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 0xbadd80cb1ffdc460d6c252d732f9e9e54ccd0674114ccf089001ed163f39a2f5. 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/0d571236-80be-45b4-846b-69c4d5cd3cac.json and https://artists.proofprofile.net/proofs/artist/0d571236-80be-45b4-846b-69c4d5cd3cac.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Rakujitsu no Oukoku to Akatsuki no Koukeisha
Akatsuki no Shugosha to Honoo no Regaria
Tsukiakari no Komoriuta ~Tensho no Sora yori~
Tokoyami no Shi Matou Naraku no Ou -arrange-
Kamiyadori no Mori to Himitsu no Okurimono
Ketsui no Kusari to Taizai no Syutsugoku
MementoMori Lament Collection Vol.1 (English Ver.) [3]
MementoMori Lament Collection Vol.1 (English Ver.) [2]
Before Our Heartbeats Intertwine - English Ver.
To the Most Beautiful Miracle of All - English Ver.
Trip on Planet Confuzzled - English Ver.
The Time-Travelling Macaron - English Ver.
MementoMori Lament Collection Vol.1 (English Ver.) [1]
Anemone - Lament Collection English Ver.
I Am What I Am, Or Maybe I'm Not - English Ver.
Orion Shining Above the Skies at Noon - English Ver.
MementoMori Lament Collection Vol.2 (English Ver.)