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 0x66c323b62fdc926224a5c098114a31c3c9153d5b361e943c6de4aa8a83845be1. 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/c128b2d6-d403-4d87-a32e-1e33c2ef20f5.json and https://artists.proofprofile.net/proofs/artist/c128b2d6-d403-4d87-a32e-1e33c2ef20f5.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 0x611e9f72cdd7ce67c1cad315bc4b1f5ead993e22f62779112dcbd76027b69aa5. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/USDY41717513.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd59ecdadd01fcc33acf74e975c4979e74fad6284b18d076c565a471bcfc7183f. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/USDY41717517.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x404099d5382924ee74b4cc96df776c8c61ba55f119d17f09214d6e7ad5043ac4. Chain 2 (Bitcoin): anchored in block 960222 (2026-07-30T07:48:45Z), 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/USDY41717532.
Bodega Gospel (feat. Outer Space & Esoteric)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbb84b37f5faaa7484475a7d134b85e0fe2598fd86e05df354190d464d938cb4. 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/USHM21257677.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x860e4b39afadff355e30b30aac47d02dca821942864f0e23c5ac1f62c85fe4af. 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/USHM91679646.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3ec260df226c32653eae99c8f4beb57b645cac985590ce0d538e41bf8d138a6. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/USHM91679647.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69d6090b0e9d75fca1b82b724eec68eb732afa394a15ec25c08e9f93cf5ecd84. 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/USHM91679648.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63d9bc3ef1fcbe76526ea483f0ab11a92589c9c1a7b6b6f4a97f4dd69dccc26c. 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/USHM91679649.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8bd014f6937597ffebf08a224570b3dcb2907023e8aa1a15c8bace41bc16877. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/USHM91679650.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ef30dab38eb3b4fe21afa03c5b03495aace081c66f7956f90acb11774e50aba. Chain 2 (Bitcoin): anchored in block 960489 (2026-08-01T00:40:43Z), 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/USHM91679653.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa259abaa25f97460e23fb0e4143343ed33d509b67f1571108eff42fca82c8a31. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/USHM91679654.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4c5cdec9ebd960e57a632202078f980bec01c2b8b163f145b202a5f76065668. 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/USHM91679655.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c4820a5959139d064bd4426f0d508e13b4a517a64e4758fcdfbc049dc5ff6ae. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/USHM91679657.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5548c92161f61fa9c5f196d8f7482f44ffedc11b2e1f2bb73cb8d73930cbb226. 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/USHM91679659.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9aa20176af52609fbd83043f6238b152fac71b44c22197fb243cfb82344d763. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/USHM91679660.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4302d3cf2764cd1a5148ce18b564e7bdd9f1947347156f2ae22053a1e25d2a63. Chain 2 (Bitcoin): anchored in block 960288 (2026-07-30T17:41:38Z), 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/US6680917166.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fbb954acff66b566625e969748a12ede489eec5a0ecb083000bf0678aa52b1e. Chain 2 (Bitcoin): anchored in block 960300 (2026-07-30T19:42:40Z), 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/QMDA61571112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83b937fd104f291e677d8b8c706a1831fc903f2414185369defb18cdbb30e024. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/QMBZ91339139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e88e1fc31396279904b3635b6321ddb5b87f69c26ff473cb1910f3cbc2256cb. 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/USHM91923354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x388d6071c9f77d77b5bd8b2cbaeabfb8aeb9199f23f4e24bdcc577ffe2bb5de5. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/HUB161113109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb10351e22a88d14b596c19090e676f9e271e6f4caab9d59e8076484497718854. 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/QM7281868827.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1ff02e78fecd3cfe0ded0b6feb0e9e4da4a8de03eec558dab9926c405c31163. 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/USA560843370.