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 0xb1fdbb30013f88f0e22495a038dde5f23895c11f7311b4b0acb858ba4ab308dd. 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/a590de5f-2e83-49a4-98a1-99e4f74447af.json and https://artists.proofprofile.net/proofs/artist/a590de5f-2e83-49a4-98a1-99e4f74447af.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
15 Years of Enhanced Music, Mixed by Tritonal
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 0x51a08a2f8d64ef40e4570783d01fc8a6b99592715112e31304f73786da6257b8. 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/GBKQU2364393.
Long Way Home (Tritonia 457) [Tritonal Throwback] - Last Heroes Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3a745aaadaec0d1bd048ef8d505d61285bc51f8433b190c038bdfbaaf940af9. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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/GBLV62318174.
ASOT 1075 - A State Of Trance Episode 1075
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3da9211f7136136f8e71ef778ee47851676db1c372ff3422e1c8515c24b41efa. Chain 2 (Bitcoin): anchored in block 960198 (2026-07-30T02:21:55Z), 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/NLF712205493.
ASOT 949 - A State Of Trance Episode 949
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39ab4eb748a834f28da9200e3560ee7f95b6c67e69b3fb5b8e12b12b82f039fc. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/NLF712000779.
FYH398 - Find Your Harmony Radio Episode #398
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d1e95b81de4a5fd46aa1f320cef24e868e01dc10bb5ad16c07c56bec92a3317. 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/GBKQU2435828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf46ac8000b6d270e3f46392bb672395b592aee94164db16ed4d3cf1624daa5a7. 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/GBKQU2295253.