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 0x05b971123a1b3a01b79de7ca6e332db3ef4df02cda28a1bf14a527a3db61a98f. Chain 2 (Bitcoin): anchored in block 954647 (2026-06-21T04:36:58Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d69a24fd-4592-4d19-a143-2d8494dfbd8a.json and https://artists.proofprofile.net/proofs/artist/d69a24fd-4592-4d19-a143-2d8494dfbd8a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Piano Jazz - Ambiance for Private Lounges
Music for Luxurious Trips (Jazz Quartet)
Hip Jazz Trio - Background for Soft Chilling
Music for Soft Chilling (Jazz Organ and Guitar)
Rhythm of Work Productivity in Piano Sounds
Pawsome Piano: The Jazzy Pets' Composers
Dreamy Piano Pieces: The Soothing Sound of Silence
Piano Dog Duets: Musical Connection with Canine Souls
Reflective Meditation: Soothing Piano Sounds for Stillness
Harmonic Knowledge: Jazz Piano Melodies for Study
Baby's Dreamy Piano Lullabies: Serenades for Tender Moments
Yoga Reflections: Jazz Piano Melodies for Tranquility
Cozy Crib Jazz: Piano Lullabies for Baby
Serenity Retreat: Chill Soundscapes for Spa and Massage
Jazz Piano Study Serenade: Concentrated Mind Melodic Tones
Jazz Piano Baby Serenity: Calming Naptime Harmony