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 0x82201174ee7cdfb0c2c586f47c66af5cac31f6b16ac59f4b40679e5fae99a257. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/140c83b5-cdfe-4f60-88ee-2481ccadd86c.json and https://artists.proofprofile.net/proofs/artist/140c83b5-cdfe-4f60-88ee-2481ccadd86c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Relaxing Jazz Trio - Background for Reading
Music for Cooking at Home - Electric Piano and Alto Saxophone
Chilled Solo Jazz Piano - Bgm for Work from Home
Lonely Christmas; It Came Upon a Midnight Clear
(Flute, Alto Saxophone and Jazz Guitar Solos) Music for Downtime
Excellent Brazilian Jazz - Ambiance for Study Time
Backdrop for Evenings - Trumpet and Alto Sax
Spirited Jazz Trio - Background for Wellness
Smooth Jazz Chill Out - Ambiance for Cortados
Happening Smooth Jazz Chill Out - Background for Morning Coffee
Divine Jazz Violin - Background for Sunny Classics
Tenor Sax Jazz - Ambiance for Jazzy Cafes
Funky Music for Virtual Meanings - Jazz Quartet
Backdrop for Relaxing Horizons - Fantastic Jazz Quartet
High-class Smooth Jazz Guitar - Bgm for Improving Work
Music for Rain Time - Joyful Harmonica Solo
Hypnotic Jazz Trio - Ambiance for Always Reality
Music for Invisible Mornings - Festive Jazz Organ and Guitar
ハニートーストとホットコーヒー
NY Jazz Café Ambience: Bebop Jazz for Good Mood, Vintage Jazz, Coffee Shop Music
Get Off on the Right Foot: Positive Jazz, Get Up with Good Mood, Feel Happy Tunes
勉強のためのリラクゼーションジャズ
Waking Up Happy: Start Your Day with Some Feel Good Jazz Tunes
Pack these tunes for your next road trip
Seaside Mood: 15 Beautiful Jazz Music with Soothing Ocean Waves in the Background
Jazz for Your First Coffee: Morning Instrumental Music Collection
Romantic Spanish Morning: Soft Instrumental Latin Jazz Music
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 0x12e9bae84f214074183f8bb2487af21d5bb7dde16d2f7b1d2e8f6ac6a1ee3789. Chain 2 (Bitcoin): anchored in block 958430 (2026-07-17T15:33:28Z), 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/UKR4Q2063333.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19d26c15e217a92b1984274efe1dc1ee4ed3e24a373b4638fb6663ea0a68e94a. Chain 2 (Bitcoin): anchored in block 958415 (2026-07-17T12:50:13Z), 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/UKR4Q2063342.
Morning Moods: Romantic Breakfast, Coffee With French Press, Gentle Wake Up Alarm
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cd2c69ed32f4c078384e5c2396aa9ef58bfc0042e614baa4b5ad632f87e8b62. Chain 2 (Bitcoin): anchored in block 958510 (2026-07-18T06:38:22Z), 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/UKR4Q2062066.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x280fd6391a4c667c18acf62f0a3272af51cdf11de42e1224434b40dd671a74eb. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T10:48:52Z), 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/UKR4Q2062075.
Golden Autumn Jazz: Piano Lounge Mood, Early Morning Walk
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb42533d53b8f1d200592c711144371e5dcd91f6ada9eb0dca5829d51a3d126fa. 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/PLS922305629.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe380dadc8f02c96184bdd37bb9ea59e8f1c113f9de17562b564bb6332ed2352b. 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/PLS922305631.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb3eb5867cb7d1260fd20a8364fd364e306773b38ea731b6981776771a614eeb. Chain 2 (Bitcoin): anchored in block 958514 (2026-07-18T06:54:37Z), 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/PLS922305635.
休憩のためのやすらぎコーヒー・チューン
Café Conversations: Instrumental Jazz for Relaxed Mornings
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4d5ab528f5d3f9b37784f0457c9e0d5e2ebb5b7b25319eea6d1c5a60a2517e0. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/UKR4Q2075200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd90754573828ddef69b12c76e56cf9dfc195ee7517a401969ad2dc9aad1cd9ff. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-19T23:51:04Z), 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/UKR4Q2075204.
Jazzmorgon: Bossa Nova Förtrollning under Solens Ankomst
Long Weekend Breakfasts: Uplifting Morning Jazz Music
Klassisk Jazz: Gryningens Sång med Bossa Nova Toner
Soluppgångens Magi: Bossa Nova Klassiska Lounge Favoriter
Gryningens Jazzkapitel: Bossa Nova Uppvaknande
Morgonens Mysterium: Bossa Nova Klassiska Lounge Kompositioner
Soluppgångens Jazzkapitel: Bossa Nova i Morgonbris
Jazzens Gyllene Timme: Bossa Nova Magi i Gryningens Dimma
Viaje de Jazz en la Cima del Edificio con Ondas Lofi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e88158b565bddcf8f737c4f3a5b7b84ddff920049c86061779ce5f030885792. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/PLH492401432.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13fb4b1e68260401f7e8caf45073b867ced8eedc1de3fe05f048dad82d0bf26b. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/PLH492401433.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf45490710cd59eb7ccbe70e3eda2e85120f932352765efcdc92260058459abca. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/PLH492401436.
Morgonpuls Jazz: Bossa Nova Klassisk Lounge
Glimrande Gryning: Bossa Nova Klassisk Lounge