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 0x280d3458fa86ebee6b995df7a53762ec9b5cdd308f28bed4edc92247969290f2. 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/775ab611-52e2-4d31-b861-e1bb3d3a3635.json and https://artists.proofprofile.net/proofs/artist/775ab611-52e2-4d31-b861-e1bb3d3a3635.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
We are the Devilish Whisper of Melancholy
Sultry Music for Cool Restaurants - No Drums Jazz
Joyful Jazz Trio - Ambiance for Resting Easy
Trumpet and Alto Saxophone - Music for Cocktail Nights
Jazz Ballad (Music for After Hours Work)
Music for Taking Notes - Suave No Drums Jazz
Jazz Guitar Solo - Background Music for After Hours Work
Music for Work from Office - No Drums Jazz
Spacious Background for Comforting Cacophony
Music for Glitz and Glamour - Groovy Jazz Guitar Solo
Fiery Jazz Quartet - Bgm for Glitz and Glamour
Backdrop for Bright Dedication - Soprano Sax Solo
(Tenor Sax Solo) Music for Turning Heads
Jazz Violin - Background for Laid Back Overtones
Fashionable Jazz Trio - Ambiance for Beach Holiday
Backdrop for Coffee and Waffles - Trumpet Solo
Music for Busy Work Sessions (No Drums Jazz)
Trumpet Solo - Background for Busy Work Sessions
Music for Tranquil Focus - Mellow No Drums Jazz
Groovy Tenor Sax Jazz - Background for Meditative Rhythm
Music for Loafing Evening - Jazz Quartet
Music for Evening Intros (Piano Bossa Nova Duo)
Music for Evening Country - Piano Bossa Nova Duo
Music for Slow Times - Fun Piano Bossa Nova Duo
ジャズチューンで植物を育てよう
冷たいジャズトラックで植物を育てよう