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 0x62d1d566d7176214347c450cafd6799165cb584105291f4dbe9487b625799a03. Chain 2 (Bitcoin): anchored in block 953871 (2026-06-16T01:46:03Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/06a88ebe-e253-48cf-9c6d-87fc2b062c9b.json and https://artists.proofprofile.net/proofs/artist/06a88ebe-e253-48cf-9c6d-87fc2b062c9b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Atmospheric Background for Staying Fresh
Wondrous Jazz Trio - Background for Hotel Lunches
Deluxe Bebop - Ambiance for Busy Morning
Terrific Music for Coffee and Lunch - Trumpet and Alto Sax
Music for Romantic Spring Vibes - Trumpet, Alto Sax and Tenor Sax
Trumpet and Alto Saxophone - Music for Recharging Breaks
Music for Morning Coffee and Chill - Latin Music
Music for Settling Back with Coffee - Latin Music
(Piano Jazz Duo) Music for Lightening Up Atmosphere
Pulsating Music for Meditative Days - Piano Duo
Acoustic and Electric Piano Jazz Duo - Background Music for Sitting Back Jazz
Wicked Music for Beach Moods - Bossa Guitar Trio with Jazz Organ
Music for Acoustic Messages (Bossa Guitar Trio with Jazz Organ)
Music for Creative Night - Successful Jazz Organ and Guitar
安らぎのホテル宿泊サウンドトラック