David Atherton (born 3 January 1944) is an English conductor and founder of the London Sinfonietta. Background Atherton was born in Blackpool, Lancashire, into a musical family. His father, Robert A
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dd88d85f26723f4ab78cc84680d3b56a88922cec527e6c6d36f56410fdba51f. Chain 2 (Bitcoin): anchored in block 953620 (2026-06-14T09:36:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1f0d61e5-0e57-47f4-bc43-7c9e74be18fd.json and https://artists.proofprofile.net/proofs/artist/1f0d61e5-0e57-47f4-bc43-7c9e74be18fd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Birtwistle: Angel Fighter, In Broken Images & Virelai (Sus une fontayne)
Alexander Goehr: Behold the Sun, Op. 44a, Metamorphosis/Dance, Op. 36, Romanza, Op. 24 & Other Works
Maw: Scenes and Arias - Milner: Salutatio Angelica & Roman Spring
Stravinsky: Music for Piano Solo and Piano & Orchestra
Hindemith: Complete Viola Music, Vol. 3 – Music for Viola and Orchestra
Der Schwanendreher: III. Variationen "Seid ihr nicht der Schwanendreher?". Mäßig schnell
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x323f67b33bb79d4f58ddf7445c743cba088a4a2ce1c25c6a43e71bea70e34387. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY1177408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87e42f573adcda7b2e2de092501533a62f53e7c6a9574c82d53db523e616a351. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY1177409.
Parry: Ode on the Nativity - Vaughan Williams: The Sons of Light - Holst: The Mystic Trumpeter
Holst: A Winter Idyll - Elegy - Indra - A Song of the Night - Sita Interlude - Invocation - The Lure - Morning of the Year Dances
Panufnik: Sinfonia Mistica; Sinfonia di Sfere
Weill: Kleine Dreigroschenmusik; Mahagonny Songspiel; Happy End; Berliner Requiem; Violin Concerto
Kleine Dreigroschenmusik: II. Die Moritat von Mackie Messer "Mack the Knife"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e44ba8e986544fdc2cc6fb7336771c89aa8c0dbfa41dcff4be41359505bdaad. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057500572.
Kleine Dreigroschenmusik: III. Anstatt dass-Song
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf935832c70c7b15e7dd883a6915ef89b75777be38dfb560166c27caa9fa0d53f. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057500573.
Kleine Dreigroschenmusik: IV. Die Ballade vom angenehmen Leben. Foxtrot
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1be311e1148d359500e175fe857a9bc98b999aba342c12c70e717b148a0eb92. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057500574.
Mahagonny Songspiel: III. No. 2, Alabama Song "Oh Show Us the Way to the Next Whisky-Bar"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe25cd1962beb964043fa81dab3b13ef0d6b42c70178c7c77596a982f09129f41. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057500521.
Schoenberg: Suite, Op.29; Wind Quintet, Op.26
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68ad661c1bea346662ad8e64740bb205b8dce1417e7949b226226568a36d09f4. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC17300371.
The March of the Women (last two verses)
Chorus of the Plymouth Music Series, Minnesota
Orchestra of the Plymouth Music Series, Minnesota
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad7fe0def0cd5e27c9b07a777aeedebb1154db5e867edaa62468596de78b079b. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9006479.
Holst: The Hymn of Jesus, Choral Symphony, The Wandering Scholar & At the Boat's Head
Holst: The Hymn of Jesus, Op. 37: Hymn I. "Glory to Thee, Father!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa295299415f0c55984d4fb2283e5d37e2cb5d685fc87235065cad5012470de95. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8803703.
Holst: The Hymn of Jesus, Op. 37: Hymn II. "Fain I Would Be Saved"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48107fd27d6d05cd2321fc641ba981d7c80dd60317d527ab438b40ceba8b231c. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8803704.
Holst: The Hymn of Jesus, Op. 37: Hymn IV. "Give Ye Heed unto My Dancing"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bd52ffbbbe04b129790193e3012ea6f125bd5c3d9b0032bb66c03d3a307ace5. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8803706.
Holst: The Planets, Op. 32: I. Mars, the Bringer of War
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26b27361c0ca1ac55d883d9bb26a5a01c65efb1bf289e36001d2fcc52628d0e3. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYD0200001.
Holst: A Somerset Rhapsody, Op. 21 No. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90daa8cebc9bf0dce50f8966e6c63a0c8ede68ec9128ad57f387fb88bff06665. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYD8700381.
Janácek: Sinfonietta/Taras Bulba/Mládi etc.
Sinfonietta: 2. Andante - Allegretto - Maestoso - Tempo I - Allegretto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75b3d0fc4a87effb81f067d39c8d837cb0bdfb20a6e88e0b3e94d81c43941877. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078000172.
Sinfonietta: 3. Moderato - Con moto - Prestissimo - Tempo I - Moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x975362af364d660c126fc0f2954023673147734cf25d2afb27a508f04ba434b7. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078000173.
