Ain Anger (born 17 June 1971) is an Estonian opera bass. Life and career Born in Kihelkonna, Anger grew up on the Estonian island Saaremaa."Ain Anger", , 2013 He commenced his vocal training at Tal
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 0x8642a8193e00831ef910aee4b3b4c61655cc0a779d9a315931157334dfacb552. 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/50220a7e-f96c-430c-8c83-b3c6071cb91e.json and https://artists.proofprofile.net/proofs/artist/50220a7e-f96c-430c-8c83-b3c6071cb91e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).