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 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 0x62becb7908fa9a54fe35cb056cea68a28a94eabbdf1d8245073ff84d0b9f174c. Chain 2 (Bitcoin): anchored in block 953762 (2026-06-15T08:21:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b92dd55f-e4f3-4496-9514-ac98235aade5.json and https://artists.proofprofile.net/proofs/artist/b92dd55f-e4f3-4496-9514-ac98235aade5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Trumpet and Alto Saxophone - Music for Calm Puppies
Music for Calming Pups - Wondrous Trumpet and Alto Sax
Trumpet and Alto Saxophone (Music for Doggies)
(Trumpet and Alto Saxophone) Music for Dogs
Music for Sleeping Pups - Urbane Trumpet and Alto Sax
Opulent Music for Serene Puppies - Trumpet Jazz
Incredible Background for Mans Best Friend
Grand Tenor Sax Jazz - Ambiance for Doggy Mental Health
Backdrop for Serene Puppies - Relaxed Trumpet Jazz
Successful Music for Separation Anxiety - Piano
Wondrous Piano Jazz - Ambiance for Resting Dogs
Music for Calm Puppies (Trumpet and Alto Sax)
Bartione Sax solo - Background for Doggy Sleep
Stylish Music for Doggy Sleep - Sax Jazz
Terrific Music for Walks with Dogs - Sax Jazz
Backdrop for Puppy Resting - Entertaining Sax Jazz
Contemporary Jazz Quartet - Ambiance for Sleepy Pups
Backdrop for Dog Therapy - Vibraphone and Tenor Saxophone
Jazz Quartet - Background for Doggy Daycares
Quartet Jazz - Background Music for Doggy Daycares
Thrilling Jazz Ballad - Bgm for Chill Dogs
Atmospheric Piano Jazz - Background for Chill Dogs
Refined Bossa Saxophone - Ambiance for Family Dogs
Contemporary Bossa Saxophone - Ambiance for Cutest Dogs
Easy Music for Doggy Anxiety - Chill Out Guitar
Sultry Guitar Chill Out - Ambiance for Soothing Dogs
Romantic Background for Behaving Puppies
Luxurious Backdrop for Self Care for Dogs
Music for Dog Sleep - Luxurious Chill Out
Music for Dog Relaxation Sessions (Latin Music)
Serene Trumpet Solo - Background for Calming Puppy
High-class Music for Doggy Rest Time - No Drums Jazz
Music for Soothing Doggies - Smooth No Drums Jazz
Luxurious Background Music for Resless Doggy
Laid-back Music for Dog Calming - Chill Out
Music for Sleepy Puppies - Unique Chill Out
Music for Sleepy Puppy - Breathtaking Chill Out
Outstanding Smooth Jazz Chill Out - Background for Calming Puppy
Glorious Background Music for Sleeping Dog
Mind-blowing Smooth Jazz Chill Out - Ambiance for Cool Pups
Music for Cutest Dogs - Understated Chill Out
Music for Cutest Dogs - Artistic Chill Out
Smooth Jazz Chill Out - Ambiance for Calmed Puppies
Swanky Guitar Pop - Ambiance for Happy Dogs
Music for Lonely Pups - Artistic Electric Guitars
Music for Resting Dog - Electric Guitars
Relaxed Music for Sweet Doggies - Electric Guitars
Music for Sweet Dogs - Trumpet, Electric Piano, Alto Sax and Soprano Sax
Smooth Jazz - Background Music for Sweet Dogs
Sprightly Music for Sweet Dogs - Trumpet, Electric Piano, Alto Sax and Soprano Sax
Trumpet Smooth Jazz - Ambiance for Sweet Dogs
Smooth Trumpet Smooth Jazz - Background for Sweet Dogs
Retro Trumpet Smooth Jazz - Ambiance for Sweet Dogs
Dream Like Jazz Violin - Background for Summertime Puppies
Jazz Violin - Ambiance for Nature and Dogs
Sublime Jazz Organ - Bgm for Doggy Summer Chilling
Music for Puppy Moments - Dashing Jazz Quintet
