thumb|Anna Shulgina in 2018 Anna Alexandrovna Shulgina (; born June 21, 1993, in Moscow, Russia) is a Russian film and stage actress, folk-rock-singer and television presenter. Biography Born in Mo
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 0x4126323aa2f7fc9171ca259fec4027a81c6421c6208f0ae733c43a848ceb1d51. Chain 2 (Bitcoin): anchored in block 953638 (2026-06-14T13:10:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/38e1c293-06b2-42bc-9155-ce177bb027b5.json and https://artists.proofprofile.net/proofs/artist/38e1c293-06b2-42bc-9155-ce177bb027b5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).