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 0x4995353981148fef9af62d49882313a149f7d421760aaa2e02cc6f88ca516f86. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c84408c9-f75f-4ba2-a340-1dd64d2fa6a8.json and https://artists.proofprofile.net/proofs/artist/c84408c9-f75f-4ba2-a340-1dd64d2fa6a8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Wonderful Music for Afternoon Relaxation - Trumpet Jazz
Phenomenal Music for Anxiety - Trumpet Jazz
Trio Jazz - Background Music for Co Working Spaces
Casual Music for Work from Home - Trumpet Jazz
Music for Afternoon Relaxation - Smooth Trumpet Jazz
Carefree Big Band - Ambiance for Cooking at Home
Backdrop for Cooking at Home - Vibraphone
Music for Remote Work - Friendly Vibraphone
Jazz Trio - Ambiance for Preparing Dinner
Tremendous Background Music for Preparing Dinner
Debonair Music for Cooking - Bossa Nova Guitar
Fantastic Music for Study Time - Bossa Nova Guitar
Retro Jazz Trio - Ambiance for Coffee Time
Friendly Music for Breakfast Dates - Bossanova
Trumpet and Alto Saxophone (Music for Dinner at Home)
Trio Jazz - Background Music for Ordering In
Music for Dinner Time - High Class Trumpet and Soprano Sax
Tenor Sax and Trumpet Solos (Music for Shops)
Tenor Sax and Trumpet Solos - Music for Stores
Trio Jazz - Background Music for Stress Relief
(Trumpet and Alto Saxophone) Music for Stress Relief
Bossa Trombone - Background Music for Lunchtime
Bossa Saxophone - Ambiance for Holiday Recharging
Backdrop for Egg Nog Coffees - Bossanova
Bossa Saxophone - Ambiance for New Places
Peaceful Piano Jazz - Ambiance for Co Working Spaces
Bartione Sax solo - Ambiance for Hotel Restaurants
Piano Jazz - Background for Cooking Classes
Sultry Music for Creative Work - Chill Out Guitar
Background Music for Trigerring Inspiration
Jazz Ballad - Music for Work Productivity Hacks
Music for Unique Perspectives (Vibraphone and Tenor Saxophone)
Relaxed Quartet Jazz - Bgm for Study and Sleep
Dashing Music for Relaxing Spring Time - Trumpet, Electric Piano, Alto Sax and Soprano Sax
Fantastic Background for Favorite Coffee Orders
Incredible Trio Jazz - Bgm for Work and Study
Music for Boutique Coffee Roasters - Trumpet, Electric Piano, Alto Sax and Soprano Sax
Smooth Jazz - Background Music for Fresh Java Spots
Music for Inspiring May (Trumpet, Electric Piano, Alto Sax and Soprano Sax)
Wondrous Smooth Jazz - Bgm for Vacations in May
Opulent Music for Inspiring May - Trumpet, Electric Piano, Alto Sax and Soprano Sax
Wicked Quartet Jazz - Background for Chill Imaginations
Tenor Sax Solo - Music for Calming Night
Quartet Jazz - Background for Calming Night
Music for Summer Exploring - Outstanding Soprano Sax Solo
Backdrop for Summer Exploring - Soprano Sax Solo
Music for Night Fever - Jazz Guitar Solo
Music for Funky Jazz - Sultry Jazz Guitar Solo
Soprano Sax Solo - Music for Jazz and Chill
Trumpet Bossa - Ambiance for Lively Overtones
Backdrop for Energizing Coffee Beverages
Jazz Organ - Bgm for Classic Daydreaming
Thrilling Background Music for Summer Delight
(Guitar Bossa Nova) Music for Serious Study
Music for Summer Abstract (Trumpet, Soprano Sax, Tenor Sax and Guitar)
Relaxed Music for Iconic Seasons - Jazz Quintet
Trumpet Bossa - Background for Jazzy Recliners
Lonely Music for Coffee Summers - Jazz Quintet
Music for Mystical Days - Beautiful Jazz Quintet
Lovely Saxophone Bossa - Bgm for Coffee and Mental Health
Backdrop for Late August Travels - Jazz Organ and Guitar
Inspired Music for Coffee Relax Zones - Harmonica Solo
Majestic Jazz Trio - Background for September Dream
Jazz Piano Duo - Ambiance for Morning Sunshine
Music for Coffee Relax Zones (Harmonica Solo)
Tremendous Jazz Trio - Background for Last Minute Holidays
Extraordinary Trio Jazz - Bgm for Seasonal Thought
Music for Redemption Mode - Jazz Organ and Guitar
Music for The Presence - Jazz Guitar Solo
Backdrop for Dusk Lights - Jazz Guitar Solo
Classic Music for Entertaining Ways - Piano Duo
Contemporary Ambiance for Entertaining Ways
Distinguished Quartet Jazz - Background for The Presence
Jazz Piano Duo - Ambiance for Jazzy Oceans
Binaural Music: Heavenly Evening Sounds Vol. 1
Quartet Jazz - Background for Quiet Loungers
Music for Quiet Loungers - Jazz Guitar Solo
Relaxed Latin Trumpet - Ambiance for Pathway Serenity
Bright Background Music for Pathway Serenity
Jazz Violin - Background for October Mindfulness
Happy Saxophone Bossa - Bgm for Fresh Feelings
Guitar Trio - Background for Daylight Boosts
Astounding Background for Peaceful Smiles
Music for Mind Soothing Fall - Exquisite Trumpet, Soprano Sax, Tenor Sax and Guitar
Music for Reflection Sounds (Bossa Guitar Trio)
Music for Courageous Friday - Wicked Soprano Sax Solo
Guitar Bossa Nova - Music for Autumn Leaves
Music for Courageous Friday - Soprano Sax Solo
Backdrop for Infinite Days - Charming Bossa Guitar Trio
Music for New Experiences (Trumpet, Soprano Sax, Tenor Sax and Guitar)
