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 0x38d8f194bac3d1d82819a0fdb18feeab12ca37621662d3f28f73597ec8f743df. 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/0ecc997a-e6ec-4b96-9f66-e15fe9215cb4.json and https://artists.proofprofile.net/proofs/artist/0ecc997a-e6ec-4b96-9f66-e15fe9215cb4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Mind-blowing Tenor Sax Jazz - Ambiance for Self Care
Music for Work from Home - Hypnotic Trumpet Jazz
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 0x7931e7b82feda1ab962577fbb070698035481967513fc6bc692efb07746bc5c0. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/BGA471827922.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe171f90caa1d5f8b1b92e617fe52302e209dbcc93fff2dde3762d26090184ef2. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/BGA471827923.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ab88b9d0243a57b7560deb7bf08b0df618d82333af813365e826bbaf0171795. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/BGA471827924.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x159ca69c9479d8a1fbb1c7bf8d184ae8353154fcbf391f2036a8c0c39319e703. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/BGA471827925.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cad955c5ddb95baaa92c1e2405fb3a73976cecd6e22d348956b84deb6cbcd97. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), 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/BGA471827926.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc78f8ecd27d9001747b88637dc7d972fc2915fded6a05fd87117a520312e6cde. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:17:49Z), 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/BGA471827927.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x513582af78781dcaa6dc3d80b8a0051b27e96a3cc0c66d3ad2a3d6d20e4d9f1e. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T02:46:47Z), 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/BGA471827928.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77e71b80cb328547cb3ac95e81a9211b204b6a2e8091d728d48ca2279353ef73. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/BGA471827930.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x349d32a85c2f2a7480b988c058238376bfa0f600890a8e1c377580fc08e715db. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/BGA471827931.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba7d8314a6acfe69b85a53c30c2104aaa689a7bd8cc1255697de921e453758bd. 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/BGA471827932.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9b0bb0d5038726b3428941e1bf316b16e853bd43e88f3d24825afd9751478fc. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/BGA471827933.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d44c84f99f2243925d7cc83756fbaffa33208e35bfb6e0d1444b1a0d58b96da. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/BGA471827934.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d09ed2138aa9ad3f222348dada459f60df12b0eb9645eb36e69d4f7e6cf8ba5. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/BGA471827936.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c7699bf78b3b1947f2fb9d3971a4b0d2a384f3ffc7a4b94e99a9f159683bc6c. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-17T00:20:03Z), 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/BGA471827938.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c2173473e345a69614f9bfc4952eb1217666c9f3ba0974b98919f0f1190a8bf. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/BGA471827940.
Backdrop for Cleaning - Smooth Vibraphone
Smooth Jazz Piano - Background for Work from Home
Piano Jazz - Background Music for Dinner Time
Jazz Piano - Ambiance for Work from Home
Music for Holiday with Families (Guitar)
Jazz Trio - Background for Work from Home
Sublime Jazz Trio - Background for Cooking Dinner
Christmas Shopping; Hark the Herald Angels Sing
Exquisite Music for Remote Work - Big Band with Vibraphone
Backdrop for Dinner Time - Artistic Trumpet Jazz
Funky Tenor Sax Jazz - Ambiance for Dinner Time
Trio Jazz - Background Music for Relaxing Cafes
Backdrop for Dinner at Home - Fashionable Trumpet and Alto Sax
Bossa Saxophone - Ambiance for Sunday Brunch
Music for Dinner at Home - Simple Trumpet and Alto Sax
Mind-blowing Smooth Jazz Ballad - Bgm for Cooking
Laid-back Smooth Jazz - Ambiance for Meals
Music for Meals - Delightful Trumpet and Soprano Sax
Music for Brazilian Steakhouses - Astounding Bossa Nova Vocals
Vibrant Backdrop for Coffee with Friends
