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 0x87610231fd19bb0e64674fee06ba23a49aaf6c473973fd3166cf20a8cf765088. 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/674ae54b-1759-4725-ba5d-41da937338af.json and https://artists.proofprofile.net/proofs/artist/674ae54b-1759-4725-ba5d-41da937338af.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Book of Love - Read about Relaxation
Focus Retention-Unrealistic Expectations
Focus Retention-the Soundtrack of My Life
Focus Retention (The Morning of Tomorrow)
Night Blue -夜景を見ながらチルアウト& ジャズ
リモートワークがはかどるリラックスジャズ
日曜日のゆっくりした朝のお目覚めジャズ
おいしいコーヒーにゆったりジャズで過ごす午後
Special Vibes -とっておきの時間とジャズ- Synth Sound Lounge
Special Vibes:とっておきの時間とジャズ - A Time for Quiet
Calm & Relax at Night - Universal Energies
今夜にぴったりなゆったりジャズBGM
Cafe House:お気に入りのカフェBGM - Crepe Crescendo
The Book of Love:読書と音楽 - Heart Full of Words
A Happy Morning - The Best Days of My Life
Special Vibes:とっておきの時間とジャズ - Five on the Horizon
Special Vibes -とっておきの時間とジャズ- Memories of My Love
Special Vibes:とっておきの時間とジャズ - Never Be Lonely
Cafe House:お気に入りのカフェBGM - Coffee & Tea with Joy
Cafe House:お気に入りのカフェBGM - Home Cafe Project
極上ワインとゆったりジャズの夜
The Book of Love:読書と音楽 - A Most Pleasant Time
Special Vibes:とっておきの時間とジャズ - Skip through the Chords
Calm & Relax at Night - For Body and Mind
Calm & Relax at Night - Sound in Silence
Calm & Relax at Night - Count the Sparkling Stars
Calm & Relax at Night - Lunar Eclipse Lullaby
The Book of Love:読書と音楽 - A Cup Full of Life
Special Vibes:とっておきの時間とジャズ - All for the Evening
Special Vibes:とっておきの時間とジャズ - A Touch of Luxury
The Book of Love 〜読書と音楽〜 Pianissimo Pages
Calm & Relax at Night - Night of Passion
Special Vibes:とっておきの時間とジャズ - Tasteful Evenings
Mellow and Chilled (Cafe House - Mellow and Chilled)
Cafe House:お気に入りのカフェBGM - A Break from Life
Cafe House:お気に入りのカフェBGM - Coffee and Music
The Book of Love:読書と音楽 - Book-Lovers' Delight
Cafe House:お気に入りのカフェBGM - Beans and Beats
Cafe House:お気に入りのカフェBGM - Coffee and Chords
Calm & Relax at Night - Fantasy for the Night
Cafe House:お気に入りのカフェBGM - A Coffee Shop in the City
Calm & Relax at Night - The Moon and the Stars
Cafe House:お気に入りのカフェBGM - Coffee in the Clouds
Calm & Relax at Night - Under the Moonlight
おうちでゆったりコーヒー時間 - The Best of the Morning
Cafe House:お気に入りのカフェBGM - Morning Jitters
Calm & Relax at Night - Night-Time Stories
My Coffee Time - The Best of the Morning
The Book of Love:読書と音楽 - My Favorite Books
Special Vibes:とっておきの時間とジャズ - Dance with Me
The Book of Love:読書と音楽 - Book of the Year
Special Vibes:とっておきの時間とジャズ - Mysterious Vibes
Cafe House:お気に入りのカフェBGM - A Little Bit Sweet
Cafe House:お気に入りのカフェBGM - Jazz and Serenity
The Book of Love:読書と音楽 - A Book of Sadness
Special Vibes:とっておきの時間とジャズ - Blue Sunset
Cafe House:お気に入りのカフェBGM - Harmonious Cafe
特別な夜に聴きたいリラックスジャズ
The Book of Love:読書と音楽 - Chapter to Chapter
Special Vibes:とっておきの時間とジャズ - Lounge at the End
ハッピーな1日のためのBGM - Sunday Morning Bluegrass
Cafe House:お気に入りのカフェBGM - Coffee House Jazz
Special Vibes:とっておきの時間とジャズ - A Sip of Tones
The Book of Love:読書と音楽 - Words in the Pages
Special Vibes:とっておきの時間とジャズ - The Perfect Evening
The Book of Love:読書と音楽 - Songs of the Page
ハッピーな1日のためのBGM - Somewhere in the Morning
Special Vibes:とっておきの時間とジャズ - Luxury Mood
A Happy Morning - Somewhere in the Morning
Calm & Relax at Night - Beautiful Dreams
The Book of Love:読書と音楽 - Chapter of the Heart
Special Vibes:とっておきの時間とジャズ - The Perfect Blend
ハッピーな1日のためのBGM - Sunday Morning Universe
Calm & Relax at Night - Full Moon Fusion
A Happy Morning - Sunday Morning Universe
Focus Retention - Set the Tone for Success
Cafe House:お気に入りのカフェBGM - Cute Espressos
