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 0xa75227bc00164273ee1396eefab420aebb81316055302b4c247296c2ce5ea31f. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a4493fa4-8461-4a45-b8b6-39db05678418.json and https://artists.proofprofile.net/proofs/artist/a4493fa4-8461-4a45-b8b6-39db05678418.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Boccherini: Complete Violin Sonatas, Vol. 1
Sonata No. 1 in B-Flat Major, G.25: II. Adagio
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 0xa38a59ba8040d133d20a505da5efd72192ec1d715bc8d0a85f68d60e28a266b9. 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/NLY332204011.
Concerto grosso in F Major, Op. 1: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7499a443d86c8118193096ed9f046aaec5bc0115e1d85e9d3aa35e56176ec272. 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/NLY331404380.
Concerto grosso in F Major, Op. 1: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d64087f01881f0b0eb6f790894e0837a600705cf508ed26aa19f562e23fa5c1. 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/NLY331404382.
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
Concerto grosso in F Major, Op. 1: V. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa36a1470168611ef43894f1a8c9fa4b72bda978ac26113a697edb4bfb8b1b590. 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/NLY331404384.
Concerto grosso in C Minor, Op. 1: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c46ef8cf3f703b4d3c784a7f25ee4ae82f5f589755aa0fe0b6ed6944faf1f49. 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/NLY331404386.
Concerto grosso in B-Flat Major, Op. 1: I. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb173cf992899d1d1dee0154fbb0b6a97a75e43b6019c3d94d1cc571c17059f67. 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/NLY331404390.
Concerto grosso in B-Flat Major, Op. 1: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f275833eb4d1a4f7798560729fb1f0dc78db90ab783915d8dd267f8d1583564. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/NLY331404391.
Concerto grosso in E Minor, Op. 1: I. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19ec2b86c4a8a83ab479751c904a3d76f252f58a63f0ec815499090a2b1c2ad1. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/NLY331404395.
Concerto in C Major, Op. 3 No. 5: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac5c00eb945b582d736b62506ea61acdbe90a9737a777cbe4c4c5538a68e08d0. 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/NLY331509319.
Concerto in C Major, Op. 3 No. 5: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1695e8bed88bd4e84b87b635e18fa797020e97f5681e1b92ec3d69db20093a1. 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/NLY331509321.
Concerto in E Major, Op. 3 No. 4: I. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd45b9dc50351e35afe9a3dafc54fc552d732740c6ac7018d65c9f8855e8c41f0. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/NLY331509314.
Concerto in E Major, Op. 3 No. 4: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f45b3f2ab22a5223a79d5b7e220ddaf62baa33987f612cf395e8b048c364c6a. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/NLY331509315.
Concerto in E Major, Op. 3 No. 4: III. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e220c2db4a69849b5a701621ad30ca6da6f75a16ff098ef4c13058115f712e4. 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/NLY331509316.
Concerto in E Major, Op. 3 No. 4: IV. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41ce259038364cc4376703bdccc92374c30412596ad28002b969ef129a354343. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/NLY331509317.
Concerto in G Minor, Op. 3 No. 6: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf45f8f6090144c7fa0e892af2fed74dec2134aefb300c65b2159b7e1689c5bd8. 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/NLY331509323.
Locatelli: L'arte del violino, Complete Violin Concertos
Sonata in F Major, Op. 6 No. 2: III. Aria. Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9a669995bc4de893a016737383058cd03a11af26c6495669a500f25162e8e84. 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/NLY331213507.
Sonata in B Major, Op. 6 No. 3: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x946dbc614c3209017e979d92d7710d73e2ce9c1bcd987d003f1203829d011127. 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/NLY331213509.
Sonata in C Minor, Op. 6 No. 5: I. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf291c9a667b583a37504dedb0d1669eb2acc3478f89cd6f113325e76cffa350. 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/NLY331213514.
