The Masked Guitarist
type: MusicGroup
genre: lullaby
popularity: 19
followers: 98
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6422dd1f7f375c10931de843e9deeff435b95353ddfc8aae3b12abb3354ea58e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953842
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953842
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f79425ed-e0c2-4003-8f3d-47576b7ffab3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f79425ed-e0c2-4003-8f3d-47576b7ffab3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f79425ed-e0c2-4003-8f3d-47576b7ffab3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T22:22:30Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6422dd1f7f375c10931de843e9deeff435b95353ddfc8aae3b12abb3354ea58e","name":"The Masked Guitarist","registered_at":"2026-06-15T06:30:35Z","symbol":"NIM0711262","token_address":"0xf6f3e17d8df24088958d53e729cda877b1059ade","type":"artist","uuid":"f79425ed-e0c2-4003-8f3d-47576b7ffab3"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6422dd1f7f375c10931de843e9deeff435b95353ddfc8aae3b12abb3354ea58e. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f79425ed-e0c2-4003-8f3d-47576b7ffab3.json and https://artists.proofprofile.net/proofs/artist/f79425ed-e0c2-4003-8f3d-47576b7ffab3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T22:22:30Z
  text: {"copyright_id":"0x6422dd1f7f375c10931de843e9deeff435b95353ddfc8aae3b12abb3354ea58e","name":"The Masked Guitarist","registered_at":"2026-06-15T06:30:35Z","symbol":"NIM0711262","token_address":"0xf6f3e17d8df24088958d53e729cda877b1059ade","type":"artist","uuid":"f79425ed-e0c2-4003-8f3d-47576b7ffab3"}
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  date published: 2019-02-02
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  date published: 2020-02-03
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  type: MusicAlbum
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