Unearthly is a series of young adult urban fantasy novels by American author Cynthia Hand, beginning with the inaugural entry of the same name. The story follows a teenager named Clara, who learns tha
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 0xaf2e062451dd0fad6509dfc0bd24592cc6bd3a3fc553805801db7887840d4e2a. 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/476abb69-8f09-45db-92a4-7b3c3b3c113a.json and https://artists.proofprofile.net/proofs/artist/476abb69-8f09-45db-92a4-7b3c3b3c113a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).