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 0x9fd514c24833058d877a887b75920e29b146e255ba85627bb5abd8201b9781b1. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4ba28f0a-7ae0-4399-b01f-7d20b1a7b93a.json and https://artists.proofprofile.net/proofs/artist/4ba28f0a-7ae0-4399-b01f-7d20b1a7b93a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Music for Calming Puppies - Charming Bossa Nova Guitar
Exquisite Background Music for Sleeping Pups
Delightful Music for Doggies - Trumpet and Alto Sax
Music for Doggies - Trumpet and Alto Sax
Music for Doggies - Phenomenal Trumpet and Alto Sax
Festive Bossa Trombone - Bgm for Resting Dogs
Magnificent Music for Dogs at Home Alone - Bossanova
Music for Doggy Mental Health (Trumpet Jazz)
Successful Ambiance for Separation Anxiety
Music for Doggy Mental Health - Trumpet Jazz
Inspiring Background for Well Behaved Dogs
Backdrop for Serene Puppies - Hot Trumpet Jazz
Backdrop for Anxious Dogs - Elegant Piano
Music for Calm Dogs - Contemporary Piano
Music for Calming Your Puppy (Trumpet and Alto Sax)
Atmospheric Piano and Bell Music - Bgm for Dog Mental Health
Jazz Ballad - Background Music for Calming Your Doggie
Stylish No Drums Jazz - Bgm for Doggy Hotels
Trumpet Jazz - Music for Walks with Dogs
Music for Separation from Dogs - Lovely Vibraphone and Tenor Saxophone
Majestic Music for Chill Dogs - Vibraphone and Tenor Saxophone
(Vibraphone and Tenor Saxophone Solos) Music for Separation from Dogs
Music for Doggy Rest - Vibraphone and Tenor Saxophone
Music for Doggy Relaxing - Vibraphone and Tenor Saxophone
Jazz Quartet - Background for Relaxing Puppies
Breathtaking Jazz Quartet - Background for Relaxing Puppies
Understated Background for Soothing Dogs
(Vibraphone and Tenor Saxophone Solos) Music for Chill Dogs
Spectacular Background for Doggy Relaxing
Number One Music for Relaxing Puppies - Vibraphone and Tenor Saxophone
Spacious Music for Soothing Dogs - Vibraphone and Tenor Saxophone
Vivacious Music for Cute Doggies - Bossanova
Music for Family Dogs - Tasteful Bossanova
Bossa Saxophone - Ambiance for Best Friends
Backdrop for Best Friends - Artistic Bossanova
Terrific Bossa Saxophone - Ambiance for Best Dogs
Music for Sad Puppies - Wicked Latin Music
Inspiring Latin Guitar - Bgm for Keeping Dogs Soothed
Tenor Sax and Trumpet Solos - Music for Chilling Doggies
Scintillating Tenor Sax Jazz - Ambiance for Chilling Doggies
Backdrop for Calming Pups - Trumpet Jazz
Tenor Sax and Trumpet Solos (Music for Chilling Doggies)
Music for Doggy Bedtime - Delightful Smooth Jazz
Backdrop for Energetic Puppy - Smooth Jazz
Electric Piano Solo (Music for Doggies Resting)
Sensational Music for Energetic Puppy - Smooth Jazz
(Soprano Sax Solo) Music for Dogs n Babies
Subtle Jazz Violin - Ambiance for Doggy Summer Chilling
Music for Doggy Moments - Laid-back Jazz Quintet
High-class Music for Midsummer Pups - Jazz Quintet
Happy Pets: Rains, Winds & Thunder To Soothe Your Pets
Dog friendly tunes that will make you sing along
Canine Cadence Lofi: Dog’s Daily Harmonies
Lofi Woof Serenade: Melodic Moments with Your Dog