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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe87f0b8c9fbfbe043795e5f481067063f50526f24eda49045b6e2ba819f18bd8. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c3c7bea8-f274-4a0c-8e9a-04db3c22e5a6.json and https://artists.proofprofile.net/proofs/artist/c3c7bea8-f274-4a0c-8e9a-04db3c22e5a6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Scintillating Music for Offices - Trumpet Jazz
Vibraphone Solo (Music for Work from Home)
Bright Music for Cooking Dinner - Tenor Saxophone
(Tenor Saxophone Solo) Music for Cooking
Funky Jazz Trio - Ambiance for Preparing Dinner
Contemporary Background Music for Preparing Dinner
(Flute, Alto Saxophone and Jazz Guitar Solos) Music for Remote Work
Music for Remote Work - Bossa Nova Guitar
Number One Music for Eating - Trumpet and Alto Sax
Phenomenal Jazz Trio - Background for Eating
Trumpet and Soprano Sax Solos (Music for Dinner Time)
(Trumpet and Alto Saxophone) Music for Dinner at Home
Music for Breakfast Time (Trumpet and Alto Sax)
Music for Reducing Stress - Entertaining Trumpet and Alto Sax
Backdrop for Staying Fresh - Romantic Trumpet and Alto Sax
Backdrop for Recharging Routines - Trumpet and Alto Sax
Trumpet Solo - Ambiance for Quiet Work Time
Jazz Violin - Ambiance for Summering with Jazz
Understated Jazz Violin - Background for Long Summer Days
Music for Simple Curiosity (Harmonica Solo)
Music for Relaxing Experiences - Happy Harmonica Solo
Music for Sweater Weather - Artistic Piano Duo
Acoustic and Electric Piano Jazz Duo - Background Music for New Moods
Romantic Latin Trumpet - Ambiance for Moments of Winter
(Piano Jazz Duo) Music for Invisible Coffee
Phenomenal Background for Lazy Winter Moments
Jazz Piano Duo - Ambiance for Pure Moments
Saxophone Bossa - Bgm for Sweaters and Coffee
Backdrop for Keen Spirits - Bossa Guitar Trio with Jazz Organ
Sumptuous Bossa Guitar Trio - Ambiance for Keen Spirits
Music for Keen Spirits - Bossa Guitar Trio with Jazz Organ
Classical Jazz Piano for Pets and Owners
Jazz Harmony: Study Breaks with Smooth Lounge Music
Jazz Paws & Whiskers: Coffee Lounge Melodies for Happy Pets
パウジティブリー・パプタスティック
バーキン・アップ・ライト・トゥリー
Soulful Jazz Aromas: Café Lounge Reverberations
ビーツ・フォー・ア・禅・ドッグ
チル・パウズ・アンド・メロディーズ
Downtown Jazz Music: Metropolitan Life Rhythm