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 0xc36d170ee0d8f897e587d1233d83f99073cc3bb96880ba24121c9aa0ae19ab59. Chain 2 (Bitcoin): anchored in block 953877 (2026-06-16T02:39:16Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/04f51201-da39-44a4-ab48-aa89ed4596ea.json and https://artists.proofprofile.net/proofs/artist/04f51201-da39-44a4-ab48-aa89ed4596ea.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Backdrop for Unwinding - Astounding Trumpet Jazz
Spirited Background for Relaxing Evenings
Jazz - Background Music for Fun Office Days
Background Music for Fresh Cooking at Home
Quartet Jazz - Ambiance for Falling Asleep
Music for Feeling Retro - Inspired Jazz Guitar Solo
Music for Easy Summers - Mysterious Chill Out
Outstanding Jazz Organ - Bgm for Happy Sundays
Subdued Music for Relaxed Sunday Nite - Jazz Quintet
Astonishing Background for Moonlight Afternoons
Trumpet Bossa - Ambiance for Breathing Tales
Piano Bossanova Duo (Music for Comforting Reflections)
Music for Amusing Earth - Dream-Like Piano Bossa Nova Duo
二人が同じ空を見つめているなら
Seguir nuestros sueños y a nuestro corazón
La mejor hora para relajarte con plantas
Jazz For Morning Bird’s: Wake Up Relaxed and Ready for The Day
Mood Jazz and Bossa: Nova Instrumental Music, Guitar Easy Listening
Nurturing Pathways: Ambient Piano's Serene Study Haven
Street Jazz Vibe: Music Improvisation, Sounds for Lazy Hours
Perfect Concentration: Improve Memory, Stay Calm and Focused, Instrumental Relaxing Pieces
Dawn Duet: Morning Coffee and First Sight
Italian Garden Dinner: Music for a Memorable Evening
Calming Jazz: Music for Evening Serenity