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 0xb5600aed4768f5913de9a16f33ea60e711fd909e398d00abde4413e4ef9466d3. Chain 2 (Bitcoin): anchored in block 953626 (2026-06-14T11:41:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2a8748b9-7d03-4a8c-9d06-1b4746f6d90e.json and https://artists.proofprofile.net/proofs/artist/2a8748b9-7d03-4a8c-9d06-1b4746f6d90e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Hungarian Rhapsodies No. 2 in C-Sharp Minor, S.244/2
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 0x69ab760e838dfabce5a266df6da75b3870601ef2eb0c3c94e34cb442cab78d2b. 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/NLY331705195.
Hungarian Rhapsodies No. 4 in E-Flat Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf19f0136facc3ed048d4638cdb2ff62d0cf8d85fd42a5d6be341c26372063690. 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/NLY331705197.
Hungarian Rhapsodies No. 14 in F Minor, S.244/14
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2748c5ea2e37479eb9052ab6982b26f217b021bda0f4180c6b68cf8c80657060. 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/NLY331705207.
Années de pèlerinage I, S.160: VIII. Le mal du pays
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59ef997995a2d5abdb897f38f0227bb4f1c346243d26ed4cced56deaee97a3a8. 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/NLY331705220.
Études d'exécution transcendante, S.139: IV. Mazeppa
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe49d2df4d26b6fc9ac64f585042726e2c8cda096078a80d7ecea2c8cd348b06d. 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/NLY331705238.
Compositrices: New Light on French Romantic Women Composers
Orchestre National Du Capitole De Toulouse
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1e24be7709ac0304771da2ba024735885c107d7f699f3840a3a1f473822aec4. 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/ITJXZ2300201.
Six pièces romantiques, Op. 55: No. 1, Primavera
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48f03832f6d96ef936c0548e62665b3c199d09f38ecfd8c25690869bd557c233. 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/ITJXZ2300222.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa4b73b4d6e2e57ba7ef4209466a878a32373e5484c0e1d5223e9c68dc314b1f. 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/ITJXZ2300202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x999a39a499b13d57ea96c4ab9de210a3bd4daaf964f579729c5121479acc4bb6. 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/ITJXZ2300203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a4dc91a15501251fdebf29fd5063a3debfb3d70e568f0d35926c3cb23b75968. 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/ITJXZ2300207.
Petits Poèmes au bord de l’eau: No. 2, La Barque
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22d9a942c5d5f5c6389426a738b3f5f22d2da4f02c69b1db42f1139000753e3a. 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/ITJXZ2300210.
Suite Bergamasque, L. 75, CD 82: I. Prélude
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6aeeedcb2b8f88a502932d2151069544e57c50d7435a5ac0ecbd902791e6431b. 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/FR9W12445018.
Suite Bergamasque, L. 75, CD 82: III. Clair de Lune
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9961809942b07c5e28e12d81e8f8b7a310f5ff4fc1d2c77b051b5a86fcaa6318. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/FR9W12445020.
Suite Bergamasque, L. 75, CD 82: IV. Passepied
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a29ec27e438bced48c2eab848210bbc8b27d5bf0a28fba92cfef77b163f7e24. 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/FR9W12445021.
Children's Corner, L. 113, CD 119: IV. The Snow Is Dancing
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9176d17123ec0470e2538002dcbbdb2e0ff49337426049fbd6e4fa3537f9f3a. 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/FR9W12445028.
Suite Bergamasque, L. 75, CD 82: II. Menuet
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae4bbec1d2f8527dd429f7e07a7811e9495d986a65cd83d3105b5755bca0cfac. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/FR9W12445019.
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 0xdba591851bdce42cd0591f7f638aec7bc7e860a5058a438aa26f3d2c6ca43cbd. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/FR9W12445022.
Estampes, L. 100, CD 108: II. La soirée dans Grenade
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff55516dc9e518484ba24437511057fc62069026e6e5b05ea8c56799678d642c. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/FR9W12445023.
Estampes, L. 100, CD 108: III. Jardins sous la pluie
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2997328f06577719799e55438638149d6f124df022a9cb7da2106956ad95e1f9. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/FR9W12445024.
Children's Corner, L. 113, CD 119: I. Doctor Gradus ad Parnassum
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99cd752e36f3d6a1101e76c286fcf83c57d0e8bee63458a8a67c0508a3b4ee9b. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/FR9W12445025.
Children's Corner, L. 113, CD 119: II. Jimbo's Lullaby
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f79c48464ff963ba7e9c8dd8a6ea5e0a1cde6ceb6c7a9bf3cee1c30b99b6436. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/FR9W12445026.
Children's Corner, L. 113, CD 119: III. Serenade of the Doll
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a284174246e6a3ca2d6aa528ebe420d453d836c25993e488bc020a4eb477422. Chain 2 (Bitcoin): anchored in block 960407 (2026-07-31T13:26:30Z), 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/FR9W12445027.
Children's Corner, L. 113, CD 119: V. The Little Shepherd
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd61375f52d01b155ad0811346c8b8acd2d09f45e8f84468c6355fa8975e094a0. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/FR9W12445029.
