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 0x0f4857b21dc9957e71957cdd68f8150c6468101d15523778993cf445b4c53528. 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/c8ae2338-b366-4556-85e6-e8ed017dfff5.json and https://artists.proofprofile.net/proofs/artist/c8ae2338-b366-4556-85e6-e8ed017dfff5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Backdrop for Offices - Refined Trumpet Jazz
Sprightly Tenor Sax Jazz - Background for Offices
Luxurious Background Jazz for Fashionable Dinner Party Fun
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 0xe95d87b479e3ea1420a670021954f4bab8ed69137b8dce04601b94303e38c179. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/BGA471723703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59472fc7ec3c6709b96b88fa299aeaed7f272ec8dff6be515654ab95d76d5261. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/BGA471723707.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5452768da0e8d535221ebc7d3f447dab66837632cf8b2cf8c4fbb089084a176c. Chain 2 (Bitcoin): anchored in block 956482 (2026-07-03T10:33:57Z), 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/BGA471723877.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb792ca8e246939db76041576055aa3bf81881e81aac54c5b78a7f0c4dfc8b83b. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/BGA471723878.
Deluxe Candle Light Dinner Background Music
Sophisticated Jazz for Candlelit Dinners
Music for Cleaning (Electric Piano and Alto Saxophone)
Backdrop for Work from Home - Electric Piano and Alto Saxophone
Music for Cleaning - Sublime Electric Piano and Alto Saxophone
Jazz Piano - Background for Work from Home
It Came Upon a Midnight Clear, Christmas 2020
Lonely Christmas: It Came Upon a Midnight Clear
Spirited Music for Luxury Suites - Piano
Funky Brazilian Jazz - Background for Downtime
Music for Spring Break - Tenor Saxophone
Music for Road Trips - Bubbly Bossa Nova Guitar
Backdrop for Coffee and Studying - Majestic Trumpet Jazz
Happening Tenor Sax Jazz - Ambiance for Cafe Focus
Music for Coffee and Studying (Trumpet Jazz)
Backdrop for First Dates - Mind-blowing Trumpet Jazz
Groovy Music for Dinner Time - Trumpet Jazz
Tenor Sax Jazz - Background for Relaxing Cafes
Tenor Sax and Trumpet Solos (Music for Tea Time)
Hot Tenor Sax Jazz - Ambiance for Date Nights
Paradise Like Ambiance for Relaxing Cafes
Remarkable Smooth Jazz - Ambiance for Enjoying Coffee Outside
Classic Music for Eating - Trumpet and Alto Sax
Number One Jazz Trio - Background for Eating
Cultured Smooth Jazz - Background for Seasonal Vibes
Excellent Background for Classy Restaurants
Music for Autumn Calmness - Energetic Piano
Backdrop for Hotel Lounges - Suave Piano
Music for Dining with Friends (Latin Music)
Background Music for Relaxing with Coffee
(Trumpet and Alto Saxophone) Music for Relaxing with Coffee
Thrilling Background for Afternoon Moods
Backdrop for Relaxing with Coffee - Trumpet and Alto Sax
Marvellous Music for Lounge Bars - Big Band Ballad with Guitar
Music for Quiet Time - Big Band Ballad with Guitar
(Big Band Jazz Ballad) Music for Cool Evenings
Music for Secret Bars - Excellent Big Band Ballad with Guitar
Simple Big Band Ballad with Vibraphone - Ambiance for Secret Bars
Big Band Ballad with Vibraphone - Background for Relaxing Sessions
Music for Final Exams (Trumpet and Alto Sax)
Incredible Background Music for Long Study Sessions
Backdrop for Cool Restaurants - Relaxed Big Band Ballad with Guitar
Big Band Ballad with Vibraphone - Ambiance for Relaxing Sessions
Music for Work Energy - Scintillating Trumpet and Alto Sax
Astounding Trio Jazz - Bgm for Romantic Dinner
Big Band Ballad with Vibraphone - Background for Lunch at Work
Music for Lunch at Work (Big Band Ballad with Guitar)
Trio Jazz - Background Music for Date Nights
Music for Hanging Out (Big Band Ballad with Guitar)
(Big Band Jazz Ballad) Music for Coffee Bars
Music for Reading Time (Big Band Ballad with Guitar)
Jazz Trio - Ambiance for Romantic Dinner
Cultivated Big Band Ballad with Vibraphone - Ambiance for Lunch at Work
Music for Lunch Dates - Sophisticated Big Band Ballad with Guitar
Tranquil Music for Chilling Days - Big Band Ballad with Guitar
Big Band Jazz Ballad - Music for Happy Hours
Big Band with Tenor Sax - Background Music for Dinner Dates
Trumpet Smooth Jazz - Background for Sunday Mornings
Music for Pop Up Restaurants - Phenomenal Big Band Ballad with Guitar
Stylish Big Band Ballad with Vibraphone - Background for Happy Hours
Music for Laying Down (Trumpet, Electric Piano, Alto Sax and Soprano Sax)
(Smooth Jazz Sax) Music for Sunday Mornings
Music for Lunch with Friends - Big Band Ballad with Guitar
Backdrop for Lunch with Friends - Cultured Big Band Ballad with Guitar
Deluxe Big Band with Tenor Sax - Bgm for Dinner Dates