Backdrop for Organic Cold Brews - Sax Jazz
Music for Coffee with Friends - Sax Jazz
Trumpet Jazz (Music for Coffee After Work)
Music for Wellness (Trumpet and Alto Sax)
Soulful Bartione Sax solo - Background for Coffee with Friends
Backdrop for Resting at Coffee Shops - Trumpet and Alto Sax
Big Band with Tenor Sax - Bgm for Autumn Moods
Jazz Trio - Background for Studying Moods
Lonely Background Music for Rainy Evenings
Music for Relaxing Sessions - Big Band Ballad with Guitar
Big Band Jazz Ballad (Music for Lunch Break)
Music for Coffee at Lunch - Refined Big Band Ballad with Guitar
Backdrop for Lunch Break - Big Band Ballad with Guitar
Music for After Work Dinner (Big Band Ballad with Guitar)
Music for Bars (Big Band Ballad with Guitar)
Music for Coffee at Lunch - Suave Big Band Ballad with Guitar
Cool Music for Lunch at Work - Big Band Ballad with Guitar
Bubbly Big Band with Tenor Sax - Bgm for Coffee at Lunch
Music for Bars - Big Band Ballad with Guitar
Backdrop for Brunch with Friends - Fantastic Trumpet and Soprano Sax
(Trumpet and Soprano Sax Solos) Music for Morning Coffee Time
Spirited Music for Room Service - Vibraphone and Tenor Saxophone
Laid-back Jazz Quartet - Ambiance for Extended Vacations
Simple Music for Extended Vacations - Vibraphone and Tenor Saxophone
Mind-blowing Jazz Quartet - Background for Coffee in Lobbies
Music for Ending the Year Right (Bossanova)
Backdrop for Cold Brews - Easy Chill Out
Bossa Saxophone - Ambiance for Ending the Year Right
Simplistic Music for Yuzu Coffee - Chill Out
High-class Bossa Saxophone - Background for Ending the Year
Bossa Saxophone - Background for Last Minute Getaways
Bossa Trombone - Bgm for Traveling Again
Sophisticated Music for Ending the Year - Bossanova
Bossa Nova - Music for Ending the Year Right
Bossa Nova - Music for Coconut Cold Brew
Music for Gourmet Coffees - Understated Bossanova
Backdrop for Single Origin Espresso - Bossanova
Playful Bossa Saxophone - Ambiance for Organic Coffeehouses
Music for Sunday Brunches - Chill Out Guitar
Music for Breakfast Buffets (Chill Out Guitar)
(Flute, Alto Saxophone and Jazz Guitar Solos) Music for Breakfast To Go
Chill Out Sax - Music for Sunrise with Coffee
Cultivated Background for Breakfast Buffets
Music for Rainy Mornings - Chill Out Guitar
Happening Background Music for Wellness Vacations
Guitar Chill Out - Bgm for Midweek Staycations
Music for Wellness Vacations (Chill Out)
Guitar Chill Out - Background Music for Weekend Holidays
Grand Guitar Chill Out - Bgm for Weekend Holidays
Sophisticated Background for Wellness Vacations
Jazz Ballad - Background Music for Hotel Trips
Music for Spring Break Getaways - Smooth Piano
Backdrop for April Vacations - Festive Piano
Backdrop for Trigerring Inspiration - Peaceful No Drums Jazz
Lively Music for Tokyo Jazz Bars - Piano
Piano Jazz - Background for Spring Break Getaways
Peaceful Trumpet Solo - Background for Rejuvenating Creativity
Inspiring Ambiance for Work Productivity Hacks
Retro Music for Early Spring - Big Band Ballad with Guitar
Incredible Big Band Ballad with Vibraphone - Ambiance for Springtime Feelings
Backdrop for Aesthetic Vibes - Spectacular Big Band Ballad with Guitar
Music for Favorite Coffee Orders (Vibraphone and Tenor Saxophone)
Big Band Ballad with Vibraphone - Ambiance for Happy Spring Moments
Jazz Quartet - Ambiance for Late Night Unwinding
Music for Sunny Days - Big Band Ballad with Guitar
Music for Mood Boosting - Big Band Ballad with Guitar
Backdrop for Sweet Spring - Subdued Trumpet, Electric Piano, Alto Sax and Soprano Sax
Trumpet Smooth Jazz - Background for Foggy Days
Smoky Music for Late Night Unwinding - Vibraphone and Tenor Saxophone
Trumpet Smooth Jazz - Background for Cold Night
Music for Social Feelings (Soprano Sax Solo)
Smooth Jazz - Background Music for Tokyo Coffee Bars
Tasteful Quartet Jazz - Background for Classic Concentration
Quartet Jazz - Ambiance for Classic Concentration
Quartet Jazz - Background for Relaxing Jazz Nights
Simple Background for Relaxing Jazz Nights
Soprano Sax Solo (Music for Jazz Bars and Lounges)
Mysterious Quartet Jazz - Ambiance for Calming Night
Artistic Music for Vacations in May - Trumpet, Electric Piano, Alto Sax and Soprano Sax
Understated Trumpet Smooth Jazz - Background for May Travels
Pulsating Music for Low Key Mornings - Soprano Sax Solo
Music for Summer Momentums (Jazz Organ and Guitar)
Exciting Music for Mellow June Mornings - Jazz Guitar Solo
