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 0x612a0d391ad1d95717fadcf3e18caac8f005b1d780f9ba4f392d6001f6ca28d9. 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/42080b8a-e83c-4dc3-930e-d49923177343.json and https://artists.proofprofile.net/proofs/artist/42080b8a-e83c-4dc3-930e-d49923177343.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
SOIS FAINEANT ou conseil a un nourrisson
Bernard Dimey - Ce qu'ensemble on a vu (Nos Enchanteurs Le quotidien de la chanson)
{"copyright_id":"0x01fe4ba2cb1d8cdc0f8e30cd350488dfe5beec1c53053e9d35f2bba5093f1ac5","isrc":"FRZ831409755","name":"Adieu pour un artiste","registered_at":"2026-06-25T10:50:52Z","spotify_id":"0MokqJwQ4YDja2cRnAuuA2","type":"track"}
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 0x01fe4ba2cb1d8cdc0f8e30cd350488dfe5beec1c53053e9d35f2bba5093f1ac5. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0MokqJwQ4YDja2cRnAuuA2.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/0MokqJwQ4YDja2cRnAuuA2.