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 0xe76dc99ccb0d95f37bf5f753099d114580a1b5d75fbf8c9d4c5dab6b71ea8aed. Chain 2 (Bitcoin): anchored in block 953626 (2026-06-14T11:41:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2b1aa2a2-e46f-4d1d-aa8b-b626516812c3.json and https://artists.proofprofile.net/proofs/artist/2b1aa2a2-e46f-4d1d-aa8b-b626516812c3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Philip Smith Collection, Album 2: The Concertos (Live)
Concerto for Trumpet & Orchestra: I. Vif (Live)
Concerto for Trumpet & Orchestra: II. Nocturne. Andantino (Live)
Concerto for Trumpet & Orchestra: III. Finale. Allegro (Live)
Concerto for 2 Trumpets in C Major, RV 537: I. Allegro (Live)
Concerto for 2 Trumpets in C Major, RV 537: II. Largo (Live)
Concerto for 2 Trumpets in C Major, RV 537: III. Allegro (Live)
Trumpet Concerto No. 2 in D Major, MWV 4:13: I. Allegro (Live)
Trumpet Concerto No. 2 in D Major, MWV 4:13: II. Adagio (Live)
Trumpet Concerto No. 2 in D Major, MWV 4:13: III. Allegro assai (Live)
Trumpet Concerto in E-Flat Major, Hob. VIIe:1: I. Allegro (Live)
Trumpet Concerto in E-Flat Major, Hob. VIIe:1: II. Andante cantabile (Live)
Trumpet Concerto in E-Flat Major, Hob. VIIe:1: III. Finale. Allegro (Live)
Trumpet Concerto, Op. 43: I. Allegro (Live)
Trumpet Concerto, Op. 43: II. Lento (Live)
Trumpet Concerto, Op. 43: III. Allegro vivace (Live)
The Americans: The Complete Recordings on Deutsche Grammophon
Symphony No. 5 in C-Sharp Minor: I. Trauermarsch (opening-bar 89)
Symphony No. 5 in C-Sharp Minor: I. Trauermarsch (from bar 152)