Niels La Cour
type: MusicGroup
description: Niels la Cour (born 14 November 1944) is a Danish composer. Life La Cour did his A levels in 1963 from the music branch of the Aurehøj Grammar School with organ as his speciality. Between 1964 and 19
popularity: 3
followers: 65
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xafcef7cb66ca0f32883be608787a22503ebc2784a04ad05c31c55b26c49aa851
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/c6c06016-c301-48e0-b524-a4dee4dcb998.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c6c06016-c301-48e0-b524-a4dee4dcb998.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c6c06016-c301-48e0-b524-a4dee4dcb998
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xafcef7cb66ca0f32883be608787a22503ebc2784a04ad05c31c55b26c49aa851","name":"Niels La Cour","registered_at":"2026-06-20T21:41:01Z","symbol":"NIM1719346","token_address":"0x29b3f3f67d94be65685e0289cc5a73753da4c6f2","type":"artist","uuid":"c6c06016-c301-48e0-b524-a4dee4dcb998"}
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 0xafcef7cb66ca0f32883be608787a22503ebc2784a04ad05c31c55b26c49aa851. 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/c6c06016-c301-48e0-b524-a4dee4dcb998.json and https://artists.proofprofile.net/proofs/artist/c6c06016-c301-48e0-b524-a4dee4dcb998.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0xafcef7cb66ca0f32883be608787a22503ebc2784a04ad05c31c55b26c49aa851","name":"Niels La Cour","registered_at":"2026-06-20T21:41:01Z","symbol":"NIM1719346","token_address":"0x29b3f3f67d94be65685e0289cc5a73753da4c6f2","type":"artist","uuid":"c6c06016-c301-48e0-b524-a4dee4dcb998"}
album: Niels la Cour: Works for Choir & Organ
  type: MusicAlbum
  date published: 2015-02-03
album: Niels la Cour: Works for Choir & Organ
  type: MusicAlbum
  date published: 2015-02-03