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 0x083439cbc943ab6b8f2197d90bec0e8e026209c0e6da40fd0dea5fa11faccf4f. Chain 2 (Bitcoin): anchored in block 953704 (2026-06-14T22:58:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/782224c1-d084-4001-ac50-b20917ab30a1.json and https://artists.proofprofile.net/proofs/artist/782224c1-d084-4001-ac50-b20917ab30a1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Backdrop for Success - Smart Trumpet, Soprano Sax, Tenor Sax and Guitar
(Guitar Bossa Nova) Music for The Best Mornings
Music for Upbeat Moods (Trumpet, Soprano Sax, Tenor Sax and Guitar)
Quartet Jazz - Bgm for Manifesting Creativities
Music for Everyday Rewind (Soprano Sax Solo)
Deep Focus: The Best Binaural Music To Take Your Mind Off Things
Environmental Rain: Beautiful Piano & Rain Music To Work From Home
Boosting Productivity with Uplifting Work Music
Chill Work Day: Binaural Rhythms with Rain Sounds
試験に向けてやる気を高めてくれる音楽
Calm Rainy Workday: Serene Chill Music Rain
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Thunder Focus: Music for Concentrated Effort
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Deep Concentration: Ambient Music for Focused Work
Focus Music: Concentration Study Harmonies
Study Harmonics: Music for Academic Focus
Productive Harmonics: Lofi Music for Work Rhythms
Hjemmearbejdets Klangrejse: Celeste Solopgangs Inspiration
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Soothing Work Music for Peaceful Relaxation