1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x88162b34c73a0264e082567b5d23bcb73a6e18acd0207b00dd6a2370d9ab9782. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/266e34a6-312b-42e1-946d-aac3be4006ff.json and https://artists.proofprofile.net/proofs/artist/266e34a6-312b-42e1-946d-aac3be4006ff.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Afternoon Ambience at a Tiny Coffee Shop
モーニングブレンドにあうまったりジャズ
晴れた日に聴きたいさわやかジャズ
Cozy Jazz that Feels Like a Fall Morning
軽快なテンポのリラックスジャズ
クラシックホテルのカフェで楽しむ贅沢なひととき
A Luxurious Moment at a Grand Hotel Cafe
路地裏カフェで流れるギタージャズ