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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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8d30379aaef934f9324d02476ea9a0aae8abf6700a41e63c5fc3c0377ae8f6e. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/65554ac7-5892-407d-8049-37feb46c720e.json and https://artists.proofprofile.net/proofs/artist/65554ac7-5892-407d-8049-37feb46c720e.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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d34cf0cf8c22a8a818c5e0c4c50ce1ceb6aa22235004aa9b30f5a7a347b6a4b. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), 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/GBARL0900051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0882be080ba5af72764e0de22ef778d349ad36c8e209cc8d26ab499b9d9b8cb5. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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/GBARL9600476.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a50cbf73e89f314dd00a0d3ff87acaedaaa381ae6e2fd23d8bf504b41a23929. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T05:50:22Z), 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/GBARL9600461.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc8f5d3535374094c230ca310b65f833b5de01a2906a1911f001fc2897e8ec38. 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/GBARL9600462.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde20494954519f548379e443957b248e2791c35171f40ac1239e9d90258fd040. Chain 2 (Bitcoin): anchored in block 959051 (2026-07-21T19:48:03Z), 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/GBARL9600463.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00879306a5dbc9632dea5c8ab1c3db0a6c9bc4fe628ebbc4995fab240049035f. Chain 2 (Bitcoin): anchored in block 958788 (2026-07-19T22:07:06Z), 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/GBARL9600467.
Works: Best of Andrew Gold & Graham Gouldman
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bda3f6dbe69c10441ac9344219445890a0348107475cb4fd4dd75e5230670fd. 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/GBARL8600042.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb50688ce7b4b2296cfb6735ce995c2eb6956aadcd3bed6c64b16b7069e606f8. 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/GBARL9600474.
Bikini (feat. Andrew Gold & Graham Gouldman)
Right Between The Eyes (Re-Recorded) [Acapella] - Single
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x316ed712fbb0f9bc610583e4ec7c9e0adb817ee4adfb7a19ba20278d6effbf5b. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/GBARL9600465.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x159fe5e1b8d441d9ca5d4581520739a687ee53d037df68e461569a9196ded1bf. Chain 2 (Bitcoin): anchored in block 960276 (2026-07-30T16:01:17Z), 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/GBLV62323417.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x003958958d6af6c938a3835bb7284c088838b9dbfba4cabb26ff5a66ccdd1da7. 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/GBARL8700051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x003958958d6af6c938a3835bb7284c088838b9dbfba4cabb26ff5a66ccdd1da7. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), 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/GBARL8700051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b8333c4dae2b5a12d7b2bcea25a2db99ad1f8a6c7bba655f172ee2cf743d7af. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/GBEXH2100232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e64aa4bbee768c70d533e1ef817649a90e4ab1af98f40053d62b6a02be1fd95. Chain 2 (Bitcoin): anchored in block 960199 (2026-07-30T02:30:29Z), 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/GBARL8600043.