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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 0x91915e24bc0782585604445fbb9f7c177735a676f6c6fd4675d1cc6b04baed4d. 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/33a17963-c4c2-46ab-963e-eefa718f2afb.json and https://artists.proofprofile.net/proofs/artist/33a17963-c4c2-46ab-963e-eefa718f2afb.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 0x58ab2b47923069ddbb0e85d725334ee78b2e8ea77c51a6f7d4113a9028a7d6c0. 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/GBCEL2300202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7d88a5284769865d7739ad20f71befa6db20b3dcc47a96a8b6f9f490e65376c. 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/GBCEL2300205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb89662601a5e306b7c41a5ea48e2c41a33c365479bea18212cd515ff16a6efcc. 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/GBCEL2300206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9485435be9840c647f68243c7d5b64e518ea2a582889d9a8e7fbc8287b1a44ba. 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/GBCEL2300207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd8d38055baf0870abffe830930af95afe8f8909f9c74280e429674e0877e201. 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/GBCEL2300208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04537774f9e345f39e015d42ebc826ef821cb2867634aa024c68924ab9d5a354. 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/GBCEL2300209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa270a81b3879638634796f5a6bbdbc87b57a2caa176983823987127f59d14450. 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/GBCEL2300210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13a8248be84d8b5840b4e944cc992af4c2f5d0ccdb32fdc4e92d3c75d50de8ed. 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/GBCEL2300211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc415a7b948ae69031a7af69aedb9f3d11f1c551c5a26b19d051e8ec3f462707e. 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/GBCEL2300212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8daced508edf68706e676f8334afb535526416dbf7715cef8fdd4c7db004122. 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/GBCEL1900123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cb1427af97945c4a19793f623947316c381761cdd01f07cfa437b20643e87d0. 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/GBCEL1900126.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1eff1791976095336ef8792b0b9d84a251d2677635be977bad2c028e21c8b6dd. 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/GBCEL1900127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09ee8ef069f08edb0a3cb12368ad0f68ab54b41dab3fc3ea587d4cc3fe70273e. 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/GBCEL1900131.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x255cc3f4312c2a8d63f85c4e5510ddd96c1a23e02a838a760db3c23ddea8627c. 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/GBCEL1600492.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1a04c97066faaea6509b0642062228428c389b501bff1e41cb683189fabccfe. 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/GBCEL1600493.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89350c4b539dd6a6aa73f913d999bff191eaea1ae44ffeb6ef168ee06b5ac644. 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/GBCEL1600495.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39ba6c02dd206ad18f39843b93c36185346eff774436bbff8e82169dc0cff6a6. 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/GBCEL1600496.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c8a7fca341720c1ce3d04964ce9ccb0c2dc47ede0ece6765a3502e0ac61d8e0. 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/GBCEL1600497.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0429b886727888b4cc7a978f85ea80983825b4af8ac0d216fe006cda0fc351a. 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/GBCEL1600498.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d8a025ad5acbecf3a8aa1095360ea96958a6a1d4f9fdb9c008975f28378db08. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/GBCEL1600499.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x495a9bb5bcc29a6bcb376c35d3dff02a162339bdde500a252bfa37ab92e89567. 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/GBCEL1600500.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13d1cc2d345909f1ace9dfd6994f28a0a0153721c6e27f18e65e69aecc064688. 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/GBCEL1600501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd0ad0d9b85c70467e4a18708147547d12991d10c9900f05a61d7efe22f2af97. 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/GBCEL1600502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02442de88fca886e5dc06c4b6633119c8910af2e9dad8b623400fec4bc94bcf1. 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/GBCEL1300572.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83a5cf5a9379cceee7b3502e1eef85a497e977095baf33b4009d87705fd12771. 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/GBCEL1300574.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5db43d67eb2fa718aed3a9578a5d888d18a1664bb60cf0ba54716dcd4dd0b68e. 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/GBCEL1300575.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60e97521eb8c2fbb0685c6c2764c851e828a23a081a893d8765f6c469f87033d. 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/GBCEL1300576.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a16d7c2e00215d313d314ff1f7895e3c36a2a0d69c54dfae1c063cc7dbedb52. 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/GBCEL1300577.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ac8713a157382eba4ee539691cecd09fa2a9abd5949ff9062887473da5addd6. 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/GBCEL1300578.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08bb466935f2fa029c07404186ae9cdcc3f75ba47484dbd6a2e2174a93960cf8. 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/GBCEL1300579.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadecceaa7e4f049ec824da9a5d26c2ae17a85ade17478a8284973715dd1a261e. 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/GBCEL1300580.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48dc2d19f3dbba207ffe556b62cea25465fc342dd5a81d2b5ade3c061a16fe6f. 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/GBCEL2100557.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaa990d72090b4d9d07a18bbb6f136c8fc4d4d11340f94a45ee39fcec83cb890. 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/TCABT1458045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cf9c1e11ee14503dba951336133e63118b772f0943bc5730d2db5d7b08bfaf2. 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/TCABT1458046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ab62be0f9305b0dfcaa9dd098772bd468545ea7ea54ae66edc50e678ea12957. 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/TCABT1458048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74b4ee465da15dfa5f9f5a4505c8154fac0eedb4985024d3f18d1dd92a11db5b. 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/TCABT1458049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x857df45de0ffc0f1e0fbd2ae57b9b3d09789bfcf59bf331aaea7f95ce9c0b457. 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/TCABT1458050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7eed45e10f5535e0bba62b6ffea4dc098b8f5e2507939d1061007514b021b0cc. 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/TCABT1458051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc46a66c18b3e9d1c33be1dd85609dc5e323cbc66eddfc9ec2ad38ab52eb7c26e. 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/TCABT1458052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd95f85f75e7aff4c0d5b71282b857e6d7c958eef75694e88fcec7930bb324451. 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/TCABT1458053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6798d0ecabc96df305bcc7504fe2efbc4a91c0aabd595bad4f5e0f62c65faa78. 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/TCABT1458054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5543377b16f16d1ed226758c646cfac18c974abcf7b79c8b4256f88019848a50. 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/TCABT1458055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09fbc6af73046fb494bc22fa6bfc5c154f8fa2c96e71d7b78aba778ae672b63c. 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/GBCEL1300581.