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 0x14b67ca72e72b504e83ca3489ab976f45edfc96f453349cb11fcc2368841dfa6. Chain 2 (Bitcoin): anchored in block 953678 (2026-06-14T19:23:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/627c5d7c-9608-45e0-a29b-edb2829a8110.json and https://artists.proofprofile.net/proofs/artist/627c5d7c-9608-45e0-a29b-edb2829a8110.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Larsson Gothe: Clarinet Concerto - Agnas & Litsgard: Vivaldi Moods - Crusell: Bassoon Concertino in B-Flat Major
Bassoon Concertino in B-Flat Major: I. Allegro brillante - Poco adagio - Allegro (cadenza by M. Gothe)
Bassoon Concertino in B-Flat Major: II. Allegro moderato
Bassoon Concertino in B-Flat Major: III. Polacca
Sinfonietta (1948): I. Allegro con fuoco
Sinfonietta (1948): III. Andante cantabile
Sinfonietta (1948): IV. Finale: Prestissimo et tres gai
Concert Românesc (1951): II. Allegro vivace
Concert Românesc (1951): III. Adagio ma non troppo
Concert Românesc (1951): IV. Molto vivace
Suite No. 3, Op. 19 No. 1: III. Vision: Allegro moderato
6 Gamle bygdevisur fra Lom, Op. 2 (version for violin and orchestra): No. 4, Allegretto [6 Old Village Songs from Lom]
Et Sæterbesøg (a Mountain Vision) [version for violin and string orchestra]: Et Saeterbesog [a Mountain Vision] [version for violin and string orchestra]
Suite No. 3, Op. 19 No. 1: I. Prelude. Adagio
Suite No. 3, Op. 19 No. 1: III. Vision (Version for 2 Violins & String Orchestra)
Adriana Lecouvreur, Act I: Io son l'umile ancella
Io son l'umile ancella del Genio creator