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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a2494b28e275ee80981916b4f570126a62d92f02f94b259159595edc2a44372. Chain 2 (Bitcoin): anchored in block 954729 (2026-06-21T18:16:07Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f9a6d5bf-f24d-4465-8886-e277037f2011.json and https://artists.proofprofile.net/proofs/artist/f9a6d5bf-f24d-4465-8886-e277037f2011.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The First Time Ever I Saw Your Face with TOKU
Sleeping With An Angel Who Broke My Heart
Sleeping with an Angel Who Broke My Heart
Yasashisa Ni Tsutumareta Nara (Instrumental Version)
Yesterday Once More (Instrumental Version)
Yukimo Hitohira (A Flake Of Snow Japanese version)
Baby It's Cold Outside (Instrumental Version)
Geila Zilkha & SUPER SOUL JAZZ Recording Live at NK SOUND TOKYO