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 0x0c4cc25cc541c84aa7e0154b011d21b0f49cebe098718a83ae1ef7f86d619d14. Chain 2 (Bitcoin): anchored in block 953903 (2026-06-16T07:05:05Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/159a1a74-15f7-4b7f-8d53-35990e73504f.json and https://artists.proofprofile.net/proofs/artist/159a1a74-15f7-4b7f-8d53-35990e73504f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Can We Have Our Band Back Please? (Live)
Exquisite Background Music for New Experiences
Music for Springtime Stays - Trumpet and Alto Sax
Music for Boring Tasks - Charming Trumpet, Alto Sax and Tenor Sax
Backdrop for Taking Notes - No Drums Jazz
Backdrop for Storytelling - Inspired No Drums Jazz
Music for After Hours Work (No Drums Jazz)
Backdrop for After Dinner Cafe - Magnificent Piano
Music for At Work Chill Out - Happening Jazz Guitar Solo
Number One Music for Falling Asleep - Jazz Guitar Solo
Smooth Jazz Chill Out - Background for June and Chill
Backdrop for Summer Keytones - Jazz Quintet
Sophisticated Ambiance for Summer Holidaying
Phenomenal Background for Hidden Chances
Piano Bossanova Duo - Music for Evening Intros
Vintage Music for Round Mirrors - Piano Bossa Nova Duo
Superlative Piano Bossa Duo - Ambiance for Comforting Reflections
Music for Amusing Earth - Tremendous Piano Bossa Nova Duo
私たちのあの思い出が思い出される
私のお気に入りの本のための心落ち着くジャズトラック
Paws-itively Swinging Jazz: Piano Meowsic for Cats
Positive Jazz Piano Mood: Morning Work Productivity
Harmonious Fusion: Where Jazz Meets the Soul
Jazz Mindstream: Coffee Lounge Focus Journeys
Retro Jazz Ensemble: Vintage Horn Sections
Bossa Guitar Trio - Background for Needed Lullabies
Jazz Age Revival: Vintage Music Reimagined