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 0x7be07c1aefb886fc9bd681efe3717fe6820932eb1c2b1a0ba79b061358590419. 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/ad5c2b4a-94b8-4b24-8bf8-46754645f4a9.json and https://artists.proofprofile.net/proofs/artist/ad5c2b4a-94b8-4b24-8bf8-46754645f4a9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 → block OTSBitcoinBlock must exist at that height 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 0x850bc00ffa9e279121967e3612a1149d66e585647cc8ab7074714d87322f0286. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T02:20:56Z), 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/FR9W11914711.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbcb75daa590c75cd855862774cac59db75b74f3026b3c7454360d13c53f2369. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/FR9W11914712.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5d5370fc3996645293306fd0551234d64061f3d1aca988bc8d73ce964e1722d. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/FR9W11933082.
Little Things (from Isabelle and Ivan’s basement)
Little Things - from Isabelle and Ivan’s basement
Little Things (from Isabelle and Ivan's basement)
Little Things - from Isabelle and Ivan's basement
Green Jewels - from the forest of Fontainebleau
Grandma became a zombie - from Christine and David’s living room
Your Eyes, Will I Ever - from the vinyl factory
Mick Jagger - from Marie Aure and Félicien’s house
Grandma became a zombie - from Christine and David's living room
Mick Jagger - from Marie Aure and Félicien's house
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c017d6b276b607084699b8c1532a7ba70ebfab34cd928052671b7fb5c6366a7. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/FR9W12371628.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe837c65f1f28022cd555132da219293d5e8990d77fd8317686814ae8546360fd. Chain 2 (Bitcoin): anchored in block 957703 (2026-07-12T12:26:40Z), 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/FR9W12500178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x911403d4cb6c6bb47da3c71bbb8d4d32125ac8c5d86706c495d86ef42ae72158. Chain 2 (Bitcoin): anchored in block 957705 (2026-07-12T12:50:42Z), 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/FR9W12500180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d57bc75984aeaa1a759bc9081f981560f3d526aaa1f5bc2b3a15929389817b7. Chain 2 (Bitcoin): anchored in block 957711 (2026-07-12T13:56:57Z), 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/FR9W12500182.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b21c98ec746376d75634d8a36c73ed0e3b120b9c0a77f6dcffb51b5baec9cb2. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/FR8HU2100040.