1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x859ddd941cb32ff6a3fe6535789d30e78fe7b7ab806356b6eb5fa4ae2e805157. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1968e7c9-d9e4-4ed6-aa7d-1a93407bf204.json and https://artists.proofprofile.net/proofs/artist/1968e7c9-d9e4-4ed6-aa7d-1a93407bf204.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Suite for Piano & Orchestra (Jazz Suite): I. Snowflakes. Allegro vivace
Suite for Piano & Orchestra (Jazz Suite): II. Lyrical Waltz
Suite for Piano & Orchestra (Jazz Suite): III. Polka
Suite for Piano & Orchestra (Jazz Suite): IV. Career. Presto
Piano Concerto in G Major, M. 83: I. Allegramente
Piano Concerto in G Major, M. 83: II. Adagio assai
Piano Concerto in G Major, M. 83: III. Presto
Mozart's Violin - The Complete Violin Concertos
Violin Concerto No. 1 in B-flat Major, K. 207: I. Allegro moderato
Violin Concerto No. 4 in D Major, K. 218: I. Allegro
Violin Concerto No. 1 in B-flat Major, K. 207: II. Adagio
Violin Concerto No. 4 in D Major, K. 218: II. Andante cantabile
Violin Concerto No. 1 in B-flat Major, K. 207: III. Presto
Violin Concerto No. 4 in D Major, K. 218: III. Rondeau. Andante grazioso
Violin Concerto No. 2 in D Major, K. 211: I. Allegro moderato
Violin Concerto No. 5 in A Major, K. 219 "Turkish": I. Allegro aperto
Violin Concerto No. 2 in D Major, K. 211: II. Andante
Violin Concerto No. 5 in A Major, K. 219 "Turkish": II. Adagio
Violin Concerto No. 2 in D Major, K. 211: III. Rondeau. Allegro
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1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76d15bfea90d4c726dc73ceb1d0e9dce706f13e5335e5e128cef274c8e2502e1. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3GLpWH2KDv3YaXCQxyUptE.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3GLpWH2KDv3YaXCQxyUptE.
Violin Concerto No. 5 in A Major, K. 219 "Turkish": III. Rondeau. Tempo di minuetto
Violin Concerto No. 3 in G Major, K. 216: I. Allegro
Violin Concerto No. 3 in G Major, K. 216: II. Adagio
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb51a1ac0443410b7ace3ad26f261788d6aa32c227249e3e8bbf4025af64d58a5. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5xa9OEvqxxibm31ClABYQ6.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5xa9OEvqxxibm31ClABYQ6.
Violin Concerto No. 3 in G Major, K. 216: III. Rondeau. Allegro
J.S. Bach & Pärt: Works for Violin & Chamber Orchestra
Fratres (version for violin, string orchestra and percussion)
Violin Concerto in E Major, BWV 1042: I. Allegro
Violin Concerto in E Major, BWV 1042: II. Adagio
Violin Concerto in E Major, BWV 1042: III. Allegro assai
Violin Concerto in A Minor, BWV 1041: I. Allegro moderato
Violin Concerto in A Minor, BWV 1041: II. Andante
Violin Concerto in A Minor, BWV 1041: III. Allegro assai
Concerto for Two Violins, Strings, and Continuo in D Minor, BWV 1043: I. Vivace
Concerto for Two Violins, Strings, and Continuo in D Minor, BWV 1043: II. Largo, ma non tanto
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9dec07e2d86312640cc8c67eb7c36aa7b05d70be28ae2201943218be2197840. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7vLuLpBvd6XTLfiw3lhrCQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7vLuLpBvd6XTLfiw3lhrCQ.
Concerto for Two Violins, Strings, and Continuo in D Minor, BWV 1043: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee97935fb7ddcb325ce05733f00d45c84c63eb92d31cf307e3d2e399e04fcc83. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6PWOzHp2nbF2QPvI9061nG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6PWOzHp2nbF2QPvI9061nG.
Schulhoff: Concerto doppio - Krenek: Concertino - D'Indy: Concert
Concerto doppio, WV 89: I. Allegro moderato
Concerto doppio, WV 89: III. Rondo. Allegro con spirito
Concertino, Op. 27: I. Toccata. Im Tempo sehr frei
Concertino, Op. 27: II. Sarabande. Largo
Concertino, Op. 27: III. Scherzo. Allegro
Concertino, Op. 27: IV. Air. Molto moderato
Concertino, Op. 27: V. Finale. Allegro moderato
Piano Concerto, Op. 89: I. Modéré, mais bien décidé
Piano Concerto, Op. 89: II. Lent et expressif
Piano Concerto, Op. 89: III. Mouvement de Ronde française
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1391fbacf35069c9a641b25e32d7b605afc1f4125b115d99ec6ade22b469ef6. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0T1LHhzLgnOBNJX16ZSC4Y.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0T1LHhzLgnOBNJX16ZSC4Y.