Jonathan Epstein is an economist who worked on the implementation and establishment of Australia's sovereign wealth fund, the Future Fund as a senior analyst and adviser to the chairman. He helped wi
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 0xc5514831cca8855195c70c02d1716c6af9f78e02ad41a5be12352c73cdff58fe. Chain 2 (Bitcoin): anchored in block 954717 (2026-06-21T15:47:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f3657884-75a3-4d8a-bb5e-ce33df726c2c.json and https://artists.proofprofile.net/proofs/artist/f3657884-75a3-4d8a-bb5e-ce33df726c2c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).