Sinfonietta: 4. Allegretto - Adagio - Presto - Andante - Presto - Prestissimo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6025e024b8eb9b5f3db853c80ae2d1e1596f70ab35688327dfe5f41524c54003. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078000174.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d648893332e1441193d22037ac8da20ea74209bf4b271d7b6923edc1b5673c0. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078000181.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf3921b2f896b1f582e972d5a5ddfd51df6f9543b214abd5783a69441bcfa109. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078000182.
Mládi (Youth) for wind sextet: 1. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca11f9138c234ca033674f0b8b543d9abad011ae267304d7f578dab7dc7ba5f0. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077811081.
6 Bagatelles for Wind Quintet (1953, Arr. from Musica ricercata): I. Allegro con spirito
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fbc7c0e689b6db8cea89ec2bc2e770526094f9754235a90bc035a7605ad2e90. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059603471.
6 Bagatelles for Wind Quintet (1953, Arr. from Musica ricercata): III. Allegro grazioso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5facac0b720997dff368845359ffeb42f85afc047b8c95da25f4b58a14d07e71. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059603473.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa76b90780bd762cd2cbe096e3c093d0c810e58509418d09cf6ec43fa25293ace. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077641301.
Káta Kabanová / Act 1: Tak vidis, porad jen pro ni!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3131e2e786c06f1e19e2adcc9c684494d79e28d304e7e70ab502b03151e5697e. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077641306.
Káta Kabanová / Act 3: Ptácci prileti na mohylu
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cfde57302e31dcb3752109b0eb4810c477ceee9a576c70adbc84a828fc44444. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077641327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7165ad05d605c64d6bc39ee829454c39733e0a236c4e516582dcb6ab440f256. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077641309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeffe626981ad25f1271fb76e4e481fa4931db9e79d1dbc19f7515ea293876424. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077641310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac3db24f12c8ef18c8d676b0bc01d9acd979f4a2e0d1dea80e7da93d7296810f. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077641313.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0803cc16dc6656af75f2d7a6d853a161e375dd54d1c9a2b8e752c31b540be60. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077641314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x057aea4e1bd4d72a8395c353fccd88452d9c0044a6ae1cc181b97633da2a54b2. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077641315.
Káta Kabanová / Act 2: Za vodou, za vodickou
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ef2c598423169f7d406d19a31dcb15b8d5b0f80476a1a6d008656bf8b3a9c71. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077641317.
Káta Kabanová / Act 2: Jste to vy, Katerino Petrovno?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78b59306176ee47894e24800d7e87fe0b11bac6d2a0958bc2740532e27fca792. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077641318.
Káta Kabanová / Act 2: To jste si vymyslily peknou vec!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e24a74c9e2c2c47a23c715509f7dde5f5064c0b6a0e5dccf0960dedb37bc091. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077641319.
Stravinsky: Agon; Berg: Chamber Concerto
Schubert: Mass No. 4 in C Major K.452; Wind Octet D.72; Eine kleine Trauermusik; Gesang der Geister über den Wassern, D. 538
Mozart: Serenade in B-Flat Major, K. 361 "Gran Partita"
Ligeti: Melodien; Double Concerto for Flute, Oboe and Orchestra; Chamber Concerto for thirteen instrumentalists
Schoenberg: Complete Works for Chamber Ensemble
Iain Hamilton: Epitaph for this World and Time - Voyage
Birtwistle: The Fields of Sorrow, Verses for Ensembles & Nenia (The Death of Orpheus)
Maw: Scenes and Arias - Milner: Salutatio Angelica - Roman Spring
The Malcolm Arnold Edition, Vol.2 - Seventeen Concertos
Ligeti: Melodien; Double Concerto; Chamber Concerto etc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d602b7fc86b964efa95b992eea11ba77dec3b2b2b3ea9a072fd9eda3bef4ca8. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058803440.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2093e164693de61e5f15d1a57e36e164af7ba8d034c693e2a1b676f13c8f9e9c. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056801430.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa862938415c9c5e3d1e6a6e74177dc410b2c64fe0c1ce0556d3e87a933697d8. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056801470.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cd73e324a0f6bd4061fb9055dca43cc2c7fc15897e3ad3ca089735b458f24b6. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058803450.
The History Of Classical Music - Part 5 - From Sibelius To Górecki
BARTÓK: III. Allegretto – Allegro molto from Viola Concerto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6eba6227ad10483298ebac12e9e7bd75ed87b9238cc716bae7e2a823450f0b4. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSLT2517503.
Bartók: Viola Concerto, Sz. 120 & 44 Duos for 2 Violins, Books 1-4, Sz. 98
Viola Concerto, Sz. 120 (Completed by Peter Bartók & Nelson Dellamaggiore): II. Lento - Scherzo - Attacca
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5774dceab263365afb9a8dbb908a006f285297d18a49d25c5f21014e8e03cdbd. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSLT2517502.
Viola Concerto, Sz. 120 (Completed by Peter Bartók & Nelson Dellamaggiore): III. Allegretto - Allegro molto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6eba6227ad10483298ebac12e9e7bd75ed87b9238cc716bae7e2a823450f0b4. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSLT2517503.