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 0x7454a7a881309761c70f78b408b346152cb9bf053c3727b894ef0a2614380825. Chain 2 (Bitcoin): anchored in block 953638 (2026-06-14T13:10:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/390d6cad-9ddc-494c-9fe4-84d7d5f1a9b7.json and https://artists.proofprofile.net/proofs/artist/390d6cad-9ddc-494c-9fe4-84d7d5f1a9b7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
À la vie, à l'amour (feat. Jean-Michel Defaye et son orchestre) [Mono 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 0xf7abe606fd7b9d8048090561e923f9abe7684a2d42ebf5d356eddba43b70fd65. 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/ESA012031733.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86a8c4112c269fef68bb352d6bde8ddd065b47e2fed32042659edf60883d62c5. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/ESA012066024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe90d11f254b0262f63f4f8829cd509e759a189b57fd995990fcdad6744e0e11. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/ESA011770506.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98da22dce85c37cfd642c492f607dbf42741475a9b85e4f7e5a9618943e3ef0b. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/ESA011667122.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58bc4fbf2d106cec1fffcaa6e6e4e45301cb17c365b43efc556e5f380d2abb53. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/ESA011672168.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ba7f9cfc9923f90b6662a8e69c93fdd2f64b752f179f5c119ba01577abea6d9. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/ESA012202210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b5623e82f90eb624c7e1c49e7a9f3b726c25a79a081e6acc555dcb8506a05b9. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/NLC341202003.
Have You Ever Been Mellow - Reinlaender, Simons & Sabrina Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb643389f43124935b746857c21f80d13b86f3a8c864fa5cedc571a2c0d260e5. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/NLC341401001.