Sonata in C Minor, Op. 6 No. 5: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3ef9eac70e9d70b40ee64a52687ed3911d61d6617e627be24bd1b5aae3bfe9f. 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/NLY331213515.
Sonata in C Minor, Op. 6 No. 5: III. Aria. Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5db14a51d223364d59c0c898aab2bd9fa75d9d394366ee296e6943567adcae2. 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/NLY331213516.
Sonata in D Major, Op. 6 No. 6: I. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f3a564e2190242788b42ae4bd4e5a87805e1c9c20b9394f3bdc531de80a52ce. 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/NLY331213517.
Sonata in D Major, Op. 6 No. 6: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa57fe3bea95f5c8f836969439a38df5b6c10ca975f4d7a91228de06ae7505e65. 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/NLY331213518.
Sonata in D Major, Op. 6 No. 6: IV. Aria. Menuetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dc364b697b9937da420fa9389446b67672033e82e66369d1733ffa4904b8b05. 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/NLY331213520.
Sonata in C Major, Op. 6 No. 8: IV. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30fabd608cc80319ce61f62c05883f8be9a7e5458470e6f9a86ba3fe618a8e52. 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/NLY331213527.
Sonata in E-Flat Major, Op. 6 No. 11: I. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dc02f9956fd1e6c39edc84576b750d19be90dc334231df1aa609043b41308bd. 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/NLY331213534.
Sonata in D Minor, Op. 6 No. 12: I. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe396b27650128e04c36c9cad2e6a68922851c766554aaead55f12a7e088a714. 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/NLY331213537.
Sonata in F Major, Op. 8 No. 1: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fcef92fa78359f446bf884a595a77c976eb12e949340c85d2d4f0aa0159ed1b. 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/NLY331213548.
Sonata in D Major, Op. 8 No. 2: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c2ba2f95d8d11a6091501299310d7f15687fcd1b793a0115fd42f0c5af26939. 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/NLY331213550.
Sonata in D Major, Op. 8 No. 2: III. Presto - Lento
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x968f3a1170d88e74f3acc14470482e9bca707158fa3783847dcffafbe531288c. 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/NLY331213551.
Sonata in B-Flat Major, Op. 6 No. 1: I. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1404eac294b385d60feae05182135067d928048c669ed93fa50ae2d0728ebf96. Chain 2 (Bitcoin): anchored in block 960354 (2026-07-31T05:48:18Z), 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/NLY331213502.
Sonata in B-Flat Major, Op. 6 No. 1: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79fba84cd0e10c78dc2f90a5b325002978a95b8529c436eb8abfff521572710a. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/NLY331213503.
Sonata in B-Flat Major, Op. 6 No. 1: III. Aria. Cantabile
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea331e40848f65ebe83ed6037c732573a6049c043ab5a9023ef2bc0b3378c301. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/NLY331213504.
Sonata in F Major, Op. 6 No. 2: I. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dbdbb82955c1681b5a61a5b6eccfa0e375635f34b2848bd30f9336fc56762d9. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/NLY331213505.
Sonata in B Major, Op. 6 No. 3: I. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x966f87b0645163f17103518bafcda3d1fbed49e36a0d2b21fe3bc51cfe12f687. Chain 2 (Bitcoin): anchored in block 960430 (2026-07-31T16:09:41Z), 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/NLY331213508.
Sonata in B Major, Op. 6 No. 3: III. Aria. Menuetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa735c6fdbbc2d8e796dbafed8dad7f967739b07b471680a71fbce95eac6f456d. 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/NLY331213510.
Sonata in E Major, Op. 6 No. 4: I. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89294a131e1330575974f4203db9fb4c699e54c0550952a678f44ccab0f02106. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/NLY331213511.
Sonata in E Major, Op. 6 No. 4: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb802d7fccf67c8c59433e0da196bddf8b356b88db6d2f755b888643673b81005. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/NLY331213512.
