Emerald Hill may refer to: Emerald Hill, Victoria or South Melbourne, a suburb of Melbourne, Victoria, Australia Emerald Hill, New Zealand, a suburb of Upper Hutt, New Zealand Emerald Hill, Singapore
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 0x93111275180ecbd4c924e73363201f858b8b959046207164a3c2d3c9d3863962. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5661aa9b-af98-4180-add2-a508514d1f03.json and https://artists.proofprofile.net/proofs/artist/5661aa9b-af98-4180-add2-a508514d1f03.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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