{"copyright_id":"0xf4bce793b4288ebf17724bbd07a5ec1bbeb8ab14b4d10843f43f43c8cd3b29fe","name":"Waltham Forest Youth Choir","registered_at":"2026-06-21T18:36:43Z","symbol":"NIM2003029","token_address":"0xd2184993ecb7e3a04b440a3f88e4cd274aeac3a3","type":"artist","uuid":"ff6a7bf8-e250-4d32-adb9-4844dd6daa62"}
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 0xf4bce793b4288ebf17724bbd07a5ec1bbeb8ab14b4d10843f43f43c8cd3b29fe. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ff6a7bf8-e250-4d32-adb9-4844dd6daa62.json and https://artists.proofprofile.net/proofs/artist/ff6a7bf8-e250-4d32-adb9-4844dd6daa62.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Stay Another Day (25 Year Anniversary Version)
Stay Another Day - 25 Year Anniversary Version
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 0x7a48f3b22707cf821f13e782d6e3af29128cd25f8d94bb114c2497e8e8af84f4. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/GBAAP1900148.