{"copyright_id":"0xaaaef5ca5dda7e7274ddcef7dd26eedc9e01c6ccef2782e8fa4ed02437f72da9","name":"Jerome Beaulieu","registered_at":"2026-06-21T02:04:09Z","symbol":"NIM1786139","token_address":"0x6bda051b99a2efa3e4e7490d885b02cb2e1941f3","type":"artist","uuid":"d493d57d-8d29-452a-afb5-f88abfcf61f8"}
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 0xaaaef5ca5dda7e7274ddcef7dd26eedc9e01c6ccef2782e8fa4ed02437f72da9. Chain 2 (Bitcoin): anchored in block 954638 (2026-06-21T03:45:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d493d57d-8d29-452a-afb5-f88abfcf61f8.json and https://artists.proofprofile.net/proofs/artist/d493d57d-8d29-452a-afb5-f88abfcf61f8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Au premier tour de l'évidence - En concert
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 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 0xfcd5a1c27e9c0ad5d028db979bd5d34ff61fe1ffdde2fcf1e2817aa68bd84ccb. 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/CAL542424701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1099287f6e6556dff028c0bf42ef5bb5a115214c637a78670234d291ef87b862. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/CAL542424702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f6870bde8ecb0cb9331fab2036334f301e11d794b8ef55cb0dba6d6a14adbd2. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/CAL542424703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa343bfe7842a0be7bb79b2d104e82d76137490298364dc5408ef19b30b3b6b64. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/CAL542424704.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4824a3b7c46cceb87c0c61297da364a4f5282d216a3271df39209ab66be1bac6. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/CAL542424705.