Tamás Vásáry (; 11 August 1933 – 5 February 2026) was a Hungarian concert pianist and conductor who made an international career, living in Switzerland from 1956 and later in London from 1970. He was
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 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 0x50f7057ce43876f314f5667f024596349bfbf770fb46fff2a7f36f3664518088. 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/a5a829d8-476f-43bf-9291-d66dbc60545c.json and https://artists.proofprofile.net/proofs/artist/a5a829d8-476f-43bf-9291-d66dbc60545c.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
24 Préludes, Op. 28: No. 15 in D-Flat Major: Sostenuto
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 0xbbf36e8d4220fbbff1d09bc9d560bf49e3941c1a3418a8324c2c6835a720201e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057530515 — a six-check JSON result.
12 Etudes, Op. 10: No. 3 in E Major "Tristesse"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6583293a71d4c8535175ca837ae87364ae3bcee2b820bb5440a7f8e973215c14. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056530103 — a six-check JSON result.
12 Etudes, Op. 10: No. 12. in C minor "Revolutionary"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a99a96fc478b13622bb3d4d7203a075d68874cdfa97ed48973c1101b83178b0. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA028502040 — a six-check JSON result.
Nocturne No. 2 In E-Flat Major, Op. 9 No. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cdf6f58fc79c0a91d6c565efde7f4b9e72ed73697f8500a9c50e796febf07be. Chain 2 (Bitcoin): anchored in block 960429 (2026-07-31T16:07:24Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500511 — a six-check JSON result.
Polonaise No. 6 in A-Flat Major, Op. 53 "Heroic": Maestoso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x914f2074b73d1eb4b3e9d1d7640c94cfe231274ef308a355f72aafa6543f3baf. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057900720 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36337fd925439baee5ba31c0ca5002735b3a5d0ccbdb0b1074a596d86518ebd3. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056502040 — a six-check JSON result.
Impromptu No. 4 In C Sharp Minor, Op. 66 "Fantaisie-Impromptu": Allegro agitato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x193abd12c446db5d5023d92a5a4aa36dbb39d9d9e21004e184d30952b20f4abd. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059403410 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3efdbec4b9150d1d0c13a719ff7a05438ed87d3dcc89d4bb423f52b0db205ca. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057530504 — a six-check JSON result.
12 Etudes, Op. 25: No. 1 in A-Flat Major "Harp Study"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39ef548ea13ec069b64da3387add915c15b1760d09237f5b79850917cf13f0cc. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056530201 — a six-check JSON result.
Mazurka No. 5 in B-Flat Major, Op. 7 No. 1: Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f56014d807dbd86e8ec674eb24fa06c6acebaeac4a2fb70ebe2c073c04d72fa. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500650 — a six-check JSON result.
Waltz No. 9 In A-Flat Major, Op. 69 No. 1 "Farewell"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bfada5631c3a5b2338f5e44482e20a3c2225742052be7c09ccb9f34b110ca02. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059002581 — a six-check JSON result.
Fifty Years of Hungaroton (1951-2001) - Conductors
Mozart: Piano Concertos Nos. 21 and 23 / Rondo in D Major
Vasary and Haebler Play Liszt and Mozart
Liszt: Piano Concerto No. 1, Tamas Vasary vs. John Ogdon (Compare 2 Versions)
Schumann: Carnaval - Romanze - Fantasie - Kinderszenen
Dohnanyi: Suite in F Minor / Konzertstuck / Symphonic Minutes
Chopin: 4 Ballades / Liszt: Piano Sonata in B Minor
Beethoven: Symphony No. 6 / Prometheus Overture
Beethoven: Symphony No. 3 / Egmont Overture
Beethoven: Symphonies Nos. 4 and 5 / Fidelio Overture
Beethoven: Symphonies Nos. 1 and 2 / Coriolan Overture
Beethoven: Moonlight Sonata / Chopin: Piano Music
Balassa: Valley of the Huns / Prince Csaba / Dances From Mucsa
Classical Climax: Dramatic Works of Debussy, Holst & Wagner
Felix Mendelssohn: The Scottish and Italian Symphonies
Mendelssohn: Symphonies Nos. 3 & 4 ('Scottish' & 'Italian')
Mozart: Concertos for Flute, Oboe & Bassoon
Waltz No. 6 In D Flat, Op. 64 No. 1 -"Minute": Molto vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb09f90bcfeb2c6f0603b3ccb6a4c2985f9d89abc4488ceb5542e58fe3c80a15. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500770 — a six-check JSON result.
Waltz No. 7 in C-Sharp Minor, Op. 64 No. 2: Tempo giusto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf2ec7cdcd04857d3d1717056db5c1d76245a39abdf957a031101c9d1cfaea1d. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500771 — a six-check JSON result.
