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 0xaf9e029c13c5b4e7281c13f81fa7ea7804cb3a65e2c22f9b4f22cbc58b565891. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0cbbcc73-9285-48ab-a1a5-76fd7b0e4174.json and https://artists.proofprofile.net/proofs/artist/0cbbcc73-9285-48ab-a1a5-76fd7b0e4174.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Les contes de ma case créole (La Guadeloupe)
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 0x88bd61db2330bd48a4a4b3d41916d71f5d08d4727fe3b8cdfba45fe806ea08e7. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/FRX021200103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20cda091afabc451d1173299dc81c93b61f766add82166a37c6ce6aed81ce18a. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/FRX021100103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1f0f534ad06c24a2a4057bd719d045527414c56fb9070d1f90094955b036cd3. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T08:20:49Z), 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/FRX021200105.
Contes du Diable des gourmandises (Les Antilles)
Danse ti doudou (Bal et carnaval des Antilles)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe37be3bb1f8287de0a65abd950adba28e3dadba2f366fbe0737d2c6d683c26da. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/FRX021200516.
Viens danser! La java, la polka, le cancan
Jeux dansés, rythmes de fête et rondes pour les petits
Comptines, biguines & chocolat (Bal gourmand des Antilles)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe30b2c8cbad00353086199eb5849faa1f525f4c0c6abd13c0dc9ea6dae60f49f. Chain 2 (Bitcoin): anchored in block 958793 (2026-07-20T01:31:34Z), 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/FRX021300301.
Hello Everybody! (Je danse et je chante en anglais)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e952552921e8cb8b615797993c10bff65e04ab9c223a61e0009a4240e4d794b. Chain 2 (Bitcoin): anchored in block 958738 (2026-07-19T16:03:37Z), 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/FRX021400201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f778a734e745248aad94700a617e55215442ad4c577f42d3316a56ce425204f. Chain 2 (Bitcoin): anchored in block 957653 (2026-07-12T04:35:02Z), 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/FRX021400213.