Trumpet and Soprano Sax Solos - Music for Fresh Meals
Festive Smooth Jazz - Bgm for Comfy Moments
Scintillating Background Music for Fresh Meals
Music for Lounge Bars - Pulsating Trumpet and Soprano Sax
Beautiful Music for Fresh Meals - Trumpet and Soprano Sax
Trumpet and Soprano Sax Solos (Music for Gourmet Restaurants)
Backdrop for Organic Coffees - Chill Out
Pulsating Bossa Saxophone - Ambiance for Travels
Music for Resort Hotels - Vintage Bossanova
Bossa Saxophone - Background for Travels
Pulsating Bossa Trombone - Bgm for Resort Hotels
Backdrop for Bar Lounges - Sumptuous Bossanova
Mind-blowing Bossa Saxophone - Background for Brunches
Lively Bossa Saxophone - Ambiance for Eateries
Bossa Saxophone - Background for Classic Restaurants
Music for Downtime - Deluxe Bossa Nova Guitar
Mysterious Guitar Chill Out - Ambiance for Breakfast Buffets
Music for Champagne Brunches (Chill Out Guitar)
Sensational Ambiance for Sunrise with Coffee
Guitar Chill Out - Background for Sunday Brunches
Wonderful Tenor Sax Chill Out - Bgm for Sunday Brunches
Music for Sunday Brunches - Chill Out Guitar
Backdrop for Sunrise with Coffee - Sophisticated Chill Out Guitar
Trumpet Smooth Jazz - Background for Midweek Escapes
Wondrous Music for Weekday Getaways - Trumpet, Electric Piano, Alto Sax and Soprano Sax
(Smooth Jazz Sax) Music for Winter Holidays
Astounding Background for Midweek Escapes
Successful Music for Winter Holidays - Trumpet, Electric Piano, Alto Sax and Soprano Sax
(Smooth Jazz Sax) Music for Midweek Escapes
Jazz Ballad - Music for Coffee and Brunch
Music for Morning Downtime - Simple No Drums Jazz
Sunny Music for Brunch Meetups - No Drums Jazz
Music for Brunch Meetups (No Drums Jazz)
Piano Solo - Music for Coffee with Friends
Music for Coffee and Brunch (No Drums Jazz)
Deluxe Music for Lobby Cafes - No Drums Jazz
Music for Room Service Coffee - Chilled No Drums Jazz
Amazing Jazz Guitar Solo - Bgm for Hotel Brunches
Lonely Piano Jazz - Background for Coffee with Friends
Smooth Jazz Chill Out - Ambiance for Weekend Holidays
Smooth Jazz Chill Out - Background for Wellness Vacations
Backdrop for Lobby Bars - Elegant Trumpet Solo
Music for Wellness Vacations - Chill Out
Mellow Music for Hotel Dining - Chill Out
Breathtaking Background Music for Lobby Bars
High Class Clarinet Solo - Ambiance for Dixieland Vibes
Serene Jazz Ballad - Bgm for Easter Break
Piano Jazz - Background for Quick Holidays
Cool Piano Jazz - Ambiance for Spring Break Getaways
(Piano Solo) Music for Spring Break Trips
Lively Music for Being Busy - Trumpet and Alto Sax
Trumpet and Alto Saxophone (Music for Being Busy)
Music for Long Study Sessions (Trumpet and Alto Sax)
Backdrop for Work Breaks - Trumpet and Alto Sax
Jazz Violin - Background for Cooling Off in Silence
Backdrop for No Stress Summer - Jazz Quintet
(Quintet Jazz) Music for No Stress Summer
Music for Time Boosters - Sultry Jazz Quartet
Backdrop for Gold Collection - Harmonica Solo
Backdrop for Mind Focus - Astonishing Harmonica Solo
Vivacious Background Music for Gold Collection
Music for Soft Minutes - Fabulous Piano Duo
Jazz Piano Duo - Background for Sitting Back Jazz
Extraordinary Background for Lounging Luxury
Backdrop for Lightening Up Atmosphere - Inspiring Piano Duo
Relaxed Music for Moments of Rhythm - Bossa Guitar Trio with Jazz Organ
Easy Bossa Guitar Trio - Ambiance for Fun Rhythm
Bossa Guitar Trio - Ambiance for Moments of Rhythm
Sunrise Coffee Shop Session: Freshly Brewed Beats
Inspiring Jazz Piano: A Creative Study Exploration
Midnight Café Rhythms: Smooth Jazz Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae2c3effd18a3787e8e0f282a961d259bffe673ed2e87da4b0dc39434fc6cc7d. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/PLH492400395.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd88a7c970e9b9b50562f060858dc21800d7b857dfd7016468f9cbd9bb9b095c. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/PLH492400396.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c90a368cbb74bef230612463b5a08d8b9d4cee4600fd8b7fd4fe16adcd8e43b. 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/PLH492400397.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc78e44e920f06eeb88b7fb65f89ebcffbb23b5f6cdf77b0dd1b161d7d56ac4b1. Chain 2 (Bitcoin): anchored in block 960419 (2026-07-31T15:20:33Z), 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/PLH492400400.
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 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 0x2bbf3ad21e5d79cd372297b8247c7a2a342ebca3ff05b76319ba15cfde4e7f89. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/PLH492400402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf98cedba07571be0cdb8d8fe1c900817ce3d6717cd1ab1b211b0ad210dc0530a. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/PLH492400405.