1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xab60bc1081df7a03c436505f6a0d87122586be504fd42cded8c4611d6d6bfa83. 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/ce71467b-46d4-4a12-8b1e-52d2759937f4.json and https://artists.proofprofile.net/proofs/artist/ce71467b-46d4-4a12-8b1e-52d2759937f4.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 → block OTSBitcoinBlock must exist at that height 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 0x3e586f7d0bf1e719c94f7daff950cdac714185a861c8729b13f3404878891fc0. 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/GBWMY1750300.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbcda1876cbeb2216f5073d3b1e866db8c2f1921e27984252b92a25527289e71. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/GBWMY1750320.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f8ae2fda29ef25cf0d963875e3e3d8e06a3a26f88f86f04bc718eb6e1860b83. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QMFME2252570.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cb22326bb3b4bc6b89c8b2e9ce2cd02e9ba8304ad5af41a5ae77c62fbc96422. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QMFME2252572.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49a31e5f7041f75e65e0c2ebbae02e502440a440c4dbdc4836c09abc8b553484. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QMFME2252575.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5fb8477ac7b5e5a8c50d41bb094eb308319a36629998f78fa4001451ab92329. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QM6P42072181.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e411cd4f7e55d5bba332ff73f51f69dd5d523797814777896f3f84f99518e51. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QM6P42072182.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28040909c9044423c1a3ddb55b5c8c7261f0940c793a75a9eda84d202a869b1c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QM6N21807454.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b36d50f2d8be931e5b21a1392dd99ffd0e3aeeb72769ac5ef4e12125c58eec8. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QM7281688724.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc997eb1edadda12e5968495f0ea34dc5ecb5831653216a77977ac593d48e194e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QM7281688728.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa913c673dfaf95517b5c4a73f290aa73143f12f38f82d8b29c21ddd08035d163. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/USGSS1600027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x652424af6c3c8aee7213bb7b94f8b99088651a78dd3748a52075e36a0129de45. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USGSS1600034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80063d942bd26399b71782de9b7319f31413fc1e4bf4f35dc0c797ca82a0eb21. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USGSS1600035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0456388f08e85aa6e433552e1ef54b4935caddf539c15ca6870661b3b9144f3. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USGSS1600036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72d9fc8d1560ff7ec0d26e49fd45bf9823f88025acfd812cdcf505b3aa8a5d36. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/USGSS1600037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba75d5d7be90049843b87bed92c15c11563e37a5e9723c578b3008ae23fdf892. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/USGSS1600038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf3220824af1dded0705d98d9e8808efa41e1062aedfcaccc4710e79ccbbfa58. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USGSS1600039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf574b2f78574b9bfd201040495dfeb0e135565d4ba3fa31192ba29e602f633c1. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USGSS1600040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0621148cc4d77aee06fe2219e6a40f7e6b1a3379a436807520228482360dbbba. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/USGSS1600043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24f07e70aed9acbb0ae900c4ca458e996ce11c51f60d93047396657f45448a90. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/USGSS1600045.
The Ocean That I Found (feat. Judy Leuven)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e65b5622683631e2578a1030a750deb3b6a8f3459ec6cdfd59d503647080f7b. 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/USGSS1600046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6df275e8f675fed29b867a99ceb35b5655adec775cae420601b82c00bc13d5d. 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/USGSS1600047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x281906b63596fb55e7a92edec50c3fa999380fe660796d055e4040d4cdad08fe. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/USGSS1600048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6a23d4ec32d9cca119bed21b0f83e2a2252e439ffb87f02584ef751eebc0408. 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/FR6V80253398.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ac48976e4fe0115c47ed4a5780fbf1ab8f32936be1897f1bf1ca0f325cecdb3. 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/FR6V80253399.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb688fc117a250e639e7e8617e21c873f5835d9187aaca0b16252d722f4dae0bb. 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/FR6V80253400.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ecdf577120653f1467433cd22afbea4dfc77a64c8535f7e8bef92441261ad23. 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/FR6V80253401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8a5a360eea38efcbc16f216300ace2168292ced7ce3abdd2341ddf03d4eefd3. 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/FR6V80253403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7759a70b210b8e5f1ee50fec4101c8fd514d49aaefc18049ea176856a2c7e150. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/GBU4E1102005.
Holding a Cloud (Steve Hauschildt Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfeb11024a448d0063c19a1f3baec78cdb2d9d5f4bd510b15bb4936de8f5e9181. 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/USHM91403380.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x478f4e1b5675855122753e603ed449ba70f5d9c3d47ae9d3d12a8e8b8a5457e8. 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/USX9P1350384.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95867544dd5cd289070a55eb57bfa8cfcc33ac9bb1bae001410fc1928688e69f. 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/USCGH1718246.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2116ea58ff065358ef49aa69d15afebbfecd56940115ad1076a150de47817b2e. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZ5FN1722936.