Waltz No. 8 in A-Flat Major, Op. 64 No. 3: Moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3c05f77bf3db19cfb780945348f3ee40fa40683702480fff38682f735dbad29. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500772 — a six-check JSON result.
Waltz No. 9 in A-Flat Major, Op. 69 No. 1 "Farewell": Tempo di Valse
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ac3bd7c3d6046ea9577f12c67cfb14fc9d53a714ab8209fb3f1f9361be4da58. Chain 2 (Bitcoin): anchored in block 960276 (2026-07-30T16:01:17Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500780 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e76dc20c4e90d00c8e6207159ce1c2c1a14a8a085b833526ba1511c576a4925. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500620 — a six-check JSON result.
Mazurka No. 46 in C Major, Op. 67 No. 3: Allegretto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d11bf2f28898c676561626200dff70b57a9f368df744a2737853d43ba50c8e5. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500630 — a six-check JSON result.
Mazurka No. 49 In A Minor, Op. 68 No. 2: Lento
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57069dba41aa9effe4a5b2226885bc2a05cbe0f87987565018a4dbc44ada8b92. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500640 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb95ab86f536c0572f64e3fbc843193c3f7b9afc87b6c6977236a29c9cbf234b5. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055703630 — a six-check JSON result.
6 Consolations, S. 172: No. 3 In D Flat Major (Lento, placido)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x176629a112a9a09b577f9a33895cbff4107068aa88682d2b6f48a2e2abf684ed. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055703650 — a six-check JSON result.
Grandes Etudes de Paganini, S.141: No. 3 In G Sharp Minor ("La Campanella")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc0f018c3811ddffabd861fa743125d379a216d7e79790b2a09799f664c726a8. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055703670 — a six-check JSON result.
Hungarian Rhapsody No. 15 In A Minor, S.244 Rákóczy March
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c9bcce357d8233cd151d2cdfd401c92d61836f5f2de9bb6ad869ee767cc1b26. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055703680 — a six-check JSON result.
Waltz No. 2 in A-Flat Major, Op. 34 No. 1 "Valse brillante": Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26b5e086fd7672348a93d2dabc90aefac34fdbbd9637797060e0eb98db70bff1. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500750 — a six-check JSON result.
Waltz No. 3 in A Minor, Op. 34 No. 2: Lento
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x170d6b72e7ecc37888d05633ca713bc0aae316d0a0194be45ebd8470041bbcb9. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500751 — a six-check JSON result.
Waltz No. 4 in F Major, Op. 34 No. 3 "Grande valse brillante": Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x174bbef3817ce54175cb43e63fc4c369dd2c1b6c5ce64d6efdbff02a6716d5bc. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500752 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb09f90bcfeb2c6f0603b3ccb6a4c2985f9d89abc4488ceb5542e58fe3c80a15. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500770 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf2ec7cdcd04857d3d1717056db5c1d76245a39abdf957a031101c9d1cfaea1d. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500771 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3c05f77bf3db19cfb780945348f3ee40fa40683702480fff38682f735dbad29. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500772 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ac3bd7c3d6046ea9577f12c67cfb14fc9d53a714ab8209fb3f1f9361be4da58. Chain 2 (Bitcoin): anchored in block 960222 (2026-07-30T07:48:45Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500780 — a six-check JSON result.
Waltz No. 10 in B Minor, Op. 69 No. 2: Moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63b3d476ca8e3ecff791aebd1d6ffa1c45c9681b0f788d52687b5450c782948a. Chain 2 (Bitcoin): anchored in block 960191 (2026-07-30T01:51:26Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500781 — a six-check JSON result.
Waltz No. 12 in F Minor/A-Flat Major, Op. 70 No. 2: Tempo giusto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe71c862adcfd13091e102e0320dabd088cc452e6c1a13404256e84a88bd277e6. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500791 — a six-check JSON result.
Waltz No. 13 in D-Flat Major, Op. 70 No. 3: Moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc01c3a9cc08933703a35c88d4f9d1f1284f208e31e970bd9077ef2474cb11760. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500792 — a six-check JSON result.
Waltz No. 14 In E Minor, Op. Posth.: Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f17c9082486cd452db9ccc734980e9fc87dec5a46cd176f29fb0b420abb097e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500800 — a six-check JSON result.
Waltz No. 15 in E Major, Op. posth.: Tempo di Valse
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef385bcdff17e37cec8f437af0f56c2ceb1bf2ec600ac63c02ff98fa3cc1f525. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500810 — a six-check JSON result.
