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  value: 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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c55094042ef4a84d145c2bfeb29d48b6c2a2c2ce0a9c96ed087e5e7814dbb59. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/989ee024-1128-4f68-8ffd-d7a6ad905ce1.json and https://artists.proofprofile.net/proofs/artist/989ee024-1128-4f68-8ffd-d7a6ad905ce1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
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album: Sailing on a cloud
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  track: Vugge på en sky
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  track: Northhen light
  track: Gitar lek
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album: Vintage Synthesizer 70's and 80's Dreams
album: Forgotten Sounds Continuation
album: Dreamland
album: Forgotten Sound

Kaj Roger Willumsen
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Sailing on a cloud
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date published: 2011-08-06

Sami joik
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Northhen light
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Gitar lek
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Tones Comforter
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Vintage Synthesizer 70's and 80's Dreams
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track: Voyager 2
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track: Kepler Telescope
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track: Reisen
track: Mariner 2
track: Mars
track: Venus
track: Supernova
track: Tones Comforder
track: Jupiter
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track: Back to 80 Century
track: Minded Traveling

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Voyager 2
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Dolphins Song
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Kepler Telescope
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Deep Impact
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Reisen
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Mars
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Venus
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Supernova
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Tones Comforder
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Jupiter
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Home
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Back to 80 Century
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Minded Traveling
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Forgotten Sounds Continuation
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Dreamland
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track: Forgotten Sounds, Pt. 5
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track: Fire Up
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Forgotten Sound, Pt. 14
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Morse Telegraph Sign
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Vibration
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Troll Wall
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Fire Up
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Relaxation at Sea
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Solina
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The Spring
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Northern Lights
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Eagle World
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Coastal Gem
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The Free Place
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Forgotten Sound
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track: Forgotten Sounds, Pt. 5
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track: Forgotten Sounds, Pt. 6
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track: Forgotten Sounds, Pt. 8
track: Forgotten Sounds, Pt. 9
track: Forgotten Sounds, Pt. 10
track: Forgotten Sounds, Pt. 11
track: Forgotten Sounds, Pt. 1 - 3

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Forgotten Sounds, Pt. 9
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Forgotten Sounds, Pt. 10
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Forgotten Sounds, Pt. 11
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Forgotten Sounds, Pt. 1 - 3
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