Gábor Takács-Nagy (born 17 April 1956International Who's Who in Classical Music (25th edition). Routledge (London), p. 807 (2009) (). in Budapest) is a Hungarian violinist and conductor. He began viol
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 0x3eba3f241ce7c789e561dac5fe72d53b32b3abbd4766208c61e4d6b45c51eac9. 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/8c23cf1d-5c6b-48ae-9a34-b747afcfbf4f.json and https://artists.proofprofile.net/proofs/artist/8c23cf1d-5c6b-48ae-9a34-b747afcfbf4f.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Symphony No. 6 in F Major, Op. 68 "Pastoral": III. Lustiges Zusammensein der Landleute. Allegro - Live
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 0x5287696970af9ac1ae0da7961629ed1097bfd297eca0ca45ac20b7f69f130950. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), registered by our 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/DEN962203173 — a six-check JSON result.
Symphony No. 7 in A Major, Op. 92: II. Allegretto - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb82fd39344b4c0ab05c0d4636556335247ae28f7edd1d18dfb1156f1e3216944. 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/DEN962203182 — a six-check JSON result.
Suite for Cello and Orchestra: I. Prelude (Intermezzo) [After C. Debussy]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda5a1ce31f2bc1387a31f353bb01bd877fd28638ccd5606c2fab5cbe0feebd82. 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/SEAER1082010 — a six-check JSON result.
Suite for Cello and Orchestra: II. Reverie (after C. Debussy) [After C. Debussy]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51dfc8e002f7f4ae2e21a0e09d1c5dee51c4889b5efe139ae8802dc753d11448. 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/SEAER1082020 — a six-check JSON result.
Suite for Cello and Orchestra: IV. Nocturne (after C. Debussy's Nuit d'etoiles) [After C. Debussy]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaa558e8f415ad8411447566a5ad4cb3bdaf116534522134a6dbd546267c6a00. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/SEAER1082040 — a six-check JSON result.
2 Mélodies hébraïques: No. 1, Kaddisch (R. Tognetti for cello and orchestra)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e8a62c30f99cec0fb54ceb27aaf0f48fc92eecf1979d8285213702ff2fad9ed. 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/SEAER1082060 — a six-check JSON result.
2 Mélodies hébraïques: No. 2, L'enigme eternelle (the eternal enigma) [R. Tognetti for cello and orchestra]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x382dca5a6fcc8d4efe12514d5e0c7f07fb8a35e0f28c92abfaa6b6a4e814ee6e. 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/SEAER1082070 — a six-check JSON result.
From Jewish Life: III. Jewish Song (Arr. C. Palmer)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07500ce5c45ed4da8cebe0066e2485fca8beb64868de95b453393689d2e1ba14. 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/SEAER1082110 — a six-check JSON result.
From Jewish Life: II. Supplication (Arr. C. Palmer)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae06d52c37341f2afe4b690342d8b4126d9046eb5f87cb96b0dbc07d5904b08d. 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/SEAER1082120 — a six-check JSON result.
From Jewish Life: I. Prayer (Arr. C. Palmer)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90548aca28602d68fd67d7e738eea9f28088cf2e1ba9ba5ae16f3a99bfa91b95. 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/SEAER1082130 — a six-check JSON result.
Live at Victoria-Hall Geneva, 2 March 2021
Symphony No. 29 in A, K.201: 1. Allegro moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba5ea9914497645333ae8056b8d327157b8a9f83e3c12ad67787cdc774bd01eb. 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/DEF058402775 — a six-check JSON result.
Le nozze di Figaro, K.492 / Act 3: Cosa mi narri?...Che soave zeffiretto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcb8fe48bab1621cbb42666b37c533cd64ef31519e84b7fae8372f7fd89b3f87. 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/DEF056830234 — a six-check JSON result.
Mass in C minor, K.427 "Grosse Messe": 1. Kyrie
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e1f6498b4a9767ec8a68dc800ca96010f80d424e24c9ba769d9c2cd880de9c4. 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/NLA507101340 — a six-check JSON result.
Veress: Violin Sonatas Nos. 1 and 2 / Jozsef Songs / Nogradi Recruiting Dance / Cukaszoke Csardas
Verbier Festival - 25 Years of Excellence
Folk Songs: 1. Black is the Colour (USA) (Arr. for Orchestra) - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b5f354859e40b22a3696dda88c6b002f186095323fc19e92d133cc59994f682. 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/DEN960533400 — a six-check JSON result.
