Girl detective is a genre of detective fiction featuring a young, often teen-aged, female protagonist who solves crimes as a hobby. History The term “girl detective” appeared in New York Nell, the Bo
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 0x5f97d6cada978e7562fd48aa7f9919b73c2f002103be03472a58587a5bf76866. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/019d6687-4d66-414d-a064-ba22cdb0bb6b.json and https://artists.proofprofile.net/proofs/artist/019d6687-4d66-414d-a064-ba22cdb0bb6b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).