Marc Daniëls
type: MusicGroup
genre: nederpop
description: Marc Daniëls (10 July 1959 – 10 May 2021),DeMarck, De Marck (Alias Marc Daniels).Stripspeciaalzaak.be, Marc “De Marck" Daniëls (62) overleden. also known as De Marck, was a Belgian comics writer, arti
popularity: 2
followers: 32
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x45adfc81d2a4aaaa177ba6f3ebd6d12b9de32c5d9bf5440831412103d8916998
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d4faa266-d862-45e8-8af1-6ebf039ef3c3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d4faa266-d862-45e8-8af1-6ebf039ef3c3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d4faa266-d862-45e8-8af1-6ebf039ef3c3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x45adfc81d2a4aaaa177ba6f3ebd6d12b9de32c5d9bf5440831412103d8916998","name":"Marc Daniëls","registered_at":"2026-06-21T02:43:43Z","symbol":"NIM1795146","token_address":"0xe81a0f3b01cbf2ea0a58b0391d6483db14a48024","type":"artist","uuid":"d4faa266-d862-45e8-8af1-6ebf039ef3c3"}
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 0x45adfc81d2a4aaaa177ba6f3ebd6d12b9de32c5d9bf5440831412103d8916998. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d4faa266-d862-45e8-8af1-6ebf039ef3c3.json and https://artists.proofprofile.net/proofs/artist/d4faa266-d862-45e8-8af1-6ebf039ef3c3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x45adfc81d2a4aaaa177ba6f3ebd6d12b9de32c5d9bf5440831412103d8916998","name":"Marc Daniëls","registered_at":"2026-06-21T02:43:43Z","symbol":"NIM1795146","token_address":"0xe81a0f3b01cbf2ea0a58b0391d6483db14a48024","type":"artist","uuid":"d4faa266-d862-45e8-8af1-6ebf039ef3c3"}
album: Marc Daniëls
  type: MusicAlbum
  date published: 1994-01-01
album: Als Jij Bij Me Bent
  type: MusicAlbum
  date published: 1996-01-01
album: Laat Me Niet Gaan
  type: MusicAlbum
  date published: 1998