Piano Concerto No. 1 in G Minor, Op. 25: I. Molto allegro con fuoco - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa98533cf404a346ca69554887131b0044ab56326e0eac3e0ce8aa58197ba8d60. 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/DEN960902821 — a six-check JSON result.
Piano Concerto No. 1 in G Minor, Op. 41: II. Andante - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84fc6e571a66a8512bf6048d8c87e6f42fe72d90be83910f177e0918658c1961. 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/DEN960902822 — a six-check JSON result.
Piano Concerto No. 1 in G Minor, Op. 57: III. Presto – Molto allegro e vivace - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9ca0902139fa706f2304357b4e1802dde244727829eec79d68a9646eb19ca0f. 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/DEN960902823 — a six-check JSON result.
Suite for Piano and Orchestra: 1. Snowflakes. Allegro vivace - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6126f64396884f32813000d40a2be52bb90bb1a649bee22367811c826ac63cd8. 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/DEN961305181 — a six-check JSON result.
Suite for Piano and Orchestra: 2. Lyrical Waltz - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c55da5c35ed8f71e6d1efe55b4f9d09a342c869209774b1dd6d07e3c872afcb. 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/DEN961305182 — a six-check JSON result.
Suite for Piano and Orchestra: 3. Polka - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b4d958f345dbeea48cb57f95abbd542f6a868bc10b589c96b84fd027dd5d7cb. 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/DEN961305183 — a six-check JSON result.
Suite for Piano and Orchestra: 4. Career. Presto - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fc50eebaa64fb9a9543642b7357abee9b6d1ffa17a4ab6ed8da7465ab5d8487. 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/DEN961305184 — a six-check JSON result.
Piano Trio No. 1 in B Major, Op. 8: 1. Allegro con brio - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31a975f45cd490aa764f2d68eec0810aec9c00967b0ba393c0d05caf6c0a2818. 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/DEN961502471 — a six-check JSON result.
Piano Trio No. 1 in B Major, Op. 8: 3. Adagio - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c29fd20b91f26d094283dab76199b81112298bc3cfd651c5f94ddca106fb766. 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/DEN961502473 — a six-check JSON result.
Piano Quintet in A Major, Op. 81, B. 155: III. Scherzo (Furiant). Molto vivace - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2aa643a9e52b516962c72a4ed4433cff503bcd67be65c5c13b9ff6489d6de61. 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/DEN960402193 — a six-check JSON result.
Die Walküre, WWV 86B / Act 3: "Leb wohl, du kühnes, herrliches Kind" - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0044f9b2140b221d8c54ce23e642ef8743b5fb2d7bf80fb8cd5912ceb914814c. 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/DEN961331012 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3430b3eac33218c023205e7cd774cabdc6c4835534978e1cd554308a30a2f15. Chain 2 (Bitcoin): anchored in block 960218 (2026-07-30T06:57:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD2406001 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe682cb5957daa35005c83d6eefb95289e4aa8e6209ff3a8a981e2803ea107c49. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD2406002 — a six-check JSON result.
Piano Concerto No. 1 in F Major, K. 37: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16342b2940e4fc13cd7c6f97309e52261aa3d45db5e55f6630298bbced797e25. 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/GBLWD2406003 — a six-check JSON result.
Piano Concerto No. 1 in F Major, K. 37: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f798296c06e5a5aa866cc621a1bfba73c91fe5d5f11626107deec36c75f7940. 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/GBLWD2406004 — a six-check JSON result.
Piano Concerto No. 1 in F Major, K. 37: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c1b77499820cefd707724ae0165cf7154d6c82a0bcd1834c6f09d84103c3a0c. Chain 2 (Bitcoin): anchored in block 960231 (2026-07-30T08:33:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD2406005 — a six-check JSON result.
Piano Concerto No. 2 in B-Flat Major, K. 39: I. Allegro spiritoso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x658cb0bb8c6696b5438046dfb95f62ca37877099450b26ad8a485ff9c54a21f9. 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/GBLWD2406006 — a six-check JSON result.
Piano Concerto No. 2 in B-Flat Major, K. 39: II. Andante staccato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38cd7a063bcbe47c95073437972a6acfa751adaa3f84150f2e0b158cf90f60af. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD2406007 — a six-check JSON result.
Piano Concerto No. 2 in B-Flat Major, K. 39: III. Molto allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c45e8cee4e7459ea5d2b9c9e1f097f3c52a4627124af2c83506b2d03023fa2a. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD2406008 — a six-check JSON result.
