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 0xc99361782404db5a1d8bfac345c948ad8ea0249612e4542a81ad726ba2972ad9. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d58e1c46-2998-4952-aa8b-299b4e505584.json and https://artists.proofprofile.net/proofs/artist/d58e1c46-2998-4952-aa8b-299b4e505584.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Velvet Weekends: Smooth Jazz 90s Collection
Smooth Jazz 90s – Calm Nights Grooves for Weekend Chill & Good Times
Jazz & Soul R&B – Smooth Instrumental Grooves for Relaxing & Chilling
Smooth Jazz x Soulful R&B Beats for Concentration, Relaxation & Chill Nights
Smooth Jazz 90s – Relaxing Calm Vintage Instrumentals for Quiet Evenings
Smooth Jazz & Soulful R&B Mix Perfect Background for Work & Relaxation
Evening in the Jazz Club – 1950s Cool Jazz Classics for Smooth Relaxation & Nostalgic Vibes
The Ultimate 1950s Jazz Mix – Smooth Relaxation Music for Late Nights & Quiet Thoughts
Midnight Cool Jazz – 1950s Sax & Piano for Deep Relaxation & Late-Night Calm
Calm Like the 50s – Smooth Cool Jazz for Stress Relief, Sleep & Quiet Evenings
Smooth Jazz x R&B Flow – Chill Grooves for Peaceful Days & Relaxing Evenings