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 0x4b74953a740a4b8f7aac782da9d148e914f4bd9fd6af5ddc5d40899b716444e7. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/826488cc-192b-4c17-9b6d-8d82e8a31ab7.json and https://artists.proofprofile.net/proofs/artist/826488cc-192b-4c17-9b6d-8d82e8a31ab7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Juzz Tabarak (Quran - Coran - Récitation Coranique - Islam)
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 0x4d535b5ff065b358a55df9bbdc4a310a5dfd88906ec11fcff0c279b27c13447f. Chain 2 (Bitcoin): anchored in block 957771 (2026-07-12T23:27:28Z), 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/FR6V81237966.
Juzz Qad Sami (Quran - Coran - Récitation Coranique - Islam)
Sourates Al-Dariyat, Al-Tor, Al-Najm, Al-Qamar, Al-Rahmane, Al Waqi'a, Al Hadid (Quran - Coran - Islam - Récitation coranique)
Sourate Az Zumar (Quran - Coran - Islam)