Ego-Wrappin (stylised as EGO-WRAPPIN) is a Japanese jazz and rock musical duo, composed of vocalist Yoshie Nakano and guitarist Masaki Mori. The group formed in Osaka in 1996, releasing their debut al
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 0x0bf3f0694da94964b9676555698aa6e8b590130361acf10bc88d2210de5efeac. Chain 2 (Bitcoin): anchored in block 954623 (2026-06-20T23:40:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cadfb100-624c-4552-9cb6-b8e88eca6f7a.json and https://artists.proofprofile.net/proofs/artist/cadfb100-624c-4552-9cb6-b8e88eca6f7a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).