Jazz Trio - Background for June Explores
Dream-Like Quartet Jazz - Ambiance for June Evenings
Jazz Trio - Background for Seasonal Chill Time
Backdrop for Summer Routines - Modish Soprano Sax Solo
Music for Jazz and Chill (Soprano Sax Solo)
Spacious Music for Night Fever - Soprano Sax Solo
(Guitar Bossa Nova) Music for Energetic Keynotes
Trumpet Bossa - Ambiance for Energetic Keynotes
Hot Latin Trumpet - Ambiance for Soda and Java
Jazz Violin - Background for Quiet in July
Sprightly Quartet Jazz - Ambiance for Sunday Morning Relaxings
Paradise Like Music for Summer Delight - Soprano Sax Solo
Spectacular Jazz Violin - Ambiance for Easy Summer
Phenomenal Jazz Violin - Ambiance for Summer Blues
Marvellous Music for Serious Study - Trumpet, Soprano Sax, Tenor Sax and Guitar
Relaxed Jazz Violin - Ambiance for Summering with Jazz
Music for Long Summer Days - Scintillating Jazz Quintet
(Guitar Bossa Nova) Music for Self Care and Coffee
Music for AM Throwbacks - Jazz Organ and Guitar
Music for Self Care and Coffee - Trumpet, Soprano Sax, Tenor Sax and Guitar
Relaxed Background Music for August Modes
Music for Summer Feel - Inspired Jazz Organ and Guitar
Music for Late Summer Reflections - Easy Jazz Organ and Guitar
Backdrop for September Dream - Smooth Jazz Organ and Guitar
Acoustic Smooth Jazz Guitar - Background for Pleasant Nights
Music for Late Summer Blue (Jazz Organ and Guitar)
(Jazz Organ and Guitar Solo) Music for Last Minute Holidays
Smooth Jazz Guitar - Bgm for Coffee Relax Zones
Music for Redemption Mode (Jazz Organ and Guitar)
Trio Jazz - Background Music for Deep Season
Jazz Organ and Guitar Solo (Music for Redemption Mode)
Music for Seasonal Thought (Jazz Organ and Guitar)
Music for Completely Present (Jazz Guitar Solo)
Smart Music for Deep Realities - Latin Music
Fantastic Background for Mystical Sounds
Latin Guitar - Background Music for Pathway Serenity
Latin Trumpet - Ambiance for Deep Realities
Fashionable Jazz Quartet - Bgm for Decompressing and Coffee
Stylish Quartet Jazz - Background for Tasty Coffee
Music for Another Chill Evening (Acoustic Guitars)
Chilled Bossa Guitar Trio - Background for Soul Sounds
Terrific Background Music for Soul Sounds
Bubbly Jazz Organ - Bgm for October Mindfulness
Music for Tension Relief - Pulsating Bossa Guitar Trio with Jazz Organ
Jazz Violin - Ambiance for Rejuvenating October
Jazz Violin - Ambiance for Fall Positive
Music for Discovering Room - Unique Piano Bossa Nova Duo
Trumpet Bossa - Background for New Experiences
Bossa Nova Piano Duo - Bgm for Sweet Clouds
Music for Powerful Seasons - Laid-back Soprano Sax Solo
Trumpet Bossa - Ambiance for Stress Managing
Quartet Jazz - Background for Courageous Friday
Trumpet Bossa - Background for Wild Morning
Music for Supportive Hours - Friendly Piano Bossa Nova Duo
Guitar Bossa Nova (Music for New Experiences)
Jazz Organ - Background Music for Painful Blues
Jazz Violin - Ambiance for Inspiring Notes
Quartet Jazz (Music for Accepted Starts)
Heavenly Tenor Sax Jazz - Ambiance for Accepted Starts
Lovely Background Music for Less Tension
Vibrant Background Music for Upbeat Ways
Fun Jazz Violin - Ambiance for SIlent Solutions
Latin Piano Music (Music for Winters Love)
Carefree Background Music for Mythical Energies
Carefree Jazz Organ - Bgm for Sure Laughter
Backdrop for Sure Visions - Piano Bossa Nova Duo
Music for Nocturnal Nights - Jazz Quintet
Jazz Violin - Ambiance for Occassional Happenings
Smoky Music for Jolly Victory - Jazz Guitar Solo
Music for Tropical Joys (Jazz Guitar Solo)
Backdrop for Breezy Winter Feels - Mellow Jazz Organ and Guitar
Backdrop for Breezy Winter Feels - Jazz Organ and Guitar
(Jazz Organ and Guitar Solo) Music for Soft Mornings
Music for Private Moment - Relaxing Piano Duo
Debonair Piano Jazz Duo - Background for Coffee Escapes
Piano Jazz Duo - Background for Coffee Escapes
Binaural Music for Chakra Balancing Vol. 1
Jazz Organ - Background Music for Sunny Morning
Relaxed Bossa Guitar Trio - Background for January Surprises
Bossa Guitar Trio - Background for Sunny Morning
Piano Duo and Alto Saxophone - Bgm for Lazy Chill Peace
Music for Mellowing Fridays - High-class Alto Sax
Quintet Jazz - Music for Moonlight Worlds
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff2777757110d53fd4920c3c60241b4277ac547e2c3f390ee46d37149a15345d. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T16:27:18Z), 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/QZV8N6686302.