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 0x528c6ef207c75ecef0707a62907c2e8bbd7a3c5d8c31e69c7cfe992114a70f5d. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e0be1085-a511-414e-8990-3797669d6551.json and https://artists.proofprofile.net/proofs/artist/e0be1085-a511-414e-8990-3797669d6551.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Pleasant Quiet Reading Time and Music-a Book from a Bookstore
Barista on a Break - Coffee Club Concerto
Barista on a Break - Cappuccino Goodness
Rhythms of Work:気分転換&集中のためのBGM - Sound Stage
海辺のカフェで流れるほっこりジャズ
ふわっと柔らかい朝に聞きたいゆったりBGM
Rhythms of Work:気分転換&集中のためのBGM - Never Step Away
Cafe on the Shore - Private Coffee Breaks
Calmer by Page - Rhythmic Reading Machine
Rhythms of Work:気分転換&集中のためのBGM - Method Of Work
Rhythms of Work 〜気分転換&集中のためのBGM〜 The Keys to Revision
海辺のカフェで流れるほっこりジャズ - An Ode to Fresh Days
Cafe on the Shore - An Ode to Fresh Days
Rhythms of Work:気分転換&集中のためのBGM - Outside the Box
Cafe on the Shore - Coffee Cup Collective
Rhythms of Work:気分転換&集中のためのBGM - Vibing till Vacation
Rhythms of Work:気分転換&集中のためのBGM - In the Zone for Work
Rhythms of Work:気分転換&集中のためのBGM - Make it Happen
海辺のカフェで流れるほっこりジャズ - Jazzy Coffee
Rhythms of Work:気分転換&集中のためのBGM - The Theme of My Work
Rhythms of Work:気分転換&集中のためのBGM - My Superpower
お気に入りのバーで流れる心地いいBGM - Bartender in Berlin
ゆったり始まる日曜の朝のBGM - Sunshine in the Morning
Barista on a Break - Afternoon in the Park
海辺のカフェで流れるほっこりジャズ - Mellow Morning
Rhythms of Work:気分転換&集中のためのBGM - I Like to Study
My Favorite Lounge - Bartender in Berlin
海辺のカフェで流れるほっこりジャズ - Coffee, Tea and Sympathy
Rhythms of Work:気分転換&集中のためのBGM - Work is Good
Cafe on the Shore - Coffee, Tea and Sympathy
Rhythms of Work:気分転換&集中のためのBGM - The Keys to the Theme
Rhythms of Work:気分転換&集中のためのBGM - The Sound of My Mind
海辺のカフェで流れるほっこりジャズ - Hawaiian Dream
Rhythms of Work:気分転換&集中のためのBGM - Reflecting on the Task
Rhythms of Work - Reflecting on the Task
海辺のカフェで流れるほっこりジャズ - Beach Cafe
Rhythms of Work:気分転換&集中のためのBGM - Study at the Mall
心地いい静かな読書時間と音楽 - A Book and a Cup of Tea
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89201eb1c6f143049fd0673b5546e48894089c77fa7929bbb8b5a6559a1577ed. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBWUL2217538.
Rhythms of Work:気分転換&集中のためのBGM - Warm up the Mind
Calmer by Page - A Book and a Cup of Tea
夜カフェ時間 - ゆったりムードで聴きたいBGM
お気に入りのバーで流れる心地いいBGM - A Time for Tenderness
Rhythms of Work:気分転換&集中のためのBGM - I'm Gonna Get It Done
My Favorite Lounge - A Time for Tenderness
Rhythms of Work:気分転換&集中のためのBGM - The Future is Now
お気に入りのバーで流れる心地いいBGM - The Sound of Hollywood
Rhythms of Work:気分転換&集中のためのBGM - Working in the Library
My Favorite Lounge - The Sound of Hollywood
Barista on a Break - Cafe in the Morning
Rhythms of Work:気分転換&集中のためのBGM - Effortless Work
Rhythms of Work - Working in the Library
Rhythms of Work:気分転換&集中のためのBGM - Music of the Brain
お気に入りのバーで流れる心地いいBGM - The Night to Remember
My Favorite Lounge - The Night to Remember
お気に入りのバーで流れる心地いいBGM - Tranquil Toughness
Rhythms of Work:気分転換&集中のためのBGM - The Song of Success
Rhythms of Work:気分転換&集中のためのBGM - A Tribute to the Music
ゆったり始まる日曜の朝のBGM - Swinging Sunday Morning
Rhythms of Work:気分転換&集中のためのBGM - Sounds of the Day
Rhythms of Work:気分転換&集中のためのBGM - Beats at Work
Rhythms of Work - The Keys to the Future
Rhythms of Work:気分転換&集中のためのBGM - Set the Tone
Rhythms of Work:気分転換&集中のためのBGM - Beat the Deadline
ゆったり始まる日曜の朝のBGM - The Sunday Morning Sessions
Rhythms of Work:気分転換&集中のためのBGM - In the Zone
Barista on a Break - Chillin' at the Cafe
Calmer by Page - a Book for Sleepless Nights
Rhythms of Work:気分転換&集中のためのBGM - The Sound of Music
Rhythms of Work - The Flourish Will Come
Rhythms of Work:気分転換&集中のためのBGM - Work is Never Done
Secret MenuCalmer by Page - the Author's Tale
Secret MenuCalmer by Page - Book and Song
Rhythms of Work:気分転換&集中のためのBGM - Study the Music
Secret MenuCalmer by Page - a Book by the Sea
Rhythms of Work:気分転換&集中のためのBGM - A Sound Idea
Secret MenuCalmer by Page - Reading with a Smile
Secret MenuCalmer by Page - Chill Out Reading Moods
Calmer by Page - Chill out Reading Moods
Secret MenuCalmer by Page - a Book on a Bookshelf
Secret MenuCalmer by Page - the Written World
Secret MenuCalmer by Page - a Longer Story
My Favorite Lounge - Night in the Lounge
海辺のカフェで流れるほっこりジャズ - The Cake Suite
Rhythms of Work:気分転換&集中のためのBGM - Themes of My Sounds
ゆったり始まる日曜の朝のBGM - The Sunday Morning Session
Sunday Mood - The Sunday Morning Session
海辺のカフェで流れるほっこりジャズ - Coffee and Chocolates
Rhythms of Work:気分転換&集中のためのBGM - Working My Vibe
Rhythms of Work:気分転換&集中のためのBGM - The Beats of my Heart
お気に入りのバーで流れる心地いいBGM - Glamour and Glamour
Rhythms of Work:気分転換&集中のためのBGM - Focus on Tomorrow
お気に入りのバーで流れる心地いいBGM - A Drink to the Past
Rhythms of Work:気分転換&集中のためのBGM - The Start is Now
心地いい静かな読書時間と音楽 - A Book to Fall in Love With
Calmer by Page - A Book to Fall in Love With
Rhythms of Work : 気分転換&集中のためのBGM - Vibes of the Future
Rhythms of Work : 気分転換&集中のためのBGM - I'll Be There
Rhythms of Work : 気分転換&集中のためのBGM - Study for a Lifetime
Rhythms of Work : 気分転換&集中のためのBGM - The Art of Studying