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 0x63b90fc5b74f22abc9c17095564f9bb14f4f2e850d5db84727883306a02e078e. 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/b6411b8f-f4bb-48db-8214-17a47d216320.json and https://artists.proofprofile.net/proofs/artist/b6411b8f-f4bb-48db-8214-17a47d216320.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Il y a des jours où rien ne va - 2003 Remaster
Itchi Go, Itchi E (Une rencontre, une occasion)
Pour que la mémoire du vent retienne nos chansons
60 ans de chansons à des titres Divers (parfois Dit Vert) sur l'humain et ce qui l'entoure
{"copyright_id":"0x8eb1e6dc7fbd711ba998b9a1b2902dc16eb9fa1769d3472fbb1b3aea50a52628","isrc":"FRP366600090","name":"Samba Saravah","registered_at":"2026-06-20T04:22:47Z","spotify_id":"5Ep9L4VvyA3nINq8ZmP3vD","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8eb1e6dc7fbd711ba998b9a1b2902dc16eb9fa1769d3472fbb1b3aea50a52628. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Ep9L4VvyA3nINq8ZmP3vD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Ep9L4VvyA3nINq8ZmP3vD.
{"copyright_id":"0xa32ddb8aa6107f72f7f1986acec6fff0568ac20b26ee4be57f2b60f27189b855","isrc":"FR77F6800540","name":"Saudade (Un Manque Habité)","registered_at":"2026-06-18T03:48:44Z","spotify_id":"3LwPnwWkzJpFcIbZtZGGV1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa32ddb8aa6107f72f7f1986acec6fff0568ac20b26ee4be57f2b60f27189b855. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3LwPnwWkzJpFcIbZtZGGV1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3LwPnwWkzJpFcIbZtZGGV1.
France 70 (Folk, Rock & Electronic Rare Gems from the 70's)
Accordéon (sur le prélude de la suite No. 1 en Sol Majeur pour violoncelle)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6b918c9fe3b2e215ad4574915cf4f52295b7d05b01a8acb05bd63f3b234b557. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1kD5ryUDX4QXopOZYzL2Yw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1kD5ryUDX4QXopOZYzL2Yw.
Les rois du Slow-Biz / 30 ans de Saravah
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5be023dbd61081d62939fc49100f1e8f073a666231d2867f4ce26398938ec2e9. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1Tr51h9orCG0Q5arXhJOSy.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Tr51h9orCG0Q5arXhJOSy.
Dominique Cravic et Les Primitifs Du Futur