Piano Concerto No. 3 in D Major, K. 40: I. Allegro maestoso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8ffb082c606b0f3f25c9410670d73a614b0a66c6e199cbd1c78c8d1b8ef137d. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/GBLWD2406009 — a six-check JSON result.
Piano Concerto No. 3 in D Major, K. 40: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3de17202b9b058c8761a142fb168a19e14c4abe6ca0191feee1b7b658d4f075. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), registered by our 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/GBLWD2406010 — a six-check JSON result.
Piano Concerto No. 3 in D Major, K. 40: III. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4416ba96a03794679642e02e7c20191a64ad1ada85ef032d6012035554270d0b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD2406011 — a six-check JSON result.
Piano Concerto No. 4 in G Major, K. 41: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffb30558c94b817263c3fdd4c2880b7c5bf26b67aa53369dcdd8973141991864. 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/GBLWD2406012 — a six-check JSON result.
Piano Concerto No. 4 in G Major, K. 41: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd38e378482a3e4b2061e17e1deba97801e641f6818608f35031e334a11139702. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our 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/GBLWD2406013 — a six-check JSON result.
Piano Concerto No. 4 in G Major, K. 41: III. Molto allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x639e4b69b55a12598d90798b3f2a4eb36cb38f190293d27bb082902c04f6012f. 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/GBLWD2406014 — a six-check JSON result.
Concerto No. 11 in F Major, K. 413: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09b5b6eeaa662a5c9757fdbae6018d284d383861f112e0d4dd40bff519a3ca11. 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/GBLWD2402502 — a six-check JSON result.
Piano Concerto No. 27 in B-Flat Major, K. 595: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cf86e82e6df0f26ff8f150d358bfd87a3c4509697d9590dc2602cff55371365. 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/GBLWD2305609 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1e979d87de70e89eb29376259d2319f0f9fce4cd19e1869864b2807a8164343. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), 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/GBLWD2300601 — a six-check JSON result.
Piano Concerto No. 25 in C Major, K. 503: III. Allegretto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98b95f05a0a3d8d0e3c67eea74e1ee1b6e60d13f969123e359eb9a2bf5f434d8. 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/GBLWD2300607 — a six-check JSON result.
Mozart: Piano Concerto No. 22, K. 482 & No.23, K. 488
Overture to Der Schauspieldirektor, K. 486: Overture to Der Schauspieldirektor, K. 486
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b998077f48e10fb3da2a311316705f76b92454c9630148b2dcbeae4e3748663. 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/GBLWD2201901 — a six-check JSON result.
Piano Concerto No. 22 in E-Flat Major, K. 482: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x848547ffb7ccc24154357494f267abf4b091485e3416fdcb93371a46e7933890. 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/GBLWD2201903 — a six-check JSON result.
Piano Concerto No. 22 in E-Flat Major, K. 482: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x514d1c6a85ae014eff6669736584e4f1ca492124a20ce272810daa0ec16f84a4. 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/GBLWD2201904 — a six-check JSON result.
Piano Concerto No. 23 in A Major, K. 488: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c411adbdac7406e079cc104174a30ccbebd59c62e8903417abe44ed65f9ac24. 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/GBLWD2201906 — a six-check JSON result.
Piano Concerto No. 23 in A Major, K. 488: III. Allegro assai
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea4c0b6386ce705e3256b53868fe3f28c1fd01c9aed41228f72276ce2e84590f. 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/GBLWD2201907 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06f8f3476e71cbc3928aca98905d36416d8d409c8dab8ec79e76db2d19627ec2. 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/GBLWD2001301 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9a2bf8c68e9dddfe032183a1511a5ce46e594fa221f53ae99ae2dc882b019a6. 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/GBLWD2001401 — a six-check JSON result.
Concerto No. 5, K. 175: II. Andante ma un poco adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02f1e7e90cc6a4849577013009ea7c5eaf255de3dc80950e8e70354ee6d17cda. 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/GBLWD2001302 — a six-check JSON result.
Concerto No. 8, K. 246 "Lützow": I. Allegro aperto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c9b83536732a82cb666a681cce85a74580fe9e4d4d427b3b6a619c2620a7710. 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/GBLWD2001402 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e06644bcdf0a0a562e2eb14747445401021c35544ae3463137aa0c3b98fb26c. 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/GBLWD2001303 — a six-check JSON result.
