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 0x4a5daff01dd82c7c25e7dc1829693be3492a3489268443975314d2286e081dd8. Chain 2 (Bitcoin): anchored in block 953817 (2026-06-15T18:10:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fa58c947-9b34-4ede-931b-cc5f1139015a.json and https://artists.proofprofile.net/proofs/artist/fa58c947-9b34-4ede-931b-cc5f1139015a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Virtuoso Organist. Music for Special Occasions at the Organ of Coventry Cathedral. Widor, Saint-Saëns, Bach, Vierne, Verdi...
Widor: Organ Symphony No. 1 in C Minor, Op. 13 No. 1: V. Marche pontificale
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 0xb6e65a3b0acb51fa789e069c2744af04446f3495c3735228b05083567a16e7c2. 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/GBAYC8905883.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18812857cb7dcafd2b4645db80604e7f09c606391a1afe498248115cdf60cbb6. 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/GBAYC8905888.
Hollins: Concert Overture No. 2 in C Minor
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79b934170772f47098e257ae733a07965138e639e6875889e03a53106565beaf. 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/GBAYC8905891.
Bach, JS: Toccata and Fugue in D Minor, BWV 565: Fugue
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaafdb9f8b2b21bfdc03f0b312d0457284f8f0f2f2af520ab1f5ec15ae99ed72. 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/GBAYC8905894.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09c891f0a1d6e91bdb59410ea9e5909fceab21d2a3fbf9c6b2254b1455f0161c. 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/GBAYC8905898.
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
Schmidt: Symphony No. 4 - Variations on a Hussar's Song
Schmidt, F.: Symphony No. 2 / Fuga Solemnis
Schmidt, F.: Symphony No. 1 / Notre Dame, Act I: Introduction, Interlude and Carnival Music
Symphony No. 3 in C Minor, Op. 78 "Organ Symphony": Ia. Adagio – Allegro moderato –
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x650e2426d0a3e3514ead60be497b846864bb144a1654c60747c9449cb22f7c53. 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/DEF058100971.
Symphony No. 3 in C Minor, Op. 78 "Organ Symphony": IIa. Allegro moderato – Presto –
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97a8bf84193aa281346c32908720ad7088332a3b1084a23063905a572842b104. 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/DEF058100973.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77745ded143b7a6b127e03007e0b36a71c2ed6a6f3cbad1e85567e39850eee54. 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/DEF056701300.
Verklärte Nacht, Op. 4 (Version for String Orchestra): I. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1a55f1727c8728c9d3283b47682767fbc79d60e0ec07ee439e074efcabcf196. 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/DEF057301571.
Verklärte Nacht, Op. 4 (Version for String Orchestra): III. Pesante (Bar 201)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b32e0a813f9bef594d74bb124c731f9e2e00d17921718cd891ed50d54807c2e. 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/DEF057301573.
Verklärte Nacht, Op. 4 (Version for String Orchestra): V. Adagio (Bar 370)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84c0e0c2aaa91cdb3bba5531413c4275943e3d0bfb08853a584d8650f2c4bf9c. 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/DEF057301575.
Pelleas und Melisande, Op. 5: I. Die Achtel ein wenig bewegt – zögernd
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c30d4c19423312d58ab9af0d35b1eee1514354207dc8ed530bb0743887f8933. 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/DEF057402491.
Pelleas und Melisande, Op. 5: II. Heftig
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc985ba1c8b15865481f0fd24e1171dede9cd444ed53a34a95081e390da7c045. 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/DEF057402492.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6418c78b46028ef8fbb538957f1bacb5df855bb02af77657c21484f6c13e4614. 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/DERK62354402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8afc87fb821adf19aa80b358c10afced3d815d0df3845df9eb8e285e0f8ef260. 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/DERK62354413.
Symphony No. 2 in E-Flat Major: III. Finale. Langsam
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ec98d2f3d6cf6690569b19da7e886627f276a238b2f560bbcae071d4d388093. 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/DERK62354407.
Symphony No. 1 in E Major: I. Sehr langsam - Sehr lebhaft
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3760e69268236b531faadc297c44d49d2421677820f9a04282da9f9fef7c50b7. 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/DERK62354401.
Symphony No. 2 in E-Flat Major: I. Lebhaft
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d5d65ffea4093999cf0c9c9c4a0fbf24139b4d006eb23810a160a71961572b7. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/DERK62354405.
Symphony No. 4 in C Major: I. Allegro molto moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84797eeade06b7eefe4fd0c516307295339c5fa4f5254d2768e0234d6d9d9718. 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/DERK62354412.
Symphony No. 1 in E Major: III. Schnell und leicht
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x410cb4b1cdaaa08888bb88c2bea12c47f63ab22f7099a6c8495fa7c34185eacf. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/DERK62354403.
Symphony No. 1 in E Major: IV. Lebhaft, doch nicht zu schnell
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5a63d7dd0f58f2c96c41f59ffab391a47104b31509241769a59e480f7b357d7. 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/DERK62354404.
Symphony No. 4 in C Major: IV. Tempo primo un poco sostenuto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5311ef934e20e8d7f1d8ec22a51d972d0929d92aa5ddaf8d35037077bc1724a3. 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/DERK62354415.
Œuvres pour la main gauche - Anthologie, Vol. 10
Schmidt: Symphony No. 4 - Stephan: Music for Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe0b905157be9e14436cfe75d2c9b1af099254c08407d694f57a2a9871cbc0eb. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T08:41:42Z), 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/DESR72035118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e62c435c15b0098cf0d3cb3fa21922beac4c1986c39f652bb8748e8c2fdeaf1. 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/DESR72035119.
