1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0xc5d6c4de762877f9b263f53c874d5e9e341e2968ddda7ba6be49de9a1350bd43. Chain 2 (Bitcoin): anchored in block 954593 (2026-06-20T19:46:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/be1e30e5-491b-4e31-bd37-4ad42c39bd96.json and https://artists.proofprofile.net/proofs/artist/be1e30e5-491b-4e31-bd37-4ad42c39bd96.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
A Place, Dark & Dark -観た事のないものを好きなだけ- 第一章 春
A Place, Dark & Dark -THE LAND OF DO-AS-YOU -PLEASE-
A Place, Dark & Dark - The Land Of Do-as-You - Please-
A Place, Dark & Dark -In Memory of Louis-
A Place, Dark & Dark -ダイヤモンドは傷つかない- 第二章 夏
A Place, Dark & Dark -性器を無くしたアンドロイド- 第三章 秋
A Place, Dark & Dark - A Place, Dark & Dark -
A Place, Dark & Dark -永遠の終わりまでYESを- 第四章 冬