Halley may refer to: Science Halley's Comet, officially designated 1P/Halley, a comet that becomes visible from Earth every 75-76 years Halley (lunar crater), a lunar crater named after Edmond
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 0x5d074ae08bf2328e528da2128d2fd1ef55f069ecf9ae32210b7e6a5e1345942f. Chain 2 (Bitcoin): anchored in block 953807 (2026-06-15T16:39:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/eb034823-5311-45cf-b5c6-0c2850435df2.json and https://artists.proofprofile.net/proofs/artist/eb034823-5311-45cf-b5c6-0c2850435df2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).