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 0x6a79c9d444b8599dbf5c1e737ead29480623b95c633cad6c05e486cd032eab8a. 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/392fe9cb-35b2-46b4-b1fe-4f04fca12026.json and https://artists.proofprofile.net/proofs/artist/392fe9cb-35b2-46b4-b1fe-4f04fca12026.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Neath Dark Waters (from Final Fantasy XIV)
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 0x6243eec0e0f8da70a054ef22686d1bee4a1cd8861d8a01cbd1a0c5552680a2f2. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZPJ32261331.
Forbidden Colours (from Merry Christmas, Mr Lawrence)
Tomorrow and Tomorrow (from Final Fantasy XIV)
Thunder Rolls -acapella- (from Final Fantasy XIV)
Phantom Liberty - french version (from Cyberpunk 2077)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6585fe12212df88cdbd4d1204df74ebcf2b77d5247501159d4185027b3a6c7c0. 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/QZPJ32435928.
Bee My Honey -funk ver- (from Final Fantasy XIV)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b09f5b8ded46dadb53dcef80dcbe7a7f975a5c63edde9395702eda9a57e342e. 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/QZPJ32448342.
Alicia (Clair Obscur: Expedition 33) - acapella
Aline (from Clair Obscur: Expedition 33)
Voices (from Macross Plus) - french version
Lost Voice (from Clair Obscur: Expedition 33)