Music for Summertime Puppies - Jazz Quintet
Bright Music for Puppy Moments - Jazz Quintet
Jazz Violin - Ambiance for Doggy Summer Chilling
(Guitar Bossa Nova) Music for The Calm Pup
Guitar Bossa Nova (Music for The Relaxed Dog)
Atmospheric Music for Dogs on Summer Days - Jazz Quintet
Music for Hiking with Dog (Jazz Quintet)
Quintet Jazz (Music for Dogs on Summer Days)
Music for Hiking with Hounds - Jazz Quintet
Jazz Violin - Background for Well Rested Dogs
Music for Meditations for Puppy - Phenomenal Jazz Quintet
Jazz Violin - Ambiance for Meditations for Puppy
Festive Music for Dog Sleepy Sounds - Jazz Quintet
Jazz Violin - Ambiance for Puppy Sleeping Soundtracks
Jazz Violin - Ambiance for Cooled Doggy Bed
Energetic Jazz Violin - Ambiance for Crazy Puppy
Backdrop for Puppy Playing Outside - Jazz Quintet
Music for Potty Training - Latin Piano Jazz
Urbane Music for Training at The Park - Latin Piano Jazz
Unique Background Music for Training at The Park
Music for Doggy Sweater Weather (Piano Bossa Nova Duo)
Latin Piano Music - Music for Best Friend Puppy
Piano Bossa Duo - Ambiance for Autumn and Puppies
Cultivated Music for Playful Friendly Pups - Latin Piano Jazz
Music for Doggy Sweater Weather - Piano Bossa Nova Duo
Hip Music for Doggy Party at Home - Latin Piano Jazz
Easy Listening Piano Music - Bgm for Snoring Dogs
Bright Bari Sax Jazz - Bgm for A Lovely Dog
Sunny Tenor Sax Jazz - Background for The Sleepiest Pup
Bari Sax Jazz - Background Music for Scruffy Dog
Cultivated Background for A Sleepy Hound
Calm Music for A Sleepy Hound - Jazz Quartet
Tenor Sax Jazz - Ambiance for Doggy Grooming Days
Music for Freshly Groomed Doggy - Debonair Jazz Quartet
Brilliant Background Music for Soothing Sleeping Pup
Divine Jazz Violin - Background for A Pleasant Puppy
Acoustic and Electric Piano Jazz Duo - Bgm for Doggy Work
Number One Background Music for Morning Dog Time
Thrilling Background Music for Moonlight Howls
Music for Wolfy Doggy - Sensational Jazz Quintet
Backdrop for Inspired Doggy - Wonderful Jazz Quintet
Jazz Organ - Background Music for A Pleasant Puppy
Suave Jazz Violin - Ambiance for Dog Magic
Jazz Piano Duo - Background for Puppy Training Time
Background Music for Soothing Sleeping Pup
Beautiful Jazz Music for Stress Reduction
Artistic Jazz Violin - Background for Moonlight Howls
Amazing Jazz Piano Duo - Background for Doggo Resting
Successful Background for Calming Dog Days
Simplistic Background Music for Dog Meditations
Jazz Violin - Background for Doggy Discoveries
Jazz Violin - Background for Perfect Puppies
Music for Relaxing with The Puppy (Jazz Quintet)
Music for Calming Your Cancine - Cool Jazz Quintet
Superlative Music for Puppy Memory - Jazz Quintet
Backdrop for Good Times with Dog - Calm Jazz Quintet
Music for Calming Your Cancine (Jazz Quintet)
Backdrop for Dogs Sitting Back and Relaxing
Music for Dogs Sitting Back and Relaxing (Jazz Quintet)
Lively Background Music for Affectionate Doggy
Backdrop for Eager Hounds - Bossa Guitar Trio
Bossa Guitars - Background Music for Pleased Puppies
Music for Chillin with Pups - Playful Alto Sax
Music for Doggy Nap Spaces - Opulent Alto Sax
ウッズ・アンビエンス・リラックス・ジャズ・トラック
Backdrop for Friday Dog Events - Relaxed Jazz Quintet
Music for Lazy Hound - Elegant Jazz Quintet