Chœur des Moines de l'Abbaye Saint-Wandrille
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 0x81f4642dbcfd1cbdb62436da70ca2bce912024dbf03a365e94fc2705ea5ad51c. 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/b8354817-8863-4225-aeb4-a3288a9d923d.json and https://artists.proofprofile.net/proofs/artist/b8354817-8863-4225-aeb4-a3288a9d923d.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 → 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 0xbda72ee20bbcc9db39569caff7d7f49cba26ad74e224d7004cc9e5defcb96233. 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/FR6V80792340.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77ed8124ca2abeccf2017cc7531e1b10b6c46c47ad88cf9db2ff4acd1b752cd0. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/FR6V80792342.
Introït : Laetur cor ( Messe IV Dim. To)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6ac98cc5b354375fbe633773704ebee6b05b7d6aaf97c8f0e87b5581c76eb97. 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/FR6V80792344.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25b29549555efd41aa925d2ad6aa020f13eb41047e36eff440afecf96548cabb. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/FR6V80792345.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9ec94ba85bd9874f56e0b6afc8173f9847c44e9280f1df8e14d1f0c6247e11d. 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/FR6V80792346.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x469923eb6784ea74e1adc2fed6938a70fef6ad7704ec105c68d5dc3be40730a4. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/FR6V80792348.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x362fc4bcf4bda9e42c532a352e117df9b9422f26532de2bf68ae4dd82af24798. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/FR6V80792349.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3e91e11426c24daf0c21bd09a4716fa0274133672a4ec93b0cfe6272987516a. 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/FR6V80792350.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf83ce71b6b85c74c33fd6757231f4c4bf2bca90cda1b1b38805a859792494ea7. 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/FR6V80792351.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04e3bf44a74491d83393b7d35ee3d5e0183b3b3ef15ddb5b6131776454c70b91. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/FR6V80792341.
Chœur De Moines Bénedictins De l'Abbaye Santo Domingo De Silos
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x746fdf413165591012d600d54c5ccf514ffa6a96649b9271b194eaaa186ac76d. 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/FRX219500001.
Choeur des moines bénédictins de l'Abbaye Santo Domingo de Silos
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc82dcea9fadd48632e0075aa796c7fc9c6856d39c981cbeaedb409405fa9cd2f. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/FR6V80792420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad19fe4a2f48125a417af82d08d5a91a3cba0f6b809f470201762ecae80f971b. 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/FRX219700003.
Sanctus VIII, Mode VI - Messe 1 Lux et Origo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x327fb7da79c23d7cb383375140381d6446100b51843bb90d7cd605b1bb0b5b57. 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/FRX219400014.
Choeur des frères dominicains de la province de France
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda44ee985b9e7c7a5e26bcb34d9e5c5b88e5c05985e7f2cc0a61a023f5d89e69. 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/FR6V80866380.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb200737ac782f923dbd5e593cfa1de22eb7905db996c3ac1a4e18aaa0b8a3f9. 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/FR6V80866385.
Complies : Ad completorium (Tu autem in nobis es domine...Salve Regina)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2f2b2711f1d53bc9d04ed5348921505391c2e35be9762c75e1d70bb793d96eb. 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/FR6V80889916.
Introduction à la joie, L'avent : Antienne, Juncundare
Choeur des moines bénédictins de l'abbaye Notre-Dame de Triors
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50f2d6733b671d2ef3ed375065d3d73b9098822c7b9fdbf2b396409276b157c8. 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/FRX211009214.
Joies glorieuses, Le temps Pascal : Hymne, Jesu nostra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49fd0522be1af6d699683c4cc5dc23729a44ae2e84e077d736f313b6c4226432. 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/FRX211009254.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6ac98cc5b354375fbe633773704ebee6b05b7d6aaf97c8f0e87b5581c76eb97. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/FR6V80792344.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf83ce71b6b85c74c33fd6757231f4c4bf2bca90cda1b1b38805a859792494ea7. 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/FR6V80792351.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b681c1364b984f79f71cbb2867d38961beac55e30724a4282d146b452a86d56. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/FR6V80792358.
Choeur des moines bénédictins de l'abbaye Notre-Dame de Ganagobie
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f34e7c13e02bd863add6241cef1fa186251e3200e60ee48d8b78d95cc97c72d. 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/FRX210507040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc382da6c2efe2e35e633a39b64b931e87458b1fc39d2f455ca2acc33af8a04a4. 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/FRZ810612826.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a5c45ae6c8551db4502be7d2c594803252e2b06cc66483b304a3439d6f7edc8. 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/FR6V80792416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa40cfa5e78c73bf02bc43942555bcc6c9e6559f04ff08f6d6c07af73e036ccda. 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/FR6V80792424.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01c76f15da7f5a2f6068ff50ad9238bf470de5344d195fa131d223a56a3e4f5e. 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/FR6V80792430.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc67d5cc00ba40636be9923033c71df06dc0fe259a880980297ad9a3cef48592e. 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/FRX211105003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e970cc89683b4e02f037df72ab28bc7a435568d8ffc7a76d3c9322c3e853c1a. 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/FRX210507036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x937bea132b5744355765f38be007438271ce94b67bbbf2b1e4df2697d969221f. 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/FRX210507038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39c79eae07fea78e27b3e79cfb1fd57a0443db4a4e9e03958f64f1064a340caf. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-21T16:47:49Z), 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/FRX211105001.
Choeur des moniales bénédictines de l'Abbaye Notre-Dame d'Argentan
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf66e90c5a8e53fccdf010c3c54864fd2a375d064006211c18456f1b64def501. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/FR6V80792428.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xead267fea9ad1a3eacaaa6d99eda8c4ce89532fd39cb6528c38bdaa3d99265fe. 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/FRX210710013.