Heathers is a 1989 American teen satirical black comedy crime film written by Daniel Waters and directed by Michael Lehmann, in both of their respective film debuts. The film stars Winona Ryder, Chri
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 0xc17663075f96fc11691093603c0b1266bc7a8b92eb2d52de5bc2a87f0a6bb147. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8b6f1fc3-0a11-43fd-8b34-8feccca57804.json and https://artists.proofprofile.net/proofs/artist/8b6f1fc3-0a11-43fd-8b34-8feccca57804.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).