Overture to La finta giardiniera, K. 196: I. Allegro molto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa998857be7fbc659ce807635802b9bbdc577b6746dd40ee7e3594ede025369b7. 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/GBLWD2001304 — a six-check JSON result.
Overture to La finta giardiniera, K. 196: II. Andante grazioso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff447bb6441c9b70a93e4c43be6ea8864baa75a53cac741d684b4ee4b4a0d8d4. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD2001305 — a six-check JSON result.
Overture to Il sogno di Scipione, K. 126 (141a): I. Allegro moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf98f8dfd534e405950c6d7d6afe37d3f0402e8b8e0fb524b61bdad7c6edecd4b. 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/GBLWD2001306 — a six-check JSON result.
Overture to Il sogno di Scipione, K. 126 (141a): II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6973f8d14fef79498d3f4c24a20f60dc9dd143b5c12d2c202d9f3a075fe85048. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our 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/GBLWD2001307 — a six-check JSON result.
Overture to Il sogno di Scipione, K. 126 (141a): III. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43cc5d79440dd08dcee090ae3a7a3aa29963c92abb32ec86852554cfdb0b2b0d. 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/GBLWD2001308 — a six-check JSON result.
Concerto No. 6, K. 238: I. Allegro aperto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a97d80e042b897e62ba73db92842de3882301ee5c38d4ff55ba5429f2e86e42. 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/GBLWD2001309 — a six-check JSON result.
Concerto No. 9, K. 271 "Jenamy": II. Andantino - Cadenza. - Allegro - Adagio - Tempo I
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa742fe46c53d13318b9d3b94deb895c22b89cba0af60f812a149b909ef106ee8. 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/GBLWD2001409 — a six-check JSON result.
Concerto No. 6, K. 238: II. Andante un poco adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc02a089ab975b9fd84c922e826b1755b8d1836a2ef81291632edc097ebab5c2. 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/GBLWD2001310 — a six-check JSON result.
Concerto No. 6, K. 238: III. Rondeau. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71483ca02a01280488b0247a90d76b20b6699bd1bfc6d1676d67588a474b0e0a. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD2001311 — a six-check JSON result.
Overture to Lucio Silla, K. 135: I. Molto allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac1324472648ff22ede99413b779c833236d6944aa3007255446d266046c3d16. 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/GBLWD2001312 — a six-check JSON result.
Overture to Lucio Silla, K. 135: III. Molto allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93f2b1d774537ab41462043c5a9333c3f923cd62ad763c35859ce533091eaef9. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), 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/GBLWD2001314 — a six-check JSON result.
Concerto No. 21, K. 467: Allegro maestoso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bb8a59912a6bfa3eaaf7cdb91c47072eeb983cf8083a1834780eb2abdd071fa. 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/GBLWD1902601 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0eb622843c577bd62b17a4264406ca459142f0e806afb017e5419931196ce677. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/GBLWD1902602 — a six-check JSON result.
Concerto No. 21, K. 467: Allegro vivace assai
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4026d0627c59ac45bc8a8120410d2256a671a992a7280d867fdfdd47b8ee8742. 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/GBLWD1902603 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x011ac296bcedaccf67626f63b00abbdb25654e80e388201e158496862d14a052. 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/GBLWD1902606 — a six-check JSON result.
Piano Concerto in B-Flat Major, K. 450: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa1f6ddd475512095d3a9159ed01a3746554f73c82b7151a1cd62a5d17e9bfea. 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/GBLWD1804806 — a six-check JSON result.
Piano Concerto No. 17 in G Major, K. 453: I. Allegro (Arr. for Wind Quintet by Ulf-Guido Schäfer)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b4658cacbbb897be9dd767e6149a5394baa8bce41efcf604afa52f1380ccbce. 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/GBLWD1604501 — a six-check JSON result.
Piano Concerto No. 17 in G Major, K. 453: III. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf08921e049674ed854cb5696d5a67868771e103def3fd7e718b725d69522a327. 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/GBLWD1604503 — a six-check JSON result.
Piano Concerto No. 17 in G Major, K. 453: IV. Conclusion (Bavouzet Cadenza)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5961653a79f45a03b89bec930947ce652bb93fa473038d93d8f6ad6d2aa2ef7. 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/GBLWD1604504 — a six-check JSON result.
