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 0xdc8d29f9aadbb10be74e380d15e77946ddbe3511149e73b7eecc88c26a558453. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a75c780e-cf78-4671-9c38-4f0c9b113254.json and https://artists.proofprofile.net/proofs/artist/a75c780e-cf78-4671-9c38-4f0c9b113254.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Charming Bossa Saxophone - Background for Summertime
Office Music - India Lounge and Chillout Music
Concentration Music for Work - Music to Increase Productivity
Relaxation Desk Fountain - Work Music for Office, Nature Sounds for Concentration
Relaxing Sounds for Office - Improve Concentration and Focus
Background Music for Business - Relaxing Music to Boost Productivity
Relaxation for Desk - Background Zen Music for Concentration
Music For A Workday - Concentration Music with Piano & Nature Sounds
Music & Work: The Best Ocean Ambiance To Focus On Your Work
Focus At Work: The Best River Sounds To Play Everyday At The Office
The Piano & The Rain: The Best Music To Study / Read / Work
Quiet Music for Working - Relaxing Instrumental Piano Songs
Enhance Focus and Productivity with Flowing Waters
Study Symphony: Soundscapes for Focus and Work
Concentration Chords Lofi: Study Soundscapes
Professional Vibes Music for Office Flow
Productivity Pulse Rhythms for Office Heroes
Calm Work Vibes for Productivity and Focus
Background Sounds for Office and Study Sessions
Office Vibes: Sounds for a Productive Workspace
Relaxed Office: Calm Music for Busy Days
Office Ambience: Background Music for Focus
Productive Office: Energizing Sounds for Work
Office Harmony: Music for Team Collaboration
Workday Melodies: Uplifting Tunes for the Office
Office Inspiration: Motivational Music for Tasks
Office Chill: Relaxing Sounds for Stress Relief
Creative Office: Inspiring Music for Ideas