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 0x0719445d302b9c29848634b964f6576908a0e6fa12cb2b7d091aa0dba527b09a. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7d69897a-c2a0-481d-ad57-79d3c88c697e.json and https://artists.proofprofile.net/proofs/artist/7d69897a-c2a0-481d-ad57-79d3c88c697e.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 0xcd66206c1dcc7a26f9decf1fc30fadae44c23101793f0edc872c69fe353de0fe. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/GBAHS0800300.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48df424c1ca55537e11860db6d387821f9418336ca6fb337b69dd4bb8ddd163d. 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/GBAHS0800302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5577d00d8111aaf244aacae2a2c0ab659b863cf655c72d004d9fca0e0d857961. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/GBAHS0800294.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82d5c3edb50e5175d0ec4f5790a04d5870fc2fe36aa98c48faee32fe000f6f6a. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/GBAHS0800295.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6eec2d1999dcc1c93876f5abab258dbbfc6fa0e2de517d4bce5a6ae42af65955. 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/GBAHS0800296.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1413d049eab179e6dc0eceb572fa9d8ad23e0408fb09c97ebb90bbe122a91e2. 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/GBAHS0800298.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90f9bce39c2f4e21e53b8071560c0d917b438b09aadafc9f935b825aaf3e81d7. Chain 2 (Bitcoin): anchored in block 958633 (2026-07-19T00:54:50Z), 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/GBAHS0800299.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bbd68bf084c2e50eb168da161f4fadf93940223adba2d9f01ab999713a6faa3. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/GBQF81200002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a6fbb37dace0e85a95877914bb8f742dd66d7a5598e1c983eecbd85899f7893. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/GBQF81200004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cd86a1deb0443a73f77d5982a979ab65df5c95a87f3f39672295fefdfef0424. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/GBQF81200006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa295c3bf7e07d9da008e827bdec43dbd6343193a6cd3f7688f70e396fc828e64. 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/FR10S1604663.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f58f3c2e9cc4e346e2ce9d5527664e78968b1baaad7d7b238b1e43341f776a9. Chain 2 (Bitcoin): anchored in block 958721 (2026-07-19T11:02:33Z), 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/FR10S1604664.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8ddf2d60c948055d8a866e87882266a05e325de7a627808880228e6a3a19b0e. 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/FR10S1604665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x037f884f5134615aa3a678487b1af5dcc23c20e5b3caa346aace6e935546b2e2. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/FR10S1604669.
Man Like I&I (Special 10th Anniversary Edition)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x119ca3233847475b463096dab686d2fe87605ae0a1ed6baf098af4431461c87a. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/FR59R1883246.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x760ce75b952a0c4c761d4790724f906450cb44348a2d7fa76a635824661f774d. 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/FR59R1876294.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15818c9ec7be3a561d84ae5dc0f96b8f3bc40ac820eb56e6a6b147b7c662f510. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/FR59R1883251.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b8bcee0e78236f3935d92b4064ee737eb1556be5246ca5911474d5f618fbbd0. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/FR59R1814629.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfae03460e61fa21f58bd619074c52a436fe603e07ab8d022e0cb99e841974f6c. 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/UKHAU1900264.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x163b62883f0ed927b8535f0dcf3097edd071a75ce35b6efa0e1cb42695a28375. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/GBGLW2400790.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf5b97025358de270c87a7163c827cc0ca0362756e4553cc8079033221d6a7e5. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), 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/GBGLW2400791.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10e4fe61c04fa8e42733b5bc9b8415d497d61a3c08fa52dbec8a942db38812f0. Chain 2 (Bitcoin): anchored in block 958827 (2026-07-20T07:38:11Z), 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/GBGLW2400412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ee9dcf6fa0358078a3c623cd48eac86fc2ffba0c7c2d5769f724080c535315b. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), 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/GBGLW2400792.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x086edfb4ecd434a43654917aeb84ba843b9d9bf0ee80bb0bb406a4a5cb8f8234. 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/GBGLW2400184.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5367b33041db1f3390e737185e1b41c54e7397157ca48cea05267918bef21994. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T09:39:34Z), 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/GBGLW2400793.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2b7672965728217e619a764182eff23d5d248b66c0f0bef55f39a0e3e3b8e29. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/GBGLW2400794.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb576374023177d4859fbf455216499c25d94b7831e91fcf5cc7060720c86cecd. Chain 2 (Bitcoin): anchored in block 958991 (2026-07-21T12:27:18Z), 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/GBGLW2400795.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8eb782972aa1e66180046953ce44cf93195ad174d1127eede56a765e26b43211. 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/GBGLW2500355.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8eb782972aa1e66180046953ce44cf93195ad174d1127eede56a765e26b43211. 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/GBGLW2500355.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98bdd2b687280502b5ea75fc984072630fa8143ec5bfdcd9133124c03a3bc15c. 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/GBCLQ1000134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e11dfd5ba2585c32c47a456c4fa27c613a9be5aff7dbf90baf64492fbe38797. 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/UKY6Q2000001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc6078cca61e39bc70668f13e460606b346009091f1d5bfb2fe4864357fcb223. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/USQX92004501.
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch