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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c8b42f8b649763cc764bdf9965bf53f0c27275fb9ab557cf1f585e3daea5381. Chain 2 (Bitcoin): anchored in block 953980 (2026-06-16T17:16:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2c20632d-8830-4b5d-88c2-c777eb578eb5.json and https://artists.proofprofile.net/proofs/artist/2c20632d-8830-4b5d-88c2-c777eb578eb5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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Jazzy Campari Lounge: Smooth Groovy Summer Jazz, Bossa Nova Lounge Beats, Endless Bar Music, Amazing Chill Out
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Coloring Therapy: Caring for Self, Jazz Time in a Cafe
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Summer Smooth Jazz: After Hours Music, Best Smooth & Romantic Jazz Music
Mellow Sunday Grooves: Instrumental Jazz for a Chill Day
Summertime Jazz Vibes: Daily Rhythms for Relaxation and Paradise
Beach Chill Music 2025: Celebrate the Summer