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 0x3020958686d6f3fcf7b6ceef358c0194b543e6a4d818b652c958bf7b513501df. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/99333e93-7a77-45b5-b1fb-1b683c99d289.json and https://artists.proofprofile.net/proofs/artist/99333e93-7a77-45b5-b1fb-1b683c99d289.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Supper to Sounds of Trombone: Chill & Soft Bossa Nova Collection, Deep Relaxation with Wine, Romantic Tones for Hotel Guests
Chill Out Jazz Atmosphere for Important Meetings
Good Pieces with the Trombone in the Lead Role
Amazing Trombone Jazz Pieces & Romantic Essentials
Sunny Day in the Blaze of Positive Impressions
Vintage Jazz Tones in Your Home – Spend a Happy Day, Stay in a Good Mood
Chilling Diamond Sax Vibes – Total Chillout, Afternoon Rest with Jazz
Luxury Smooth Jazz - Good Mood, Concentration, Exam Study Music, Feel Good Vibes
Retro Jazz Evening – Trip to the Old, Happy Times
Weekend Jazz Collection - Unforgettable Night, Only Us, Relaxing Mood
Sunny Mood and New Inspirations: Climatic Jazz – Pleasant Dinner, Relaxing Break, Sentimental Memories, Positive Attitude
Climatic Background Jazz – Cup of Coffee, Luxury Hotel Lounge Bar, Tme with Friends, Relaxing Jazz Music
Positive Side of Life – Celebrate Free Time, Feel the Good Vibes with Perfect Jazz Background & Feel Relaxed
Melodic Jazz Sounds & Retro Vibes – Perfect Mood, Positive Sentimental Memories, Relaxing Beats for Special Occasions
Time for a Little Pleasure - New Inspiration for Work: Relaxing Break, Delicious Aromatic Coffee, Smooth Vibes, Jazz Lounge
Night in a Casino Hotel – Luxury Place, Good Entertainment, Relaxing Vibes. Smooth Lounge Jazz
Fire & Water: Charismatic Trombone & Peaceful Piano