1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd320c1a61fec83a761d52d0d30ada1da91b909e7b5bcabe8c87e50425bd673a4. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c85e2868-132d-479c-8404-5c63873523c3.json and https://artists.proofprofile.net/proofs/artist/c85e2868-132d-479c-8404-5c63873523c3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
White Noise Arctica - Loopable with No Fade
White Noise Water Bubbles - Loopable with No Fade
Muziektherapie voor honden 2 - Kalmerende geluiden voor de oren van de hond om uw huisdier te ontspannen terwijl u weg bent, angst en stress te verminderen
Muziektherapie voor honden - Achtergrondmuziek voor dieren die alleen thuis zijn, ontspanning, kalmte, geen angst, rustgevende melodieën om angst te verminderen