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 0x271ba4512a27b20357039863c6d5d028b67c226d1cf5dc69d492082a10904798. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0581ea1c-aaac-4bdf-9b37-742e382f82d5.json and https://artists.proofprofile.net/proofs/artist/0581ea1c-aaac-4bdf-9b37-742e382f82d5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Die Café-Hintergrundmusik - Lernen Mit Bossa Nova
The Cafe BGM - Morning Coffee and Bossa Nova
Morning Jazz - Energizing Jazz for Waking Your Body and Mind Up
Chill Morning Jazz -Morning Wake Up with Refreshing Iced Coffee and Music
朝から勉強に集中できるモチベーションアップジャズ
Morning Motivation Jazz for Focused Study
Jazz Music to Transform Your Home into a Chic Cafe
おうちをおしゃれカフェ空間に変えるジャズBGM
贅沢ホテルのカフェラウンジ音楽
気持ち良い朝を迎えるカフェジャズ
Upbeat Jazz to Boost Your Morning Motivation
モチベーションを上げる朝のアップテンポジャズ
朝のコーヒーとリラックスジャズ
Luxurious Jazz to Enrich Your Morning Moments
上質な朝の時間を彩るラグジュアリージャズ
優雅なカフェタイムに味わうスムースジャズ
Perfect Jazz Time with the Aroma of Coffee
スローな朝にぴったりなおうちカフェジャズ
心がほどけるスロータイムジャズ
おうちで味わう癒しのカフェ音楽
リモートワークがはかどるゆるジャズ
Laid-back Jazz for a Productive Remote Workday
優雅な時間を彩るリゾートジャズ
Jazz for a Resort Hotel Lounge Experience
リゾートホテルのラウンジで聴くジャズ
バルコニーで聴くおだやかなモーニングボッサ
午後のカフェで流れる癒しのボッサ
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 0xd202fd8b1907a56c54a5088fdbc9f177420da4f62877e48cff9c082f563a0b8c. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/JPN292525727.
まったり休日に流れる優しいカフェジャズ
おうちで楽しむリゾートカフェジャズ
晴れた日の心地よいモーニングボッサ
Comfortable Weekend Jazz at an Easy Pace
まったり朝のコーヒーブレイクジャズ
Gentle Jazz Soundtrack for Reading & Daydreaming
まどろむ午後の読書時間にあうおだやかなジャズサウンド
朝の読書時間にぴったりの穏やかなピアノボッサ
Gentle Piano Bossa for a Peaceful Morning Reading
優雅なコーヒータイムを彩るラウンジジャズ