Dead Leaves is a 2004 Japanese animated science fiction film produced by Manga Entertainment and Production I.G and directed by Hiroyuki Imaishi. It was distributed in Japan by Shochiku, in North Amer
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 0x465f00bb9e6f3475ff0e6be56c1526ab6c3e6eebdd96a1728bf4ce07ead18f55. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/177b4ace-2c11-45d1-a3bf-e9a45fe2cfb7.json and https://artists.proofprofile.net/proofs/artist/177b4ace-2c11-45d1-a3bf-e9a45fe2cfb7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).