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 0x40c8bcc68420e6fc7b71cbcbe97fce341fdbd87ac664911e09b7ee2277f6a71c. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/748e191e-6969-4121-b46d-fb236c02af34.json and https://artists.proofprofile.net/proofs/artist/748e191e-6969-4121-b46d-fb236c02af34.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
A Place of Memories - Solo Piano version
Nocturne No.20 in C sharp minor Op.posth. ~Cafe in Vienna~
Tales from the Vienna Woods - Light Classical version
Nocturne No.20 in C sharp minor Op.posth - Concerto version
Träumerei / Dreaming ~Cafe in Vienna II ~
Spring from The Four Seasons ~Cafe in Vienna~
Serenade from Swan Song ~Cafe in Vienna~
The Marriage of Figaro -Overture- ~Cafe in Vienna~
Moonlight -Clair de lune- ~Cafe in Vienna~
Pavane for a dead Princess ~Cafe in Vienna~
A Place of Memories (Solo Piano version)