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 0x6ed1f3fcb13344ea36d7c3839d1360d8f92c7e02cbf4e8cf2861ed9f596b83a6. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f3e0da05-9eec-4fce-aea4-bb898c095e99.json and https://artists.proofprofile.net/proofs/artist/f3e0da05-9eec-4fce-aea4-bb898c095e99.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Hana ni Natte/ Be a flower ("The Apothecary Diaries")
Akuma no Ko/ Child of Evil ("Attack on Titan")
Shikairo Days ("My Deer Friend Nokotan")
Shikairo Days ("My Deer Friend Nokotan") [FULL VERSION]
Requiem der Morgenröte ("Attack on Titan")
Hyakka Ryouran ("The Apothecary Diaries")
What It Sounds Like ("K-POP Demon Hunters")