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 0x3f1338d014d4cad502fd19b8fb1b91a12c1b32ba97424e69ef87a906d50dbdb9. 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/21981747-b520-4264-9950-7cdb539181d4.json and https://artists.proofprofile.net/proofs/artist/21981747-b520-4264-9950-7cdb539181d4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Counsel (Original Television Soundtrack)
Time and Again (Original Short Film Soundtrack)
Safe Haven (Original Short Film Soundtrack)
Finding Shakespeare (Original Short Film Soundtrack)
No Harm Done? (Original Short Film Soundtrack)
The Gift (Original Short Film Soundtrack)
Apex Pictures Volume 1 (Original Short Film Soundtrack)
The Dig (Original Motion Picture Soundtrack)
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 0x916e8611362e17fc6271054fa24b54b54caa3cbcf918c546dad43b81669c3607. Chain 2 (Bitcoin): anchored in block 956859 (2026-07-06T01:42:12Z), 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/QZFZ71911053.
Bad Day for the Cut (Original Motion Picture Soundtrack)
Eat the Rich (Original Short Film Soundtrack)
The Dakota Entrapment Tapes (Original Soundtrack)
Black Medicine (Original Motion Picture Soundtrack)