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 0xcdd6c5e813a36a61de432a9b1899c8b601671961f36abd583f0dc3fefa720200. 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/e8c4e783-cf92-41bd-a3dc-e52b5db87dba.json and https://artists.proofprofile.net/proofs/artist/e8c4e783-cf92-41bd-a3dc-e52b5db87dba.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Musique De Table, Production I, I. Ouverture - Suite In E Minor For Two Flutes, Strings and B.C.: Rondeau
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 0xc29b5a19865c82a36f27ce214e99fb1c98bdd6077afce9f923201a2af464a966. 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/NLN580544272.
Musique De Table, Production I, I. Ouverture - Suite In E Minor For Two Flutes, Strings and B.C.: Loure
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59089a9670c78887550731d1d90e6e5d8bf4b9180dfa0ace4bbfe4edd1e8a607. 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/NLN580544273.
Musique De Table, Production I, I. Ouverture - Suite In E Minor For Two Flutes, Strings and B.C.: Passepied
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe749f6b6019b06fd1ad6d676df61c135404b2d481f29d0111177576740c66959. 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/NLN580544274.
Musique De Table, Production I, I. Ouverture - Suite In E Minor For Two Flutes, Strings and B.C.: Gigue
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40c2df03e84d707ec6732eaab3b8e1ff305ba85a08deb9e68a209324f4cd67f9. 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/NLN580544276.
Musique De Table, Production I, I. Ouverture - Suite In E Minor For Two Flutes, Strings and B.C.: Ouverture (Lentement-Vite-Lentement-Vite Lentement)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e43e784602e0ba4ccf3af817f3fced01d9ffd97e3b9a8f26228044d7ec543c4. Chain 2 (Bitcoin): anchored in block 960456 (2026-07-31T19:53:57Z), 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/NLN580544270.
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
Musique De Table, Production I, I. Ouverture - Suite In E Minor For Two Flutes, Strings and B.C.: Air. Un Peu Vivement
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bb8d8ee198aaa851f4e338de0efa6108f81d9dcaf5d1b0f264f3d39d694c99a. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/NLN580544275.
Sonata No. 1 in F Major, Op. 1: I. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27163ec8f31a122114285fd01b947e8239b5aeb6a8e12cce3788695c76576aab. 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/NLY331010913.
Sonata No. 1 in F Major, Op. 1: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4cfd7cc1ed0d5757b9a0d259732b9dfbc79d360b204c46cc6bcc926fbe40f4b. 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/NLY331010914.
Sonata No. 1 in F Major, Op. 1: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0355ef54d9eab5a3b47492b5efd4d5ab168d6666d2d664d92cb0abc43518bd86. 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/NLY331010915.
Sonata No. 1 in F Major, Op. 1: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f1522126e995ce5f72c8c21552a5e569c179b885bf702369775be70abc661b2. 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/NLY331010916.
Sonata No. 2 in E Minor, Op. 1: I. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2939754010f82c12c5e1ec49b82e37298d7ec0b0d045af4f14377e0c6efe4c2c. 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/NLY331010917.
Sonata No. 2 in E Minor, Op. 1: II. Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafa07d4fcd87fe912ff6cbf8bde86abc74e96e945bca222ec0f69ec139095ecd. 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/NLY331010918.
Sonata No. 2 in E Minor, Op. 1: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dedd915aae35beed4b56e62d96212eaa295e1348403aaba9a183755c98b67ec. 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/NLY331010919.
Sonata No. 2 in E Minor, Op. 1: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac0258f94eae1aac8c90b7428d18668cadf25c1e16782ac5fb69c1a14769f5f0. 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/NLY331010920.
Sonata No. 3 in A Major, Op. 1: I. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdf01937e722d06a60734e8e7abe0aa88091087a9c96e4b65b14de84c5ccc91b. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/NLY331010921.
Sonata No. 3 in A Major, Op. 1: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb55395734f2a5fc6398ce41c4c1ef1b19eaa6b397d5afdc73294a553686f66a5. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T09:02:27Z), 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/NLY331010922.
Sonata No. 3 in A Major, Op. 1: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa49e56b0612031750bd5c3e4cb71d7a1d4a28fbdebb1d413e784c32a3646b0e4. 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/NLY331010924.