Children's Corner, L. 113, CD 119: VI. Golliwog's Cake-Walk
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8d7d6cb7da555b6d9004fde8ee1504154c81786fd6a08b939b0330cf3348983. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/FR9W12445030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69333813b1676cf0f6ea5a9698429c90ca6f3ff7ff56bc8f1551c354080a2d98. Chain 2 (Bitcoin): anchored in block 960489 (2026-08-01T00:40:43Z), 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/FR9W12445031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x224c703636a2838f37b11532e659eb186987abb88a729ff2b98bcc557e5c5228. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/FR9W12445032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30dfb02df5d5139ca2fa2326122afcd462910685f1d58f81aeb12f7194f397bf. 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/GBX3U1105566.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85a25db139a1b98a17c8a13475d3e792a5477d37ad786f940f445bf1fff4f374. 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/GBX3U1105567.
Miroirs, M. 43: III. Une barque sur l'océan
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e90e1d92a13bc2ccaa83464a35762d3e8af429ff603d53bc756c53ad94d91b4. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/GBX3U1105568.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x015911efe47d9b78d37029d981cda24f0fe78ce57d6109d5ce8ff9132518f0bc. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/GBX3U1105571.
Le tombeau de Couperin, M. 68: I. Prélude
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00728e8ab18d950f43f85d6ab2596eb53ec2eac86488b0bad3390f9fce37a96e. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/GBX3U1105577.
Franck: Piano Quintet - Dvořák: String Quartet No. 14
Mussorgsky: Pictures at an Exhibition & Other Piano Works
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b56a84a82793d74e1eb4a0d8ddf94ca7b79c5466c618a169b43b1d6e5f1a3d4. 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/ITBZ81800113.
Nocturnes, Op. 48: No. 2 in F-Sharp Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c87e9a3941f5d464a8aece69dfe92ca0d22bbe97601702f8d3845989ca09cff. 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/ITBZ81800126.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe46f92cf45d68d60918a29621452f5b94a488b5ea1230edc0a7f056ac9c75824. 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/ITBZ81800114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2bdf18240d76232ebfe50615c49700bb918b9ca7987c3fa4ba437f5ffb052e9. 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/ITBZ81800130.
Nocturnes, Op. 27: No. 2 in D-Flat Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13e1b6ac33b83b28836fa0cd6483b01fb2bd10d31608b5b8496d3b1f8f8ab1cf. 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/ITBZ81800120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65d978d4836629fe478d4c2b120fa8ed4a5e52a3e945e8a1b905b968e0660d06. 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/ITBZ81800121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcaa04cc7d1feb4b72cedb41996f5e43e17a4479194bafee4be3976d1bae56be2. 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/ITBZ81800133.
Nocturnes, Op. 32: No. 2 in A-Flat Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28f16e1b13e20ef9289d6a71255d9d767dca991803434c98201a30e3234abeb5. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), 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/ITBZ81800122.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c9f956efbcd9ab9a7aeac60e34bc1259b5c97444466f42bb4610c73940762bb. 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/ITBZ81800124.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e49b9178b8d9b154aab763207b04216f405aa54b7eaced6ead4db3cc8223329. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), 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/ITBZ81800125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43266d2db7b141e140c80c8cfa1cfc3da57a1f6efa2f0de83af21657487a7e65. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/ITBZ81800127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76288862d19261aea92581e1206dd4a372534085d8d6a502d31b7d6b3ca55475. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), 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/ITBZ81800115.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7d87152abee12b541499158f94b4fac7953fd8090281e5ed48213c22afab9f9. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/ITBZ81800116.
Nocturnes, Op. 55: No. 2 in E-Flat Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bb3d6e87a310c4692cf4038d8454a044c40fb7dbd5e75fa607dbb4ec321bdac. Chain 2 (Bitcoin): anchored in block 960187 (2026-07-30T01:34:28Z), 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/ITBZ81800128.
Nocturnes, Op. 15: No. 2 in F-Sharp Major
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd355849006194952f728ac1b3a877d409a5f210d7e45beb7b8386391fb3366f. Chain 2 (Bitcoin): anchored in block 960198 (2026-07-30T02:21:55Z), 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/ITBZ81800117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09552780ce3807eb8f5cda19203fd1f0a1ef6b3b181b59c52adb0ec898942ad3. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/ITBZ81800129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac277c8c98daa05cce63c3774acabdc1fec9ffb0c2cbfa4d750f23aa9d3e92c3. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/ITBZ81800118.
Nocturnes, Op. 27: No. 1 in C-Sharp Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x830dfc4902406f87502a6050f4feea093d3010e10517657fb5d952c844eb08bd. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/ITBZ81800119.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1184742790959a5b91f9c8ab2e35165734767b181d7aaddc42832487a4401a44. Chain 2 (Bitcoin): anchored in block 960166 (2026-07-29T23:39:29Z), 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/ITBZ81800131.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bb66a608103e341f263231719e433f9cb9ed81e247204fdc67b7f4774c4232a. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/ITBZ81800132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x497daff3268256c9afa7240f93020cecc93aacc1308c33130193e369da03ea7a. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/ITBZ81800123.
Pierné, Vierne & Fauré: French Resonance
Chopin: Piano Sonata No. 3, Berceuse, Fantaisie & Polonaise 'Heroic'
Franck: Piano Quintet: Lento, con molto sentimento
Jolivet: Complete Works for Flute, Vol. 1
Serge Kaufmann : Ima ou la mère dépossédée (Jewish Music)
Maryline (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9885488d165e7b78f7420ba59b54de83b4fd8568246a01c260a6f17a926859eb. 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/FRUM71701950.
Choses vues à droite et à gauche "Sans lunettes": No. 3, Fantaisie musculaire
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x501e688d9ce769ab014470db29a11908253ffaa9c716f087eec5dea6b1dd346b. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/FRZ140812190.