Sonata in E Major, Op. 6 No. 4: III. Aria. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3850e4c4432fe9fed0e5ba97e949633d1b2044a59f2ea1a6a5f3dbb669c8e4f6. 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/NLY331213513.
Sonata in D Major, Op. 6 No. 6: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dcfed615e8867d9d5a0ce94335bb46adb1b195d797ea2021f79babd89db9360. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), 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/NLY331213519.
Sonata in F Minor, Op. 6 No. 7: I. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x641761cea1224a6eb49f7bcf9a3320ed02f3e8e2e8348a1c4444b23ab9e483e7. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/NLY331213521.
Sonata in F Minor, Op. 6 No. 7: III. Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dbd2207ea348b895bc74772b0759aae3a5d491d3c776fec070ba17420226311. 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/NLY331213523.
Sonata in F Minor, Op. 6 No. 7: IV. Aria. Cantabile
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44ff16fed9153077e95ad8df61d78ad3bde28e95a65c23de3e02c00e41e53ec8. 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/NLY331213524.
Sonata in C Major, Op. 6 No. 8: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bcd40c0e68c599023fcdce0fa4371760a9100c1335ab0909c3d5b6273e9aa45. 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/NLY331213526.
Sonata in B Minor, Op. 6 No. 9: II. Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9bc3a08831ec473d233a2f0bd97a62a00bc3419187fc8f6e3fc04cf9646c786. 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/NLY331213529.
Sonata in B Minor, Op. 6 No. 9: III. Aria. Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe88785ae22b9bad4877216514c43be8a90a43a0eb85d1876ac9901d8b1984fff. Chain 2 (Bitcoin): anchored in block 960435 (2026-07-31T16:33:26Z), 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/NLY331213530.
Sonata in G Major, Op. 6 No. 10: I. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4778c23930ddb2c3b632e6fb0622dab06a0be8648cfce2bd29e8eb1b0949810c. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), 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/NLY331213531.
Sonata in G Major, Op. 6 No. 10: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb55a7a3d985c1cf4a4f097c99f51f6b74b8bd14d47c0e8c9feeeb1889a06b89c. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/NLY331213532.
Sonata in G Major, Op. 6 No. 10: III. Aria. Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30d9f8aeb3642291e1f7ffe95830f9f3522c8965d23bad5cd9179499e34cdafe. 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/NLY331213533.
Sonata in E-Flat Major, Op. 6 No. 11: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb522cbd84be9d9a27ce1a1b0d802efc1a6e013bf64b844aaf1f4496a253147ae. 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/NLY331213535.
Sonata in E-Flat Major, Op. 6 No. 11: III. Aria. Cantabile
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06a67b05ffb411f7dbe62a2cd89b78a43d20db344cc1f9dd5477ae99e3341af8. 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/NLY331213536.
Sonata in D Minor, Op. 6 No. 12: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbfe8aa5848145da7705bfe1fcdde776f5ba13edb49ed69a27a7baf54ca9970d. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/NLY331213538.
Sonata in D Minor, Op. 6 No. 12: III. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd2720b5889221e7f941e57fb069084c20f208ff4951c082650202dbef31dab3. 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/NLY331213539.
Sonata in D Minor, Op. 6 No. 12: IV. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96d28f5102c93228ed7c6705bc7473772d27290ea96485fc19b7ce5e0f75ea0c. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/NLY331213540.
Sonata in F Major, Op. 8 No. 1: I. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x254224fe5e77a8d8fbade4480a5f30550dc834a77ec156818d75751db74ce3bf. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/NLY331213546.
Sonata in F Major, Op. 8 No. 1: II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2462d24ed412b6c772242011ba9b6f4083db6c4a5cae9779a44baef5a94e7d7f. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/NLY331213547.
Sonata in D Major, Op. 8 No. 2: I. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba985562cefbce6efb4b38a58d8cf48fa9c10286209b19804e0b74a789355d7f. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/NLY331213549.