Sonata No. 4 in A Minor, Op. 1: I. Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x749e9c18e8d1909d687cc9ddd8fe7493855ecd01b184dd728c173a11bd621f38. 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/NLY331010925.
Sonata No. 4 in A Minor, Op. 1: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a3b86cd708f4172e7af67c544afb59578c6734c4dd9df4d22085f330b378584. 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/NLY331010926.
Sonata No. 4 in A Minor, Op. 1: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcafbb10e6be0f49497e29ab102a71d64d7d075185a7fb20c68921975f1343218. 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/NLY331010927.
Sonata No. 5 in B-Flat Major, Op. 1: I. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7c1fbe3912519eb06a45eb349fca66bc883da4ce48162b88dd1f418148c7820. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/NLY331010929.
Sonata No. 5 in B-Flat Major, Op. 1: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77f60608099717c03f2d37a37ffc5000077bcef46e873c18970449f563ba0eb2. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/NLY331010930.
Sonata No. 5 in B-Flat Major, Op. 1: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7905be9e65cc04b9d32aa03a8b898547a2db70595d0a37ad63383b9320461c0c. 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/NLY331010932.
Sonata No. 6 in B Minor, Op. 1: I. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd46e3862e31f1e4d351e1031235486f5a15c6fda78b3bf2c3e8f29778b1a40ea. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/NLY331010933.
Sonata No. 6 in B Minor, Op. 1: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd693feccdd5e95a84789fd72e12f590e973f9d6ea0c2aaee20a7b9143d0e8826. 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/NLY331010935.
Sonata No. 7 in C Major, Op. 1: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d7edf9d21ebd55856733844f72b37a01292a657fde252c2788365ebc3681dbc. 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/NLY331010937.
Sonata No. 8 in C Minor, Op. 1: I. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa960a9bfbbd4aed00d301ee4ad6b9b24b7c28eebe3a261adcdf96625968eb43e. 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/NLY331010940.
Sonata No. 8 in C Minor, Op. 1: III. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0125e335b62df675051402ab14afc6343137402525220672942c05538e28ac9b. 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/NLY331010942.
Sonata No. 8 in C Minor, Op. 1: IV. Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41b60802a53f2cc30170d5315c5efb1968dc92212cbac136243afb6ac9afdd2b. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-21T17:17:59Z), 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/NLY331010943.
Sonata No. 9 in G Major, Op. 1: II. Adagio - Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd2967d1ccd4cc892be0afc4eac432ed2e21bd2bf3f56bcc13b8a4b8eb5fd1ed. 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/NLY331010945.
Sonata No. 9 in G Major, Op. 1: IV. Allegro - Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x600687197b34e9fa94c432688a6dead55287f01a5a51e279c53da081eb157063. 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/NLY331010947.
Sonata No. 10 in G Minor, Op. 1: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa09c2dd68fe46a23403592d37d49da05084bc01ac8d5decf21360d63df5d9c68. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/NLY331010950.
Sonata No. 11 in D Minor, Op. 1: I. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1250c040f85f0e2bb10dc53090a710b3a73ce38bf3b3dcbf691c9d6dd76ca07a. 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/NLY331010953.
Sonata No. 12 in D Major, Op. 1: III. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cafa1accbf2147e62f55cc57e0e461790e78602e54c5ce0ac5a35339d70b0a8. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/NLY331010959.
Sonata No. 12 in D Major, Op. 1: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf745d60bab0eaea4cecfcb3be63c5546f7e45bee8cfda3a034d3670902a74850. 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/NLY331010960.
Sonata No. 3 in A Major, Op. 1: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe449b6bb5a262a7a067fd6d2a4ca42abf26da003c64ce12cc90829b61c39a5e3. Chain 2 (Bitcoin): anchored in block 959145 (2026-07-22T15:39:05Z), 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/NLY331010923.
Sonata No. 5 in B-Flat Major, Op. 1: III. Adagio - Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bd2e139f24be0c770f8c9acbf24a4a5adb41831ab2dded1ff5270f51f1de383. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T14:03:35Z), 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/NLY331010931.
Sonata No. 6 in B Minor, Op. 1: II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf47d57028b125f27bf567604362549cf8f1d60cc606d9c80ec5d99eabe24fa1. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/NLY331010934.
