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 0xd23639a0b155ee23f1e02bd135bcd78a4b4fbd7f1290824b3429045191231386. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ba26e629-869b-45c9-9e59-2f885e8e918a.json and https://artists.proofprofile.net/proofs/artist/ba26e629-869b-45c9-9e59-2f885e8e918a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
温泉旅行気分: お家で疲れを癒すヒーリング温泉の音
贅沢気分を感じるスパＢＧＭ: エステサロン店内音楽, 自宅エステ, アロマスパ雰囲気
リゾートスパチルアウト: リラックスできる癒しスパ音楽, バリのビーチ
眠れるスパ音楽: マッサージＢＧＭ, 癒しの水音, 夜のサロンミュージック
癒しのアロマスパ: 心身のリラックス, エステサロン音楽
温泉自然音楽：まったり疲れ取れる心地いい癒しサウンド・水音優しいリフレッシュアンビエント