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 0x87f6099d6bc94c56ba32ee800b22fa075aeb1c7fa00ec2fc0919053519905622. 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/99d953a6-a542-4b0d-8858-42ba8aeb6019.json and https://artists.proofprofile.net/proofs/artist/99d953a6-a542-4b0d-8858-42ba8aeb6019.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 0xd40e449b7341135ad778f611b32bab10f4c4c5fcc88e4b4b443260d776ed4323. 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/QZZZY2400030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe56bd875e3f1b268307ba377ad6d7fd3ecf65ea0f28a1de865774966eee83a6d. 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/QZZZY2400058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa066f016f09d5b949b03b29799b26eba1fc0da8e408ea6f734234aea5fff7fe4. Chain 2 (Bitcoin): anchored in block 957043 (2026-07-07T13:52:39Z), 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/QZZZY2400036.
Bosco (Original Motion Picture Soundtrack) - Side B
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7be2dc69dcba00818899dc8cd52c49461dcccb9ff6843a5c324d069b4211f172. 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/QZZZY2400014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb73b1e5180f4283d6651f9336476254ea4b058e978b09c006fbeb50fd5f9e02a. 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/QZZZY2400031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10d6c2193bf5139e706fd509331c4632ed3203c1236d990aeee76c12e1dcd1c8. 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/QZZZY2400047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd40e449b7341135ad778f611b32bab10f4c4c5fcc88e4b4b443260d776ed4323. 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/QZZZY2400030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7eeda17b219c5ab2bae1736e7cc71bc453f7f07daf034685da9b75889da4b045. 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/QZZZY2400074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa066f016f09d5b949b03b29799b26eba1fc0da8e408ea6f734234aea5fff7fe4. 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/QZZZY2400036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa74be9ae36a2eea81733735e35a0fbdfcccd40e0738d07821e150760aaddb456. 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/QZZZY2400050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64a9dbd6dff267d7be3d124090278afe91fe7a5adb7177fec0ece07bffc04013. 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/QZZZY2400003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb892f6884b3b99d7478374cc7791b9d45c7b711044676235e04c0e82c7ebe1bf. 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/QZZZY2400037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ef26d5d26dd714892d074f81779553201e63054c967fa1d65513fe5f537c58c. 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/QZZZY2400004.
Bosco (Original Motion Picture Soundtrack) - Side A
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc30042092734c50ae60257a5c1fe9c6cba2994040ac2a701bec9393729123577. 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/QZZZY2400034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x143e99554f8724419f98f2e829549394182f87b4b6be0de50a612e3f756db4b5. 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/QZZZY2400029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf22ac2756be041127c68ef9661783d0d395e0458de3af82a997a1153bd257c14. 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/QZZZY2400001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x701880b5f23f9be8ca90cf9016c2cf2a62edffd2af378ec4f76630aec55e2fe5. 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/QZZZY2400032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x851fa688f4c6ecf40c637731d6c01add6efdbfbf468d71094ea86b5705ad07cb. 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/QZZZY2400033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dbb96587b9af951b7c5b1625f0d19870111b30ad4cfdd279a037e4279e3071a. 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/QZZZY2400049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe56bd875e3f1b268307ba377ad6d7fd3ecf65ea0f28a1de865774966eee83a6d. 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/QZZZY2400058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea8681eef58b68fa8269ea83f353f64da10717144da3348fb9020729cd28d583. 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/QZZZY2400038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf41a0847edf36a8db45a97ae53984bf0e71b4cb2e7bd11096796c0620c9c28cb. 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/QZZZY2400051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1564b14d961605b2aa4717faca8657a24464b89e8c61115cade50bc84fafa366. 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/QZZZY2400019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf41a0847edf36a8db45a97ae53984bf0e71b4cb2e7bd11096796c0620c9c28cb. 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/QZZZY2400051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x701880b5f23f9be8ca90cf9016c2cf2a62edffd2af378ec4f76630aec55e2fe5. 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/QZZZY2400032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb892f6884b3b99d7478374cc7791b9d45c7b711044676235e04c0e82c7ebe1bf. 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/QZZZY2400037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7eeda17b219c5ab2bae1736e7cc71bc453f7f07daf034685da9b75889da4b045. 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/QZZZY2400074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dbb96587b9af951b7c5b1625f0d19870111b30ad4cfdd279a037e4279e3071a. 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/QZZZY2400049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1564b14d961605b2aa4717faca8657a24464b89e8c61115cade50bc84fafa366. 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/QZZZY2400019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x851fa688f4c6ecf40c637731d6c01add6efdbfbf468d71094ea86b5705ad07cb. 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/QZZZY2400033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea8681eef58b68fa8269ea83f353f64da10717144da3348fb9020729cd28d583. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/QZZZY2400038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc30042092734c50ae60257a5c1fe9c6cba2994040ac2a701bec9393729123577. 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/QZZZY2400034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x143e99554f8724419f98f2e829549394182f87b4b6be0de50a612e3f756db4b5. 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/QZZZY2400029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7be2dc69dcba00818899dc8cd52c49461dcccb9ff6843a5c324d069b4211f172. 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/QZZZY2400014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ef26d5d26dd714892d074f81779553201e63054c967fa1d65513fe5f537c58c. 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/QZZZY2400004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf22ac2756be041127c68ef9661783d0d395e0458de3af82a997a1153bd257c14. 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/QZZZY2400001.