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 0x1d0f307d96956c42858de46960bb552175cc09609b05252de0fd5cfbd9dbd858. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9495c155-4feb-4f3f-b9ae-7636ff5c5c82.json and https://artists.proofprofile.net/proofs/artist/9495c155-4feb-4f3f-b9ae-7636ff5c5c82.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sonata for Cello and Piano: Allegro agitato
The Arrow's Path - Music for Modern Dance, Vol. I
Kevin Keller: Riding the Purple Twilight
Riding the Purple Twilight: Allegro dangeroso
Riding the Purple Twilight: Andante mysterioso
Riding the Purple Twilight: Presto marcato
Kevin Keller: Pure Expressionism - Music for Modern Dance Vol. II
Riding the Purple Twilight: I. Allegro dangeroso
Riding the Purple Twilight: II. Andante mysterioso
Riding the Purple Twilight: III. Presto marcato
Pale Unkempt Hours of Late Grey Afternoons I
Pale Unkempt Hours of Late Grey Afternoons II
Pale Unkempt Hours of Late Grey Afternoons III
Corridors - Music for Modern Dance, Vol. 3
In Absentia: I. Stillness - Platinum Edition