is a Japanese pop singer famous for her songs "Ryuusei" (part of the Naruto ending themes repertoire) and "Every Time". Her August 2005 single "Promise", is used as Yakitate!! Japan's second opening
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa770a0abe10d687cc835b357e6f6f6f1a25a3ddebe5c87cae254af5e88a73e07. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/622cbcd7-aa04-41f1-8593-cefdff32b48f.json and https://artists.proofprofile.net/proofs/artist/622cbcd7-aa04-41f1-8593-cefdff32b48f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).