Bolin is a surname or given name. Given name Bolin Chetia, Indian politician Chen Bolin (born 1983), Taiwanese actor Chi Po-lin (1964–2017), Taiwanese documentary filmmaker Liu Bolin (born 1973), Ch
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 0x1f60132d67ed1ff01b09a23305258fafe3b4e3e1742ca21583f37baf2ffa45de. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/52c8d4f1-f50f-4f28-acf1-cc46b45b652f.json and https://artists.proofprofile.net/proofs/artist/52c8d4f1-f50f-4f28-acf1-cc46b45b652f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).