Loes Haverkort
type: MusicGroup
description: Loes Haverkort (born 19 January 1981) is a Dutch actress. She has performed in movies, television shows and theatre productions. Career Haverkort did her acting course at the Maastricht Academy of
popularity: 30
followers: 1199
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2782d6551935518b61543170e747b5cc79a69aee63a0f125dbe8068e4eca097d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/da75a3b2-de6e-4f3a-8ffe-d13d62ce7b56.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/da75a3b2-de6e-4f3a-8ffe-d13d62ce7b56.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/da75a3b2-de6e-4f3a-8ffe-d13d62ce7b56
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2782d6551935518b61543170e747b5cc79a69aee63a0f125dbe8068e4eca097d","name":"Loes Haverkort","registered_at":"2026-06-12T11:20:37Z","symbol":"NIM0282191","token_address":"0xf73585acab9ab74e550a131f09b5406fb6a4e44f","type":"artist","uuid":"da75a3b2-de6e-4f3a-8ffe-d13d62ce7b56"}
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 0x2782d6551935518b61543170e747b5cc79a69aee63a0f125dbe8068e4eca097d. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/da75a3b2-de6e-4f3a-8ffe-d13d62ce7b56.json and https://artists.proofprofile.net/proofs/artist/da75a3b2-de6e-4f3a-8ffe-d13d62ce7b56.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0x2782d6551935518b61543170e747b5cc79a69aee63a0f125dbe8068e4eca097d","name":"Loes Haverkort","registered_at":"2026-06-12T11:20:37Z","symbol":"NIM0282191","token_address":"0xf73585acab9ab74e550a131f09b5406fb6a4e44f","type":"artist","uuid":"da75a3b2-de6e-4f3a-8ffe-d13d62ce7b56"}
album: Lost
  type: MusicAlbum
  date published: 2019-06-14
album: Goodbye
  type: MusicAlbum
  date published: 2021-04-30
album: Holding On
  type: MusicAlbum
  date published: 2021-07-23
album: Calling You
  type: MusicAlbum
  date published: 2021-11-05
album: Falling
  type: MusicAlbum
  date published: 2022-01-14