Piano Concerto No. 17 in G Major, K. 453: V. Allegretto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x681ed5d631d58611b131559f5ba287bf8af1f48d4988e064e10df98bd73dfe0c. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1604505 — a six-check JSON result.
Piano Concerto No. 18 In B-Flat Major, K. 456: III. Allegro vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf19b806dd24beefe852afc270acc940ef8916e1d04d4f22414f1b57a943c83cf. 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/GBLWD1604508 — a six-check JSON result.
Piano Concerto in F Major, Hob. XVIII:3: I. Allegretto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x312136fe59bb22f2c020d2d32cdafc2dd8a33cf393c248ca3e8a44bdb2c5aee7. 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/GBLWD1401901 — a six-check JSON result.
Piano Concerto in F Major, Hob. XVIII:3: II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d6d4bdd7b6ef4eef7e4f07559d1ddeb1dadb615db9e5502359c20848f87209e. 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/GBLWD1401902 — a six-check JSON result.
Piano Concerto in F Major, Hob. XVIII:3: III. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0258e669bc9d1b96fb501fdf27786a3eb2d4663f7a0e1b38068b91a0cce77080. 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/GBLWD1401903 — a six-check JSON result.
Piano Concerto in G Major, Hob. XVIII:4: I. Allegro moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x647888510f0260e2c12e59f5fb09fb622feced8f174cfed2077f61efba5cba7c. 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/GBLWD1401904 — a six-check JSON result.
Piano Concerto in G Major, Hob. XVIII:4: III. Rondo. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd44b136e8222bab081e691ad19aaaf1e491758deb57716775e79f309d035f009. 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/GBLWD1401906 — a six-check JSON result.
Piano Concerto in D Major, Hob. XVIII:11: I. Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64356f8c2b3ea59980b6fb053ef69fb6b349ea01a5462b0540d1c20f022dbd4a. 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/GBLWD1401907 — a six-check JSON result.
Piano Concerto in D Major, Hob. XVIII:11: II. Un poco adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6736a04e868573baa96ae20384e20dc35cc6bdc5f6f14a1c041b660e1231ef2f. 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/GBLWD1401908 — a six-check JSON result.
Piano Concerto in D Major, Hob. XVIII:11: III. Rondo all'ungarese. Allegro assai
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb19fffac2721de8af5805d7162293ae7f9630f4f447cc4cab6dcf31d6ed677c9. 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/GBLWD1401909 — a six-check JSON result.
Portraits of the Verbier Festival Chamber Orchestra (Vol. 1 / Live)
Symphony No. 104 in D Major, Hob. I:104 "London": I. Adagio – Allegro - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3680dcc7701024f7e8df3bdf6326c9f2dae923e769875d7f86f7cd281ee3342a. 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/DEN962401401 — a six-check JSON result.
Piano Concerto No. 2 in B-Flat Major, Op. 19: I. Allegro con brio - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf387c9356a4d6533cf3fb1d5a3b6fe90e90328c558248edcdc5e070f8eaeb745. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960902831 — a six-check JSON result.
Keyboard Sonata in D Minor, Kk. 141 - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x264cd719e1a9732769f59f64005ec8af15a591b8246291c266597da21e03d36b. 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/DEN962401410 — a six-check JSON result.
Symphony No. 3 in E-Flat Major, Op. 97 "Rhenish": III. Nicht schnell - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x017269e44c64bbdef24897cf2857f68930d3685da64cea05a184ce2bdf2085f0. 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/DEN962401423 — a six-check JSON result.
Mozart: Violin Concerto No. 5 in A Major, K. 219 (Live)
Violin Concerto No. 5 in A Major, K. 219 "Turkish": I. Allegro aperto - Adagio - Allegro aperto - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec33412300de9bd28fa978f5f2a7bb29cd1dc2c6e5873851d9bf5e69b407712d. 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/GBYDS2300617 — a six-check JSON result.
Mozart: Violin Concertos Nos. 3 & 5, Symphony No. 29
Violin Concerto No. 3 in G Major, K. 216: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4511883143454b3f1ab4302506f8c1810a0022848dfb366bd99e8f12d63ef964. 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/GBELX2107447 — a six-check JSON result.
Violin Concerto No. 5 in A Major, K. 219: I. Allegro aperto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45207e197a73aced1b99ab248d7c58a678530bc0c1562abf95a316a46991c751. 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/GBELX2107454 — a six-check JSON result.