Tenor Sax Jazz - Ambiance for Sounds of Success
Alluring Tenor Sax Jazz - Ambiance for Accepted Starts
Music for Vibrant Streets - Jazz Quintet
Carefree Background for Sounds of Success
Jazz Violin - Background for SIlent Solutions
Wicked Music for Gold Winter - Jazz Quartet
Astounding Piano Bossa Duo - Background for Smooth Timbers
Cultivated Background for Golden Yesterday
Guitar Quartet - Background Music for Welcoming Power
Bossa Nova Piano Duo - Background Music for Smooth Timbers
Music for Welcoming Power - Lively Acoustic Guitars
Music for November Nocturnal - Jazz Quintet
Jazz Violin - Ambiance for November Nocturnal
Jazz Violin - Ambiance for Old-Fashioned Originals
Lively Jazz Organ - Bgm for Occassional Happenings
Music for On Cloud Nine - Refined Jazz Guitar Solo
Binaural Beats: Power Yoga Meditation Music Vol. 2
Breathtaking Background for Morning Nocturnes
Elegant Jazz Trio - Ambiance for Vague Details
Backdrop for Vague Details - Stellar Jazz Organ and Guitar
Piano Jazz Duo - Background for Misty Sunday
Music for Coffee Escapes - Dream-Like Piano Duo
Bright Music for Shadowy Stars - Jazz Quintet
Zen Concentration: Peaceful Jazz for Deep Focus
Study Rhythms: Coffee Shop Jazz for Studious Minds
Feline Jazz Haven: Lounge Melodies for Cats
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 0x27fe938d3a5af89956e12f1358caa460818709306ad96dc3adf574d4df0e1064. Chain 2 (Bitcoin): anchored in block 959037 (2026-07-21T16:59:47Z), 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/QZ5FN2480798.
Rhythms in Shadow: Jazz Piano After Dark
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59183b66fc01b2da038c466a24f222eedaa5079c5a4942c905e5e1bb86e8a919. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T16:43:12Z), 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/USLZJ2462678.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ab6d4a8d53eebaf3496b0922934eba0a382b67707d24450661ff4a0a4a3277f. Chain 2 (Bitcoin): anchored in block 958987 (2026-07-21T11:21:39Z), 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/USLZJ2462718.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc91fd861a71d8e39810863326212d376a49b75e39f259cb358e58534578b1f7. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/USLZJ2462730.
6 Hours of Relaxing Smooth Jazz & Morning Cafe
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b2349c208e9557ee37346e25fc6ad74bc3c1bae830816541ad11bb766ec0603. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/GBPS85501505.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bc78a51868cb7aa0c77e71545d143d3a40ff51f6cecde3cdb29921e8ad3c82f. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T00:27:37Z), 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/GBPS85501510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9bc0d2a43cd3cdc3bef899abe5ef37bbbdfa471a4994d569b1d79360c5feab7. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/GBPS85501476.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaac00b7cf3ae400248b0d27ad2d0377ab179c02dc0c16f682d1f1df30cd119d. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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/GBPS85501598.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a616e750ce169a421169f2df7bf1089584497069b97c52288c8c2fe240cfd6a. 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/GBPS85501586.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x331c74663cfcc9ea6580c49188c15af58386d9a9249f4b6cde8f64984e8031e9. Chain 2 (Bitcoin): anchored in block 958987 (2026-07-21T09:04:56Z), 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/GBPS85501549.
Jazz Piano's Soothing Sounds: Baby Sleep
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27f4a93aabce496ca60bb64a5081444391fb95a6c616ba711141d3a67d101424. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBRKQ2413704.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98b30ae30a788d6899b43415f82c0d42d7330926a0904d5e68c2481bdbbb081b. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/GBPS84893915.
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 0x5e6f2be6c064c3f58f7272c7f7ec441599789e46a621b604efc81051e8d9c2d3. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/GBRKQ2413699.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e249cb53e85c14d3f92165982cb8641f24a7baf35452c1d80e316631eca5984. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/GBRKQ2413712.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3933877fb3c5dfc0f99d558b00bf962f5cf8d6813c68d1d1eb160b558c924f5e. Chain 2 (Bitcoin): anchored in block 960179 (2026-07-30T00:39:11Z), 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/GBRKQ2413721.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcdd22ff62703b393e007b36085a69068718cd5b1b6b9b47f865fa351c4f1c66. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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/GBRKQ2413759.