a648e6f7e38908ca0b5bfe9df0daddbe3e. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82000011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x931f652534ee195e127a4f73bec7e2d2682adf248742660b897cbc21a2ad4329. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82000013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1356e0103f23a3500d27e5684a3981e4b7640f396ae769e8c2329f22f660b69d. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82000015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0365cc4505d53c3e0c879196491bead9c42d00b9d7449ba1d4c7f0a5f02669c. Chain 2 (Bitcoin): anchored in block 958197 (2026-07-15T23:34:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82000017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdcfa627e7666656ca6898183da630ebd291c5988a236df61bc66ece26d93089. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLFP1933176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f64dff0f7c1640e8ae783be38be89c9fed39d426b3511f129be7ce47fb407f8. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82100021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1e9eabbede308a1dbe3cb2386f334ac91751ee815a9b91b2a7fcd7bfee7d1c7. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLFP2073138.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa8763647006237407af6450651067b77109fe0f98a185817c75901d17ed2d84. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82100023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c71dabb486018b10a15a17c5bd7bc2465f5a02ca6b699dc1f3484e7ab8511ac. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82100024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93b935368107f8635c553e3efc097f9530b7a81c78d80bb880494ab59ed3b941. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82100025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5567afb1c6af99a103da9a1af160c9d5c4758df439da8200e3a743b344fba867. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82100026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5a728c72c5cf6931c9b1a23375531cac5ab9eacbba18740e84257e6ee341dd2. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82100027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x046457c568251f705d169b3fe41bfecbdf013eba6cd325dee5981ec57d6193b1. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82100028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0eb6a5b5997b911f5321d36c3b39b3d5e330ac7c9209900364675c210cdaa64a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82100029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa91b6719f82ff0f4a48d4d809bf19977d1931b3b2ff35801673993dbd9d948ac. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82100030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddd6e09eb0b1fb43a734b4ee711806ce4c199b9a8a8587d8c3a478dfca3eb45b. Chain 2 (Bitcoin): anchored in block 957919 (2026-07-13T23:58:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82200031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82f039f138406f8d3feeff680726dd453bde44c351cffa33d4034ac1cd711322. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82300034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1f092de2248f699ab37ced7e033a72590f92704535bf4e96a55307af515863d. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82300036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x141fd875fa0cd8f4314bab53d95c6c2ae55834eeece5eda95e1d8be93148e665. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T23:01:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82300038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeebda1f3247a03869c9b0da8a88068694e0ab6e7bb29e5c3a4a9ba1a862214d9. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82300040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05de6116a21020701d58a4fe305bc897fb1386a4e1df9de77de40d350854987d. Chain 2 (Bitcoin): anchored in block 958303 (2026-07-16T16:39:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82300041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdbe01c8049ede8edc10ac5a149b21100f11045ce8cbed0034d308cb6b737e8a. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82300042.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2c1bd6a2e4c16d88dfbfee8fc447968d7b36d35f0d31ddbda135958b1f5b7dc. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82300044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff3ebbb17f873dcd819c9d1dc4b8bd0f8c24ff68e412195f2d27f26bcc74a521. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82300049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x670b9520affd6694077f2623a0793433633e61157d95591ceb5b76a0eb8dff74. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82300046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6830596eebf9563a073743e9a73ebc436ae663379410b05f9a3a20bd239f2a0c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82300045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff3ebbb17f873dcd819c9d1dc4b8bd0f8c24ff68e412195f2d27f26bcc74a521. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82300049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe906f8e8612e147effffdc3b454e54e7508d43ff2f87ac67dea28c7a50be20a9. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82300048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x670b9520affd6694077f2623a0793433633e61157d95591ceb5b76a0eb8dff74. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82300046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf53d5b6255daf5ceb4169d899491b6b52aeb658a9cc4748bc93e36a9f5499267. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82300047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eb5280bb444720c36615c92119e0516a624955a043007af691779e682c9a3e7. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82300050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa45a773219df600e15cfce2adf22d173dbaf39dc7920fc4803c45fc561b2dc9c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82300051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c3c15cda468da8b2de14f1c1fd0cec962dc0a4d0d730987ee3ebeaae88966be. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82300052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12734d238ce5aecf9b99bb1d7ae611f8ca7af71742850de21a4217b9593203b0. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZAM82500054.