Waltz No. 17 in E-Flat Major, Op. posth.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c6f2470fd7690d83bb5a18ce4ed6e7811470632289753b1a94ce57fbb436439. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500830 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e76dc20c4e90d00c8e6207159ce1c2c1a14a8a085b833526ba1511c576a4925. Chain 2 (Bitcoin): anchored in block 957025 (2026-07-07T10:59:31Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500620 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d11bf2f28898c676561626200dff70b57a9f368df744a2737853d43ba50c8e5. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500630 — a six-check JSON result.
Rachmaninov: "Paganini" Rhapsody; 6 Preludes; "Corelli" Variations
Rhapsody on a Theme of Paganini, Op. 43: Introduction, Variation 1, 2, 3, 4, 5, 6
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x426878c8c204f0099715d11f701a63ed736c86fd206f37246e0bee860911fa1d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057701882 — a six-check JSON result.
Rhapsody on a Theme of Paganini, Op. 43: Variation 7, 8, 9, 10
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f9745bcdf49576651ce2f9fbb368f3c00576df12e1a7a02fca70421a00ce57c. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057701883 — a six-check JSON result.
Rhapsody on a Theme of Paganini, Op. 43: Variation 11, 12, 13, 14 und 15
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Rhapsody on a Theme of Paganini, Op. 43: Variation 16 und 17
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Rhapsody on a Theme of Paganini, Op. 43: Variation 18
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Rhapsody on a Theme of Paganini, Op. 43: Variation 19, 20, 21, 22, 23, 24
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Variations On A Theme Of Corelli, Op. 42: Thema. Andante - Variationen I-XX - Coda
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Prélude In C Sharp Minor, Op. 3, No. 2: Lento - Agitato - Tempo primo
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Prelude In B Minor, Op. 32, No. 10: Lento
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Chopin: Piano Concerto No.1, Op.11 & No.2, Op.21
Piano Concerto No. 1 in E Minor, Op. 11: II. Romance. Larghetto
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Chopin: 24 Préludes; Sonata No.2 "Marche funèbre"
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Piano Sonata No. 2 In B Flat Minor, Op. 35: 3. Marche funèbre (Lento)
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Die Schöpfung Hob. XXI:2 / Dritter Teil: No. 32 Chor: "Singt dem Herren alle Stimmen"
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Ave Maria, "Ellens Gesang III", D839 - Arr. Ion Marin
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Debussy: Préludes; Suite bergamasque; Pour le piano
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Préludes, Book 1, CD 125: VIII. La fille aux cheveux de lin
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Préludes, Book 1, CD 125: X. La cathédrale engloutie
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Préludes, Book 1, CD 125: XII. Minstrels
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Suite bergamasque, CD 82: III. Clair de lune
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2 Arabesques, CD 74: No. 1, Andante con moto
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2 Arabesques, CD 74: No. 2, Allegretto scherzande
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Sonata in D major, K381 (123a): II. Andante
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Chopin: Tamás Vásáry Plays the Great Works
Waltz No. 1 in E-Flat Major, Op. 18 "Grande valse brillante": Vivo
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Waltz No. 5 in A-Flat Major, Op. 42 "Grande valse"
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Waltz No. 11 in G-Flat Major, Op. 70 No. 1: Molto vivace
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Waltz No. 16 in A-Flat Major, Op. posth.
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Polonaise in A-Flat Major, Op. 53 "Heroic": Maestoso
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Introduction and Variations on a German National Air Op. posth. (KK 925-927)
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Introduction and Variations on a German National Air Op. posth. (KK 925-927) - Pt. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dd6236d15c18e0b9afdae90041afaa257bf1140d7a5f06bd9a357f2ccf69bbd. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056502061 — a six-check JSON result.
Introduction and Variations on a German National Air Op. posth. (KK 925-927) - Pt. 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce102f561d4a7ba48184abc5bbac9e8599eb05981abbe941f0fe16e09d7a8d2f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056502063 — a six-check JSON result.
Introduction and Variations on a German National Air Op. posth. (KK 925-927) - Pt. 4
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30299724653b8001869afb0c8988926a5b2a2e9493cf9a0f207ce66afb3aafaf. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056502064 — a six-check JSON result.
Introduction and Variations on a German National Air Op. posth. (KK 925-927) - Pt. 5
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x196cca2cba2ca4ae76780a74ffa35989d869f7d64d5bc5db07891e54fcf8e57f. Chain 2 (Bitcoin): anchored in block 960298 (2026-07-30T19:26:00Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056502065 — a six-check JSON result.
Waltz No. 7 in C-Sharp Minor, Op. 64 No. 2: Tempo giusto - Pt. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04caec887e014876ff7dc359a870e239fbd027db52e112542162c65cc043c375. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507111 — a six-check JSON result.
Waltz No. 7 in C-Sharp Minor, Op. 64 No. 2: Tempo giusto - Pt. 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cd19a93d4655f78b41cd9ae944796a715965475e2ae178c8501c9686baed876. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507113 — a six-check JSON result.
