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 0xb1b405fd399a21be4b83cdbc4d7ce7b2d6e2c9018d1364268d6a436bd5c2c644. Chain 2 (Bitcoin): anchored in block 953713 (2026-06-15T00:33:41Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7fedb42c-8a24-43db-8600-b84fa0b8e37e.json and https://artists.proofprofile.net/proofs/artist/7fedb42c-8a24-43db-8600-b84fa0b8e37e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Appliances and other Household Ambiences (Loopable Audio for Ambiance, Meditation, Insomnia, and Restless Children)
Wide Area Vacuum Cleaner - Non Stationary
Whirly Weak Motor Power Head Vacuum Cleaner - Non Stationary
Messy Floor Vacuum Cleaner - Non Stationary
Clothes Dryer with Items that are Flopping Around
Hand Held Vacuum Cleaner - Non Stationary
Sink running Waters - Loopable with no fade
Old Rattly Vacuum Cleaner - Non Stationary
Messy Floors and a Weaker Motor Vacuum Cleaner - Non Stationary with a deeper drone
Clothes Dryer with no Buttons Next to a Washing Machine on Spin Cycle
Stronger Motor Vacuum Cleaner with high pitched motor tones - Non Stationary
Clothes Dryer Containing Clothes with Metal Buttons
Deeper Sounding Vacuum Cleaner 2 - Stationary
Vacuum Cleaner with Fan sounding Motor - Stationary
Non Conventional Sounding Power Vacuum - Stationary
Hair Dryer on Low - Stationary with Slight Swell
Appliances and other Household Ambiances (Loopable Audio for Ambiance, Meditation, Insomnia, and Restless Children)
Best Clean White Noise and other Background Soundscapes (Loopable Audio for Insomnia, Meditation, and Restless Children)
White Noise Spa Collection - 50 Shades of Ambience (Loopable and without fade)
Pink Noise Meditations (Loopable Audio for Insomnia, Meditation, and Restless Children)
White Noise Spa Collection - 50 Shades of Ambience (Loopable Audio for Insomnia, Meditation and Restless Children)
Clean White Noise and other Background Ambiances (Loopable Audios for Ambiance, Meditation, Insomnia, and Restless Children)
White Noise Spa Collection - 50 Shades of Zen (Loopable Audio for Insomnia, Meditation and Restless Children)
White Noise Collection - 50 Shades of Ambience (Loopable and without fade)