Sonata No. 6 in B Minor, Op. 1: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaec5a79d3f3b4579caa443a7fe773422a39a8a09d07d3a32edc05b166a93b7d. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T14:03:35Z), 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/NLY331010936.
Sonata No. 7 in C Major, Op. 1: II. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x570c2d19afc8d93b757465ee6a519cc4cc2d628a9cf62be73fa2bdfcf8e409a8. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T20:08:56Z), 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/NLY331010938.
Sonata No. 7 in C Major, Op. 1: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cb9bbd8afb502c4c34ce19f1f2c78ca6a8307ac9147e155a99c88e75340e067. Chain 2 (Bitcoin): anchored in block 959155 (2026-07-22T16:43:41Z), 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/NLY331010939.
Sonata No. 8 in C Minor, Op. 1: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x520745b20ffb6f8c22e9092b9fa3e9453af8d4efd594e69cf5fe1439f4fae3cd. Chain 2 (Bitcoin): anchored in block 959134 (2026-07-22T13:34:27Z), 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/NLY331010941.
Sonata No. 4 in A Minor, Op. 1: IV. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3aeb9c0d05e4081c5ea719d3946819b687b5c95adec7df95beecb99f52d4ed3f. 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/NLY331010928.
Sonata No. 9 in G Major, Op. 1: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd2d9b58c9dec03d9aa85f56792e3de5a6fe62e0f1b17003de61e72853e16375. 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/NLY331010944.
Sonata No. 9 in G Major, Op. 1: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f6106ca30294220db9e743771729521218b07f1ea3422efab65a261e51b909d. Chain 2 (Bitcoin): anchored in block 960164 (2026-07-29T23:23:05Z), 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/NLY331010946.
Sonata No. 10 in G Minor, Op. 1: I. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33db34e1a977dcde911f941ec9ba8e5bf9db5b95100f3b02e496c0a4887f8b00. 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/NLY331010948.
Sonata No. 10 in G Minor, Op. 1: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20256200d4de7b485ee6d8f6c84c09cb653e4e6d4bddf7f636e854bf36a7e214. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/NLY331010949.
Sonata No. 10 in G Minor, Op. 1: IV. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c318fcdf5ba078402b1a84d1d5432a37ca972cd675f07e8630bc5a0b7ac3cde. 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/NLY331010951.
Sonata No. 10 in G Minor, Op. 1: V. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x807c7444db3dfb64e8d91a99377f3974eb4fa4ca8eab02a51006f41336181f12. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/NLY331010952.
Sonata No. 11 in D Minor, Op. 1: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x400c787b3fca980c0d8550b34b5effa41cadc0d0e07b9d498343fb45d650c9f1. 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/NLY331010954.
Sonata No. 11 in D Minor, Op. 1: III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83f2801c98a385af20bbee7dbe4c1294d4659e01e9c562349f94bb4dbf560146. 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/NLY331010955.
Sonata No. 11 in D Minor, Op. 1: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51b518907ba1786baf7151eb12dc5878732ee3ee976e11e019e58644ee227959. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/NLY331010956.
Sonata No. 12 in D Major, Op. 1: I. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0168d7fd23df0ce4a2b16d0fbfbd81059f217a8dbbdf1f9e6b61d5c304b2c40e. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/NLY331010957.
Sonata No. 12 in D Major, Op. 1: II. Largo e puntato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6be63250228fa5e3f1d8e877d00f1c5c756379860ed3d40d2a737187e069882d. 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/NLY331010958.
Sonata No. 1 in D Major, Op. 2: I. Preludio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05f9ce784308ece1c37d6b100ae02d7dfd5fd6ffdb08f84f02603ffe96db66c4. 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/NLY331010961.
Sonata No. 1 in D Major, Op. 2: II. Allemanda. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0db64bc83105d9f4391782249b0448c39a9dfe864a8b73e393929e8001b00a63. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/NLY331010962.
Sonate Da Chiesa A Trè, Opus III, Sonate 8 In C Major: Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08488396e65181584fffe071380ca5e36cb1a2279359d3d6b455d36ae8fc2d65. 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/NLN580560302.
Mozart: Quartets KV370 & KV421 - Sonata KV377