Rachmaninov's Second Piano Concerto and Sonata (Live in Concert)
Brahms: Horn Trio, Op. 40 / Beethoven: Horn Sonata, Op. 17 / Strauss, R.: Andante
Baermann / Brahms / Mozart: Clarinet Quintets
Frank Martin: Das Märchen vom Aschenbrödel (Le conte de Cendrillon)
Bartok: Viola Concerto - Schoenberg: Verklarte Nacht
Viola Concerto, BB 128 (revised version by N. Dellamaggiore and P. Bartok): I. Allegro moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83f5406625382bbf866ac8cc1f64a4988571f49de5a20dfb3056c8c2e3e5c19a. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), registered by our 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/CH1490821501 — a six-check JSON result.
Viola Concerto, BB 128 (revised version by N. Dellamaggiore and P. Bartok): III. Finale: Allegretto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b0125c1a95619bf16514a968e0e16d21323272d6bdc2653ceabda042b83b54b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH1490821503 — a six-check JSON result.
Quintet in C minor for piano, 2 violins, viola & cello, Op. 1: 1. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b4ff31e15ef6d4e888afbfb79cc167378bbc2656b56f7bb8503824269eb3bd0. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078710721 — a six-check JSON result.
Quintet in C minor for piano, 2 violins, viola & cello, Op. 1: 2. Scherzo: Allegro vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf337f46ee1b0211379e83f3dbe67eb7dc11ce07fd79e1d7d6dc163cf8fba6bb. 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/GBF078710722 — a six-check JSON result.
Quintet in C minor for piano, 2 violins, viola & cello, Op. 1: 3. Adagio, quasi andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6e36f5599babbad53ef90f9a06198ac5e7830a31ad79a4da2f16f0329d39199. 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/GBF078710723 — a six-check JSON result.
Quintet in C minor for piano, 2 violins, viola & cello, Op. 1: 4. Finale: Allegro animato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06d58029582986269e08c50f1184a13fab15bfb100b1c1754d2509a0db07abaa. 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/GBF078710724 — a six-check JSON result.
Sextet for piano, violin, viola, cello, clarinet & horn, Op. 37: 1. Allegro appassionato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x012c117edd3725eea00c6404273ddc0192bbb491ccd784c70b8795253603442d. 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/GBF078710731 — a six-check JSON result.
Sextet for piano, violin, viola, cello, clarinet & horn, Op. 37: 2. Intermezzo: Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2e52318b18c1a3a957c8d58c2756bc342a08f6ecc8566f4419cd57ca7f5ef9d. 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/GBF078710732 — a six-check JSON result.
Sextet for piano, violin, viola, cello, clarinet & horn, Op. 37: 3. Allegro con sentimento
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e29bbe14ac13fd6f9a3f65b66296bc9665b1269faf2d7ae2cb909173439ed08. 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/GBF078710733 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4416ba96a03794679642e02e7c20191a64ad1ada85ef032d6012035554270d0b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD2406011 — a six-check JSON result.
Piano Concerto No. 1 in F Major, K. 37: III. Rondo
Haydn: Symphony No. 104 in D Major, Hob. I:104 "London": III. Menuet – Allegro (Live)
Symphony No. 104 in D Major, Hob. I:104 "London": III. Menuet – Allegro - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cd00f2dfa1a00d6b70e1bf606251478e91627d843afd38d38b64af59fdb9a3e. 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/DEN962401403 — a six-check JSON result.
Beethoven: Symphony No. 3 in E-Flat Major, Op. 55 "Eroica": III. Scherzo. Allegro vivace (Live)
Symphony No. 3 in E-Flat Major, Op. 55 "Eroica": III. Scherzo. Allegro vivace - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2c751a59ab7ca8f5141f559e65d75f6a1fd3fb33d1e540b9cef167f66c9233f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962203133 — a six-check JSON result.
Beethoven: Symphony No. 8 in F Major, Op. 93: I. Allegro vivace e con brio (Live)
Mozart: Piano Concerto No. 18 in B-Flat Major, K. 456: III. Allegro vivace
Dohnanyi: Piano Quintet No. 1, Sextet / Kodaly: String Quartet No. 2
Six Preludes and Fugues, K.404a: Prelude I: Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4df874345ba2615d76c750f0d9dfe5c8d1de383628ea62c5f3bc40178c17a321. 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/NLA507300980 — a six-check JSON result.
Six Preludes and Fugues, K.404a: Fugue I (from Bach's Wohltemperierte Klavier I/8 BWV 853)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaba797e63d5f18b0413542d2bd0a04676c5c04ea7ae13608c3b29ef17c9c0f23. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507300981 — a six-check JSON result.
