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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13c3afd44e0c511a5d12a9457e0491c23448c4265d21c8a7bd367b7cfe31bcbf. 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/6fd0c48d-34e5-4aff-8525-ae3a1222af9b.json and https://artists.proofprofile.net/proofs/artist/6fd0c48d-34e5-4aff-8525-ae3a1222af9b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Out of the Blue - Collective Compositions
Concerto for Violin, Clarinet, Horn and String Sextet, "Schott Concerto": I. Largo - Allegro
Chamber Music (Finnish): Century of Finnish Chamber Music (A)
Concerto for Violin, Clarinet, Horn and String Sextet, "Schott Concerto": II. Largo - Vivace
Concerto for Violin, Clarinet, Horn and String Sextet, "Schott Concerto": III. Allegro vivace
Concerto For 4 Violins in B Minor, Op. 3, No. 10, RV 580 : I. Allegro
Johann Sebastian Bach: Harpsichord Concertos III
Concerto For 4 Violins in B Minor, Op. 3, No. 10, RV 580 : II. Alla Siciliana
Concerto For 4 Violins in B Minor, Op. 3, No. 10, RV 580 : III. Allegro
Concerto for 4 Violins in B Minor, Op. 3, No. 10, RV 580: I. Allegro
Bach, J.S.: Harpsichord Concertos, Vol. 3
Concerto for 4 Violins in B Minor, Op. 3, No. 10, RV 580: II. Alla Siciliana
Concerto for 4 Violins in B Minor, Op. 3, No. 10, RV 580: III. Allegro
Quintet for oboe and string quartet: I. ♩ 52
Quintet for oboe and string quartet: II. ♩ 42
Quintet for oboe and string quartet: III. ♩. 120