upright=1.35|thumb|Noëlle Cordier (Dutch TV, 1967) Noëlle Cordier (born 7 April 1944) is a French singer. She participated for France in the 1967 Eurovision Song Contest in Vienna with the song "Il do
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 0x037d47650af278e9d9c609fa86b1e2957446efd6487f6e2cc4ca5317b89b2f02. 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/370cabc8-5332-41de-b2a1-85e95b01c103.json and https://artists.proofprofile.net/proofs/artist/370cabc8-5332-41de-b2a1-85e95b01c103.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
La Révolution Française (Bande originale de la comédie musicale - 2024 Remastered Edition)
Les états généraux (5 Mai 1789) - 2024 Remastered Edition
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 0xa885220cdf8a963fc235e0d17866eac8a94106d6aa19629ac6e1063d1420419c. 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/FRX087390080.
Charles Gauthier (Mai 1789) - 2024 Remastered Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ca37a6f1889319d3facd4d8ed227b58a16279625f1a3d951bec7f6389775987. 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/FRX087390020.
A Versailles (14 Juillet 1789) - 2024 Remastered Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a348f477e2ad5e7dfea64f971b55a4b53fa724aff55a5cdfe56bc48464a12a0. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/FRX087390021.
Français, français (14 Juillet, suite...) - 2024 Remastered Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3bd9c8305cae359494a4376f1f1217ea0361a27af2c354f41e41b853f7cac6e. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/FRX087390022.
Il s'appelle Charles Gauthier (14 Juillet... et fin) - 2024 Remastered Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x356c4763dca6ccb145e89232e4f8ef6e487ca676fee543c4626fddf4634d099a. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/FRX087390023.
A bas tous les privilèges (nuit du 4 août 1789) - 2024 Remastered Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e67b9a2a109df8a5cf857045dff932efa533c8e3a4bdeaeb8cbd0bc63d53836. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/FRX087390024.
Ca ira, ça ira (5 et 6 octobre 1789) - 2024 Remastered Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6d0f95d14bdc73688ebd4706eddc8ef9e6ab062c2136795ff697dd0f4f14d57. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/FRX087390026.
Quatre saisons pour un amour - 2024 Remastered Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe497e4abc92cc5fcb492025f65ef336408f4213d8dd3f6397a43c483815bcca. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/FRX087390027.
Serment de Talleyrand (14 juillet 1790) - 2024 Remastered Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7065de0920a9e5fe9c27d8b04a82e581ac7af2c7f850c774c76ef2d47e5a023. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/FRX087390028.
La patrie est en danger (11 juillet 1792) - 2024 Remastered Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3e3ef01dc8d6ac57d916e862b370e94aa07ee609c9a5d8891ca9c1c668af59a. Chain 2 (Bitcoin): anchored in block 957012 (2026-07-07T08:27:05Z), 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/FRX087390030.
L'exil (10 août 1792) - 2024 Remastered Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfafeae4f9b860383e8ad5b968036866c4ac18278032df3f091eee32cf323f68. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/FRX087390031.
Le procès de Louis XVI (10 décembre 1792 - 21 janvier 1793) - 2024 Remastered Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a56810c0cf8080c6a6131182e509bbd6f61cf64a2f865976c6d3e415f90a622. 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/FRX087390081.
Chouants, en avant! (juin 1793) - 2024 Remastered Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee7346c72c3aa54a6cbc13b1b6a602887464de698558091ac65e7da8be56827c. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/FRX087390037.
La Terreur est en nous - 2024 Remastered Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9859031ced6f397e5597627a8d9dbaacf0c0937cd56a9dede02a6bc9bf561951. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/FRX087390038.
L'horrible assassinat du citoyen Marat par la perfide Charlotte (13 juillet 1793) - 2024 Remastered Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab18772d4d1a13742cf937af3d4bddcde5354787c02286dffbc4ed07fca2b13c. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FRX087390039.
Fouquier-Tinville - 2024 Remastered Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8be2f7d47c10c7d37e140664acf8fba38ae9893ff4da4afc6456e1360f477d3a. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/FRX087390040.
Robespierre : que j'aie tort ou que j'aie raison (5 avril 1704 - 16 germinal an II) - 2024 Remastered Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e670163bdf0ed0952e2e4870a8ea105cda060fdac3b7d7059e55dfb084fc618. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/FRX087390042.
Gardien de prison à la Conciergerie (8 Juin 1794 - 20 prairial an II) - 2024 Remastered Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09f6fb72b2583e73780d8f3d3d8dac62463a4679a238ba4f6f8524ba0c53ec78. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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/FRX087390044.
Revolution (Final 8 juin 1794 - 20 prairial an II) - 2024 Remastered Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaf13b5daaf627636c4d256ac86c69dc6de5c1c1de38dafd5cf123431a3f28af. Chain 2 (Bitcoin): anchored in block 960099 (2026-07-29T11:30:20Z), 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/FRX087390045.
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b25cdbd738e4cf83b760c58cf829b204bb1b40bd73aa1f4f6142787f23d7fb7. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/DEF457540560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c99339315ca8b778feaf2f8fdacc328a900c15820d44c76445f311504b785b7. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/DEF457526408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4572abea2808cfb5374928a931a1a5292660751e3af59e3956c33087322c9310. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/NLRD52408047.