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 0xfa04de37a6bcfb3b00f89da2cb257c5b6449717a393c2a6177be335ef3a8a14d. 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/da67c240-3dc2-45ac-a042-967c3f4192f9.json and https://artists.proofprofile.net/proofs/artist/da67c240-3dc2-45ac-a042-967c3f4192f9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Quintet Jazz - Background Music for Ordering Takeout
Backdrop for Familly Dinner Parties - Trumpet Solo
Music for Staying Focused (Trumpet Jazz)
Backdrop for Mental Exercises - Trumpet and Alto Sax
Phenomenal Jazz Trio - Ambiance for Positive Mindsets
Jazz Trio - Ambiance for Weekday Dinners
Music for Fun Luncheons (Trumpet and Alto Sax)
Lively Bebop - Background for Comfy Offices
Music for Monday at Work - Trumpet, Alto Sax and Tenor Sax
Fantastic Music for Afternoon Tea Time - Trumpet and Alto Sax
Jazz - Background Music for Spring Flings
Unique Background Music for Chill Variety
Music for Chill Variety (Harmonica Solo)
Sultry Music for Sitting Back Jazz - Piano Duo
Wondrous Music for Fun Rhythm - Bossa Guitar Trio with Jazz Organ
Astounding Jazz Organ - Bgm for Beach Moods
Late Night Jazz: Rhythmic Lounge Grooves