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 0xb69dfb64d8705d3b2c7cdf5195389d9e6198d2f9378098f350eaef918c545d27. Chain 2 (Bitcoin): anchored in block 954555 (2026-06-20T12:10:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ad993587-f9ce-4f3c-9d71-3e35959bef41.json and https://artists.proofprofile.net/proofs/artist/ad993587-f9ce-4f3c-9d71-3e35959bef41.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Jamshid: A Lament For A Myth (Original Motion Picture Soundtrack)
Morning Without Evening (Original Motion Picture Soundtrack)
Critical Zone (Original Motion Picture Soundtrack)
Maybe The Last Waltz (Original Motion Picture Soundtrack)
Invasion (Original Motion Picture Soundtrack)
Botox (Original Motion Picture Soundtrack)
Forbidden Womanhood (Original Motion Picture Soundtrack)
Kamion (The Truck) (Original Motion Picture Soundtrack)
Maman (Original Motion Picture Soundtrack)