Six Preludes and Fugues, K.404a: Prelude III: Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39872b43dce27a2c74069c3dffa1ff41f6a5fd901038f43f09366b568a78e5e0. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507300982 — a six-check JSON result.
Six Preludes and Fugues, K.404a: Fugue III (from Bach's Wohltemperierte Klavier II/13, BWV 882)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6fbad449399cddf96f5efbf541de214692b2dc1a50e0aaca6598c3e443563cc. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507300983 — a six-check JSON result.
Six Preludes and Fugues, K.404a: Prelude IV (from Bach's Organsonata no.3, BWV 527)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9381955ac74f9618c502a859256bdd9dea2442ea248cfbe37bab8c8a3ac24db4. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507300984 — a six-check JSON result.
Six Preludes and Fugues, K.404a: Prelude V (from Bach's Organsonata No. 2, BWV 526)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1893718e08ab0354035d1363ed308f16dea43d4a34f59b4683036fa6e274496f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507300986 — a six-check JSON result.
Six Preludes and Fugues, K.404a: Prelude II: Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x405adb49168ef3734fddaee5b3f812f920435e5b3d84b62bd5a86cddda85b3c9. 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/NLA507300988 — a six-check JSON result.
Six Preludes and Fugues, K.404a: Fugue II (from Bach's Wohltemperierte Klavier II/14, BWV 883)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37e4c8dae119f452c0545d45464397ddcf07438a11af77c22af5c1feb9e69ee6. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507300989 — a six-check JSON result.
Six Preludes and Fugues, K.404a: Prelude VI: Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd5b6eddbf9cec91696acefab31c48263b6af14b76f302101be3e02384c66629. 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/NLA507300990 — a six-check JSON result.
Six Preludes and Fugues, K.404a: Fugue VI (from W.F.Bach's Fugue No. 8)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc51f96962a694910144711fbc9e20248ace2013319736f1bbd00aa5e29f31696. 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/NLA507300991 — a six-check JSON result.
Sonata for Piano and Violin in A, K.305: 2a. Tema con variazioni: Tema
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac4fb34afd30c22586350ba09bf1821679fdc62eaef98d07f6c8673a973f2286. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508021019 — a six-check JSON result.
Sonata for Piano and Violin in A, K.305: 2b. Variation 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce0e87bc3296643743c787b171ff8a491b2ca60a58d87a3832f79639b761ea5c. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508021020 — a six-check JSON result.
Sonata for Piano and Violin in A, K.305: 2c. Variation 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e2be0ae7b12d5e8098c42f0d08243bf869785465d7933e8fe56330e1896b70d. 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/NLA508021021 — a six-check JSON result.
Sonata for Piano and Violin in A, K.305: 2d. Variation 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdec543ebaae9b3b0fb7a5a946de49f3b54c6d6e660189a4e32832e4f84cee860. 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/NLA508021022 — a six-check JSON result.
Sonata for Piano and Violin in A, K.305: 2e. Variation 4
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21e9b96d24c221005f87dabf8e8fd8abe8fb789eedb47d3e6c8b6ea82e99d6e6. 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/NLA508021023 — a six-check JSON result.
Sonata for Piano and Violin in A, K.305: 2f. Variation 5
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc22c344e503f6cae95c79f6fd679a4a4a0a62d9e567ea43af719188286bd9567. 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/NLA508021024 — a six-check JSON result.
Sonata for Piano and Violin in A, K.305: 2g. Variation 6
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a2d3d48864bb4edca903e27e1078845e78e2819291d708401fe6385f893a656. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508021025 — a six-check JSON result.
Sonata for Piano and Violin in G, K.379: 2a. Tema con variazioni: Tema
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c508c5a355e6308ac030849a4656d808fb09c21a615d1c39a732e7412f0aaa6. 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/NLA508021031 — a six-check JSON result.
Sonata for Piano and Violin in G, K.379: 2b. Variation 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9646beb0abc2462bce9c77a55395f5e87d8c025b22fcd71e99f53f9ce155210b. 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/NLA508021032 — a six-check JSON result.
Sonata for Piano and Violin in G, K.379: 2c. Variation 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc40cc3c272dd34ba471befd4588f0d9b325197a8fa6bf843b2d40d8b4ebb736b. 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/NLA508021033 — a six-check JSON result.