Cafe House:お気に入りのカフェBGM - A Week of Cafe
Cafe House:お気に入りのカフェBGM - Coffee and Reflections
Cafe House:お気に入りのカフェBGM - Coffee in the City
Special Vibes:とっておきの時間とジャズ - Shimmering Jazz
Cafe House:お気に入りのカフェBGM - Coffee & Tunes
Focus Retention (The Flourish Will Come)
Focus Retention - The Flourish Will Come
Special Vibes:とっておきの時間とジャズ - A Night in the Life
ハッピーな1日のためのBGM - Happiness in the Morning
Special Vibes:とっておきの時間とジャズ - A Drink at the Bar
Special Vibes:とっておきの時間とジャズ - Songs of Love
Calm & Relax at Night - The Night Wanderer
Special Vibes:とっておきの時間とジャズ - Luxury Music
Cafe House:お気に入りのカフェBGM - The Coffee of Life
Calm & Relax at Night - The Science of Silence
Special Vibes:とっておきの時間とジャズ - Wine in the Moonlight
Calm & Relax at Night - Time for Comfy Bed
The Book of Love:読書と音楽 - The Author's Mind
Special Vibes:とっておきの時間とジャズ - Barmy Beats
ハッピーな1日のためのBGM - Sunday Morning Sessions
Cafe House:お気に入りのカフェBGM - The Cafe at the End of the Universe
Special Vibes:とっておきの時間とジャズ - A Night in the Town
ハッピーな1日のためのBGM - Early Sunday Morning Blues
Special Vibes:とっておきの時間とジャズ - Feel Good Night
The Book of Love:読書と音楽 - A Book on the Shelf
Special Vibes:とっておきの時間とジャズ - In the Lounge
The Book of Love:読書と音楽 - A Book to the Sky
Special Vibes:とっておきの時間とジャズ - A Bar at the Beach
Special Vibes:とっておきの時間とジャズ - Dinner Jazz
Calm & Relax at Night - Starry Eyed Serenade
A Happy Morning - The Morning of the World
Focus Retention - the Melody of My Laptop
Calm & Relax at Night - Deep into the Night
A Happy Morning - The Blues on Sunday Morning
Cafe House:お気に入りのカフェBGM - A Sweet Symphony
The Book of Love:読書と音楽 - Book of the Week
Special Vibes:とっておきの時間とジャズ - Cosy and Spacious
ハッピーな1日のためのBGM - Sunday Morning at the Cafe
Focus Retention - Unrealistic Expectations
Cafe House:お気に入りのカフェBGM - Jazz, Coffee and Love
Grooving's LazyFocus Retention - Endless Effort
Cafe House:お気に入りのカフェBGM - Espresso and Melodies
Grooving's LazyFocus Retention - Study of the Day
Special Vibes:とっておきの時間とジャズ - Cocktail Time
Grooving's LazyFocus Retention - Always Learning
Special Vibes:とっておきの時間とジャズ - Warm and Sunny
ハッピーな1日のためのBGM - The Still Early Morning
Cafe House:お気に入りのカフェBGM - Sweet and Salty
Grooving's LazyFocus Retention - the Work of a Master
Special Vibes:とっておきの時間とジャズ - A Day in the City
Cafe House:お気に入りのカフェBGM - A Little Mellow
Grooving's LazyFocus Retention - Deep Work
Special Vibes:とっておきの時間とジャズ - A Night Out
Grooving's LazyFocus Retention - the Study Where I Work
Focus Retention - the Study Where I Work
Grooving's LazyFocus Retention - Work Comes First
Special Vibes:とっておきの時間とジャズ - A Sparkling Night
Cafe House:お気に入りのカフェBGM - Soothing Sounds
Grooving's LazyFocus Retention - Music is My Study
Special Vibes:とっておきの時間とジャズ - Chill to the Night
Grooving's LazyFocus Retention - Time to Start
Special Vibes:とっておきの時間とジャズ - Unforgettable
The Book of Love - The Truth of the Story
ハッピーな1日のためのBGM - Sunday Morning Acoustic
Calm & Relax at Night - Last Shooting Star
A Happy Morning - Sunday Morning Acoustic
Cafe House:お気に入りのカフェBGM - Coffee Bar Lounge
Cafe House:お気に入りのカフェBGM - A Mellow Afternoon
The Book of Love:読書と音楽 - A Book and a Cup
Special Vibes:とっておきの時間とジャズ - The Bar With No Name
Cafe House:お気に入りのカフェBGM - Cafe and Flirt
The Book of Love:読書と音楽 - A Book for Sleepless Nights
The Book of Love:読書と音楽 - A Book to the Future
Special Vibes:とっておきの時間とジャズ - A Night Away from the World
Special Vibes - A Night Away from the World
Special Vibes:とっておきの時間とジャズ - Melancholy Vibes
Calm & Relax at Night - Breeze of the Night
Focus Retention - Study with the Symphony
おうちでゆったりコーヒー時間 - The Mezza of the Morning
My Coffee Time - The Mezza of the Morning