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 0x4b1f70a9124bdf2b699239037db98492bfa03f239f0ee06ffc3e2c84d7b8526b. Chain 2 (Bitcoin): anchored in block 953743 (2026-06-15T04:52:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a1752290-827a-43bb-b696-712f10f281ac.json and https://artists.proofprofile.net/proofs/artist/a1752290-827a-43bb-b696-712f10f281ac.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Gundam The Witch from Mercury (Soundtrack Cover Collection Vol. 1)
Gundam The Witch from Mercury (Soundtrack Cover Collection Vol. 2)
Gundam The Witch From Mercury (Fanmade Original Soundtrack)
Frieren: Beyond Journey's End (Soundtrack Cover Vol. 1a)
Frieren: Beyond Journey's End (Soundtrack Cover Vol. 1b)
Frieren: Beyond Journey's End (Soundtrack Cover Vol. 2a)
Frieren: Beyond Journey's End (Soundtrack Cover Vol. 2b)
Frieren: Beyond Journey's End (Inspired Soundtracks)
Wistoria Wand and Sword (Soundtrack Cover Vol. 1)
Made In Abyss (An Epic Orchestral Medley)
Stingerhead Nest, Transcendance and Hanezeve (Orchestral Version)
Dark Reg, Nightmare Fuel (Orchestral Version)
The Rumble of Scientific Triumph (Orchestral Version)
SAN-KEN「The Three SAGES」 (Orchestral Version)
Secrets of the Silent Witch (Epic Cover Medley Vol. 1)
Time to Spin Alone (Emotional Orchestral Cover)
Take a Step Forward (Emotional Orchestral Cover)
Secrets of the Silent Witch (Epic Cover Medley Vol. 2)
The Fibonacci Song: Sam Ojisan no Buta (Epic Orchestral Cover)
Secrets of the Silent Witch (Music Box Version)