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 0xc1ca1332f39b3c91e1959e833f736f4708b90ad23ae2d6c6733c3e8d26d8922d. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/40dd7283-f4a0-453d-9f62-53e38653c1a1.json and https://artists.proofprofile.net/proofs/artist/40dd7283-f4a0-453d-9f62-53e38653c1a1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Joseph Robinson plays Saint-Saëns, Still, Martin, Piston, Godard, Dring, Nielsen, Schickele and Poulenc
Sonata in D Major, Op. 166 for Oboe and Piano: i. Andantino-Poco allegro-Tempo I
Sonata in D Major, Op. 166 for Oboe and Piano: ii. Ad libitum-Allegretto-Ad libitum
Sonata in D Major, Op. 166 for Oboe and Piano: iii. Molto allegro
Incantation and Dance for Oboe and Piano
Suite for Oboe and Piano: i. Prelude: Allegro moderato
Suite for Oboe and Piano: ii. Sarabande: Andante
Suite for Oboe and Piano: iii. Minuetto: Allegretto
Suite for Oboe and Piano: iv. Nocturne: Andante
Suite for Oboe and Piano: v. Gigue: Allegro
Trio for Flute, Oboe and Piano: i. Allegro con brio
Trio for Flute, Oboe and Piano: ii. Andante semplice
Trio for Flute, Oboe and Piano: iii. Allegro giocoso
Two Fantasy Pieces for Oboe and Piano, Op. 2/FS8: Romance in G Minor
Two Fantasy Pieces for Oboe and Piano, Op. 2/FS8: Humoresque in D Minor
Trio for Oboe, Bassoon and Piano: i. Lent-Presto
Trio for Oboe, Bassoon and Piano: ii. Andante con moto
Trio for Oboe, Bassoon and Piano: iii. Rondo: Très vif
Summer Music, Op. 31: I. Slow and Indolent
Summer Music, Op. 31: III. Lively, Still Faster
Summer Music, Op. 31: IV. With Motion, as Before
The Snowy-Breasted Pearl (Arr. W. Blegard for Clarinet & Orchestra)
The Choir of Christ Church Cathedral, Dublin
Summer Music, Op. 31: I. Slow and indolent
Summer Music, Op. 31: Lively, still faster
Violin Concerto in D Major, Op. 77: II. Adagio - Live