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 0x2372c5d43504b3a08ddc731dda188a5f7c8fa2685c3baccf35490881f122396b. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2d6601b2-3a3d-4c67-83f9-55c9e8b12ec8.json and https://artists.proofprofile.net/proofs/artist/2d6601b2-3a3d-4c67-83f9-55c9e8b12ec8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Killing Karen Soloway (Original Motion Picture Score)
Hesperia (Original Motion Picture Soundtrack)
Becoming (Original Motion Picture Score)
Hurricane (Force of Nature Motion Picture Soundtrack)
Say Goodbye To Hollywood (Original Motion Picture Score)
Say Goodbye To Hollywood (Original Motion Picture Soundtrack)
Fortress: Sniper's Eye (Original Motion Picture Score)
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 0x732ece6016fd7bd9ffb1b170b79ac38911f046ab34c77e90711c1934f6d27cb7. 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/US4E41411913.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x879ee3b6a8583c4f931412c3b31d6d0f27c5281a53229e302c5922cf7874208f. 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/QMJFD2008306.