Ballade No. 1 in G Minor, Op. 23 - Pt. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb190b74aaf7cd65c0ddc1dccbc1ef282e10301a40ee5dd810b8ed83eff55a5e8. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507161 — a six-check JSON result.
Ballade No. 1 in G Minor, Op. 23 - Pt. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f2a879ca49b265bf19223c69f52cf466d0d5bf8a2aed67783588af9027a5ef7. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507162 — a six-check JSON result.
Ballade No. 1 in G Minor, Op. 23 - Pt. 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6713c4dfc1793fc0d7eb38d53ed034e97a8e8db1e286b7fe0c4cebc1fca7afa. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507163 — a six-check JSON result.
Ballade No. 1 in G Minor, Op. 23 - Pt. 4
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5999df22bd5bbd049500e6c439e89eadd638d71c4ca008b04f14d45a3df05187. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507164 — a six-check JSON result.
Ballade No. 1 in G Minor, Op. 23 - Pt. 5
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f0862465c5a1263ca8e9be0965cc6f030f39e03265e09b257bc22d2d30e0f00. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507165 — a six-check JSON result.
Ballade No. 1 in G Minor, Op. 23 - Pt. 7
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce1be100725d03efebcd252a15f975496b20cdbd50f06ce69f139602b456f674. Chain 2 (Bitcoin): anchored in block 960463 (2026-07-31T20:42:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507167 — a six-check JSON result.
Ballade No. 1 in G Minor, Op. 23 - Pt. 8
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42724646c716d486f7c5f9bc45de7af1fcddbe1effa7fb9e116e948e98e6a460. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507168 — a six-check JSON result.
Ballade No. 1 in G Minor, Op. 23 - Pt. 9
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa01adc15fe470b64345cf02277caebdc52583695471923c1329ef9d4454c21c4. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507169 — a six-check JSON result.
Ballade No. 1 in G Minor, Op. 23 - Pt. 10
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52173e1bcd444c89c7a2721b9a6e8cc84ad4204c687700d560445924723349c6. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507170 — a six-check JSON result.
Nocturne No. 1 in B-Flat Minor, Op. 9 No. 1 - Pt. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x659be700723f00acb1ed2aebad550ae2c4d6788c6d7de4cf13f6c346767ad312. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507171 — a six-check JSON result.
Nocturne No. 1 in B-Flat Minor, Op. 9 No. 1 - Pt. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12e4c11c66016722c3a03053601cfb8999a47d17deb641cef750c24347c0dcc5. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507172 — a six-check JSON result.
Nocturne No. 1 in B-Flat Minor, Op. 9 No. 1 - Pt. 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10781d2db4aea3f9b2de75b3df50005d48a59f7f7e09c7a9ac8ae5efd8d80612. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507173 — a six-check JSON result.
Nocturne No. 1 in B-Flat Minor, Op. 9 No. 1 - Pt. 4
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7007aca47cc0cf6cbb6d1e576cd43c5873cacbcf5fc52bb376c6319cfc4dba2. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507174 — a six-check JSON result.
Nocturne No. 1 in B-Flat Minor, Op. 9 No. 1 - Pt. 5
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30b9e49d9402b63beec9706211a92bfbabcd9c607f3c24c3de552242d538308c. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507175 — a six-check JSON result.
Nocturne No. 1 in B-Flat Minor, Op. 9 No. 1 - Pt. 6
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22edf3e35c4362eba31a4c8a6b05dc5fbaa26dcd250e6739196280989303ef66. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507176 — a six-check JSON result.
Nocturne No. 1 in B-Flat Minor, Op. 9 No. 1 - Pt. 7
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b089802e59e767f84f40303ea6a0ad5220b97722f1ab844325d1cd35adc7c9d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507177 — a six-check JSON result.
Nocturne No. 2 in E-Flat Major, Op. 9 No. 2 - Pt. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x840780268d8e3ebc41d2170ce1ebb8119bc6fdfb0d8fed0de0c6ce00c62e0c1b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507181 — a six-check JSON result.
Nocturne No. 2 in E-Flat Major, Op. 9 No. 2 - Pt. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9751a3615ac51d7b3c01949ceeeac76f1c1dcd8b5d072aef3a4cb2dbdb163144. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507182 — a six-check JSON result.
Liszt: Piano Concertos Nos. 1 & 2 (Stereo Version)
Liszt: Concertos pour piano, Légende No. 2 & Étude d'après Paganini No. 2 (Mono Version)
12 Etudes, Op. 25: No. 9 In G-Flat Major "Butterfly Wings"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35e9333204ce33384bbde77c87dce384bf336c2c595acdd00080af466acbf325. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056530209 — a six-check JSON result.