Sonata for Piano and Violin in G, K.379: 2d. Variation 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x922403682a20b8abb3e64370477b6317d7717dc9fcdbd59130dd24e0589ff93e. 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/NLA508021034 — a six-check JSON result.
Sonata for Piano and Violin in G, K.379: 2e. Variation 4
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebf5db3d81281a60e4ece81a6da72bdff6f6860bfa0a9fce48616a165106a897. 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/NLA508021035 — a six-check JSON result.
Sonata for Piano and Violin in G, K.379: 2f. Variation 5
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e8a045a595a82fa9c7afbc4094252db00f9ba641ba449a05010f2e527837eaa. 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/NLA508021036 — a six-check JSON result.
Sonata for Piano and Violin in G, K.379: 2g. Tema
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c39d3b6bcf8d8040536567bd7414a5fdb81d05b3f38f8d5e1392ee0b9785d28. 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/NLA508021037 — a six-check JSON result.
Sonata for Piano and Violin in F, K.377: 2a. Tema con variazioni: Tema
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26421155ba63c43cd5e4ad12ee26a2a0f3f93439933f2f6a492695dc089a65a9. 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/NLA508021044 — a six-check JSON result.
Sonata for Piano and Violin in F, K.377: 2b. Variation 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0258c793b5bb58fafe4606af76309ddfaa755b1da2894580fac87196661038dd. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508021045 — a six-check JSON result.
Sonata for Piano and Violin in F, K.377: 2c. Variation 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43de3d6376e23489d4e2f705a07f95cd91b0f7590ecb8defb7a581c0f8c49a3f. 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/NLA508021046 — a six-check JSON result.
Sonata for Piano and Violin in F, K.377: 2d. Variation 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca9bd3cfba58053cdcc45a30f907f203ce8da668892d37ab535cd9f34179a3b9. 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/NLA508021047 — a six-check JSON result.
Sonata for Piano and Violin in F, K.377: 2e. Variation 4
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefc50ce1be42ea4acfa81edd3cdcc44c5ca0412b6e1cab81a123fa198a9fc177. 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/NLA508021048 — a six-check JSON result.
Sonata for Piano and Violin in F, K.377: 2g. Variation 6
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d02e3f6af98491d9f1807be6f180bca7f950aee2d0d4af44656602395b2610b. 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/NLA508021050 — a six-check JSON result.
Sonata for Piano and Violin in E flat, K.481: 3a. Allegretto (con variazioni): Tema
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bd6aa94f405e45436e04843d9caeb841d8638691a415970cc2040c38abf1cab. 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/NLA508021056 — a six-check JSON result.
Sonata for Piano and Violin in E flat, K.481: 3b. Variation 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc146390298a2e364eac4dc588d268123e2c02ef15049de4c32996118bb52143d. 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/NLA508021057 — a six-check JSON result.
Sonata for Piano and Violin in E flat, K.481: 3d. Variation 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47bf3945beeb55e371edbabffa2a145ef0d7fea5747634c556781ed7cb15fb02. 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/NLA508021059 — a six-check JSON result.
Sonata for Piano and Violin in E flat, K.481: 3f. Variation 5
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb815d29990cdc6ef70c1b2241afb397e863b423881623b92532ac14097478c53. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508021061 — a six-check JSON result.
Sonata for Piano and Violin in E flat, K.481: 3g. Variation 6
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e4dab63cffd651ad068d81c51c519bd1d0cb88b6c961420f0a07ec2d272f0a2. 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/NLA508021062 — a six-check JSON result.
Academy of St. Martin in the Fields Chamber Ensemble
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x304b7218e99fb2ab70cb16e796c3395aa745a2de89bd8b4c53b8a4907004e9ac. 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/NLA508210220 — a six-check JSON result.
Piano Trio Movement in B Flat Major, K.501a
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf174b248377ebee10cad47622a8a88a4e459c30d561f5e2f8112dcffb4c79420. 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/GBF071600350 — a six-check JSON result.
Piano Trio in E Major, K.542 - Start of Finale
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10645c9ae111e18d4f2d0db759d3cccdb795c99803a3636cdda1ef31a72a5cee. 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/GBF071600330 — a six-check JSON result.
Divertimento in F, K.213: 4. Contredanse en Rondeau (Molto allegro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde0a51f6e940132fe1a66f22284ee8286d61d3dd3c70a9dde2263c1921ffd0ac. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076211864 — a six-check JSON result.