thumb|Bernard Foccroulle Bernard Charles M. E. Th. Foccroulle (born 23 November 1953) is a Belgian organist, composer, conductor and opera director. Biography He was born in Liège and studied at t
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 0x47d848fdec810d7da40c7afbb04a61a07d8b6b68359e31177dc21c157cc49a00. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9d2b99eb-c322-404e-ba67-5af9b60ce307.json and https://artists.proofprofile.net/proofs/artist/9d2b99eb-c322-404e-ba67-5af9b60ce307.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Tournemire: L'orgue mystique (Aux grandes orgues de la cathédrale d'Orléans)
Tournemire: L'orgue mystique, Cycle de Noël, Op. 55: Office No. 4 "De Dominica infra Octavam Nativitatis": I. Prélude à l'introït
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 0x22aa037e53800d4441cc088f0088d44986e2682e215ad7e07bcc62d66056088d. 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/FRZ201902199.
Tournemire: L'orgue mystique, Cycle de Noël, Op. 55: Office No. 4 "De Dominica infra Octavam Nativitatis": III. Élévation
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdecaf228c8eb1221355f48576e16561456a94e0a83fdc1f0a503d99e2dfa79e2. 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/FRZ201902201.
Fiori musicali, Op. 12, F 12.35: No. 35, Kyrie della Madonna
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x027cb00a8e620e8f44ff7bd8973b0610ffa00cdf70ded4001f2e705004dd665e. 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/BER181637202.
Fiori musicali, Op. 12, F 12.27: No. 27, Canzon dopo l‘Epistola
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30139dccacbdc8dd6efe66517d4503a615bdeef5576ac8cb9ed57759f6c4597c. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/BER181637203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a82b6757633cdce9c41376ffe31261335d272f9f85ec14e31da97eec28c147d. 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/BER181637204.
Fiori musicali, Op. 12, F 12.42: No. 42, Recercar dopo il Credo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa05887ff028322b758f7c516862c71eb30affb9997c04334c4df6fedd340313c. 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/BER181637205.
Fiori musicali, Op. 12, F 12.46: No. 46, Bergamasca
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0967d588608cca05856f8e1044842c53037f9fb1a243d2a4b8b7049d8f6dc32a. 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/BER181637209.
Ich hatte viel Bekümmernis, BWV 21: Sinfonia
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cc146185e871eb6c0062e57df9b4481b08ba65c3acc712e13403483de16a257. 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/FRU622049001.
Ich hatte viel Bekümmernis, BWV 21: Aria "Seufzer, Tränen, Kummer, Not" (Soprano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ab4f6cdfe2e44550ea7cad5011909ea0bf7b0192e3acc4a92a4f2fe6a45af44. 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/FRU622049003.
Ich ruf zu dir Herr Jesu Christ, BWV 639
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccedb7fefa1c41afb811592c1881754668bb88a9614680b0874f69a428a6c8da. 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/FRU622049007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3fd42e37a4f88d801a263f291ca8bd1c1e7ed6d9633a16ece5913ca3c570310. 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/BER182143534.
In the Smoke of the Wrathful (Cantos XV-XVI-XVIII)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58f27bf328306a52ad093fa605c1c713ebd855a4d1293a36b98f0bd9d4722ae1. 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/BER181976205.
Praetorius & Schildt: Selected Organ Works
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e53a6c178c8a63acf47a05e6532a8c547a324c5051082e254265c49e74362e2. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/BER181131917.
Choräle der Neumeister Sammlung: Vater unser im Himmelreich, BWV 737
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc86831cef53b2b5d07aa6f0b5e56b360510ffb520c6e6939a88506d5366eb571. 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/BER189728905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3d3a882b973a6ec7bc6622c41eb15473dd15886a63b89a85a54057055ee7269. 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/BER189728906.
Chorale Preludes, BWV 715: Allein Gott in der Höh sei Ehr
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cc0891b078544dbe184c74861c99190c6203dbf883c28b42578efbdb8850647. 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/BER189728909.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bc4dc80ef784541ed4a40963f264c33b763e5016aaa42f45a72abf9b2161e07. 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/BER180827603.
Toccata und Fuge in D "Dorisch", BWV 538
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x516a71c102e1e2841d3cc2be0359123537cac2f3dc943460d2600290aa4cde13. 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/BER180827605.
Buxtehude: L'Oeuvre d'orgue (Organ Works)
Correa de Arauxo: Libro de Tientos & Canto Llano de la Immaculada Conception - Ortiz: Salve Regina
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd86290b2a1b1ca6228f88ce4ccee7d1a1ffec707baaa43fa9143ea08c90411aa. 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/BER181031105.