1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x954811f5f69a90deee3e1c55bd3718716cc32b6ca9f8a7a69bbb86f871a10fb2. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b240d325-f50b-4e60-96f1-30885dfda311.json and https://artists.proofprofile.net/proofs/artist/b240d325-f50b-4e60-96f1-30885dfda311.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Car Scene, No. 1 - A Quiet Sunset At the Country Side
Car Scene, No. 2 - Parked At the Drive-in
Car Scene, No. 1 - A Quiet Sunset in the Countryside
Car Scene, No. 2 - Parked At The Drive-In
Car Scene, No. 2 - (Parked At The Drive-In)
Framix chante Hugues Aufray, Henri Salvador...
C'est un curieux bonhomme - Instrumental
La chanson des squelettes - Instrumental
Deprived of the Rays of the Sun - Instrumental Version
The Cherubim (EsaÏe14:12) - Instrumental
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d0c4358d91a31695a746081449fc7fc8374447b705a7ec566a1e23c0a4b8436. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0sumjMvt1r8E4hh8IbmQE7.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0sumjMvt1r8E4hh8IbmQE7.