Symphony No. 4 in C Major: IV. Tempo primo (Allegro molto moderato) un poco sostenuto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x486e1dd10185bb285aa2a3f8a4af60341de80a5212f74d5ed943555c8a872d5e. Chain 2 (Bitcoin): anchored in block 957039 (2026-07-07T12:58:18Z), 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/DESR72035121.
Symphony No. 4 in C Major: III. Molto vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe752a48a4b3c208ae176450f5bf16bc4659d30e907005837ed90d275aa24f10e. 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/DESR72035120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadc3342f362a073137e50485e1a2174b12857149c55b22923cb0d5e7b621dc05. 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/DESR72035122.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x979457cbffd08128cd16b50f40ed50e91d32c72caba86ae4aeb9429b2c1db47f. 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/DEN961702381.
Symphony No. 2 in E Flat Major: II. Allegretto con variazioni. Einfach und zart
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cfb5e0e226cff6fee1edaae99268989724b9981877df43c87dae2903b9b4403. 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/DEN961305222.
Symphony No. 2 in E Flat Major: III. Finale. Langsam
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b6c97f5aa2a767036d8d4501b994c12504d8e96ef1bb5f71e39c65b3fa42666. 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/DEN961305223.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x155e156e868ebd4dc7e63953a8202d705dc60f89bab0e9f3eb46288ab59f319b. 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/DEN961803680.
Symphony No. 3 in A Major: I. Allegro molto moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd76a67dc4995211ed4c2dbce62ed7fcc3b02bf11fd87df237a5c34d57c585a0f. 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/DEN961404561.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dfa9f0dec436ffdfafef0a782064104c49b8abfb6965cbf086f2b47058869f9. 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/DEN961404562.
Symphony No. 3 in A Major: III. Scherzo. Allegro vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfab9b40d91f7061c3c2fd5bb35d32127c6fe148d26092ce219e3317b2669f0bb. 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/DEN961404563.
Symphony No. 3 in A Major: IV. Lento - Allegro vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd462fb8b23d4effeb830382b5180b9963a8a32620c87a1541e081d64f2a3cbf6. 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/DEN961404564.
Symphony No. 4 in C Major: II. Adagio - Piu lento - Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc18c63c5b6b0356fb75cb39556ac4fd35d0ebb03ac29aad6d2595815de7604ca. 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/DEN961803692.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17e69f30b3ff4ae13ed4024c2fd463b142bd58d4ac2c97499312f54ea13be113. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/DEN961702382.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b1268a048f36d69f212d21ed6a24f6c92a1fe0da86dcec89c1e9e3916fdcc06. 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/DEN961702383.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d63c6750cae092344acc92b7bca854628a946b846488b363259cda830a97649. 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/DEN961702384.
Symphony No. 2 in E Flat Major: I. Lebhaft
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6efee08fe5f9a4e085a87900575658707e213769c039be13fc62f21cb348e49a. Chain 2 (Bitcoin): anchored in block 960288 (2026-07-30T17:41:38Z), 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/DEN961305221.
Symphony No. 4 in C Major: I. Allegro molto moderato - Passionato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4c2c7a0c3fbb920a4ddbc238e47664ecb5201ebabaf7c5431fceeb7d4072938. Chain 2 (Bitcoin): anchored in block 960193 (2026-07-30T02:05:19Z), 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/DEN961803691.
Symphony No. 4 in C Major: III. Molto Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x556fafd9ef1d3c83e96465294885f2e443915ee08376133204ed9b4a2baf9c35. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/DEN961803693.
Symphony No. 4 in C Major: IV. Tempo primo un poco sostenuto - Passionato - Tempo primo. Allegro molto moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f22228b6291e2b9cce103c7ecca6e650a52996dfc937a387bdf1c2a2c7b68bd. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/DEN961803694.
Schmidt: Variations on a Hussar's Song, Fantasia & Chaconne
Schmidt: Quintet in A Major for Piano Left Hand
Schmidt: Das Buch mit sieben Siegeln (The Book with Seven Seals)
Schmidt: Works for Piano Left Hand and Orchestra
Schmidt: Buch Mit Sieben Siegeln (Das) (The Book With Seven Seals)
Schmidt, F.: Organ Music, Vol. 3 - Phantasie Und Fuge / Das Buch Mit Sieben Siegeln / Toccata Und Fuge in A Major
Schmidt, F.: Organ Music (Complete), Vol. 2 - Kleine Praludien Und Fugen / Der Heiland Ist Erstanden / Haydns Gott Erhalte
Schmidt, F.: Organ Music (Complete), Vol. 1 - 4 Kleine Choralvorspiele / Chaconne / Variationen Und Fuge Uber Ein Eigenes Thema
Schmidt: Beethoven Variations - Piano Concerto
Schmidt: Symphony No. 4 - Strauss: Symphonic Fragments
Schmidt: Symphony No.4 / Variations on a Hussar's Song
Symphony No. 4: Adagio - più lento - Adagio -
London Philharmonic Orchestra/Franz Welser-Möst/Robert Truman
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Schmidt: Clarinet Quintet In B Flat Major/Romance
Schmidt, F.: Symphony No. 1 / Notre Dame
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77745ded143b7a6b127e03007e0b36a71c2ed6a6f3cbad1e85567e39850eee54. 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/DEF056701300.