William Smulders
type: MusicGroup
popularity: 3
followers: 170
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x115bf6686b18ba167966b1a936a38a1a3c176270085684aa02037beec4e68482
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954115
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954115
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/79cca546-a49c-4bb7-b87f-1cd170ebe4d9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/79cca546-a49c-4bb7-b87f-1cd170ebe4d9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/79cca546-a49c-4bb7-b87f-1cd170ebe4d9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T15:44:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x115bf6686b18ba167966b1a936a38a1a3c176270085684aa02037beec4e68482","name":"William Smulders","registered_at":"2026-06-17T08:03:09Z","symbol":"NIM1332319","token_address":"0x59603b37ecd86c9ce9dec1ee4fce178d800a6cf2","type":"artist","uuid":"79cca546-a49c-4bb7-b87f-1cd170ebe4d9"}
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 0x115bf6686b18ba167966b1a936a38a1a3c176270085684aa02037beec4e68482. Chain 2 (Bitcoin): anchored in block 954115 (2026-06-17T15:44:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/79cca546-a49c-4bb7-b87f-1cd170ebe4d9.json and https://artists.proofprofile.net/proofs/artist/79cca546-a49c-4bb7-b87f-1cd170ebe4d9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T15:44:10Z
  text: {"copyright_id":"0x115bf6686b18ba167966b1a936a38a1a3c176270085684aa02037beec4e68482","name":"William Smulders","registered_at":"2026-06-17T08:03:09Z","symbol":"NIM1332319","token_address":"0x59603b37ecd86c9ce9dec1ee4fce178d800a6cf2","type":"artist","uuid":"79cca546-a49c-4bb7-b87f-1cd170ebe4d9"}
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  type: MusicAlbum
  date published: 2010-04-22
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  type: MusicAlbum
  date published: 2010-05-12
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  type: MusicAlbum
  date published: 2011-05-06
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  date published: 2011-05-06
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  type: MusicAlbum
  date published: 2012-12-10
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  date published: 2015-01-26
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  type: MusicAlbum
  date published: 2017-05-10
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  type: MusicAlbum
  date published: 2017-11-25
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  type: MusicAlbum
  date published: 2018-07-02
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  type: MusicAlbum
  date published: 2018-11-13
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  type: MusicAlbum
  date published: 2018-12-12
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  type: MusicAlbum
  date published: 2020-07-17
album: On the Road again (Remix 2021)
  type: MusicAlbum
  date published: 2021-10-08
album: The Vow
  type: MusicAlbum
  date published: 2022-01-02
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  date published: 2022-04-01
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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