Urs Meier
type: MusicGroup
description: Urs Meier (born 22 January 1959) is a retired Swiss football referee. He officiated at the 1998 and 2002 World Cups, taking charge of the semi-final between South Korea and Germany in 2002. He also re
popularity: 3
followers: 144
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x683d94cdb174d01e4291a99238bf2f2ef74e2feb73d0d554057bbfa320a60087
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5ac36b08-d01d-4322-81ae-a7df0aac55d1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5ac36b08-d01d-4322-81ae-a7df0aac55d1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5ac36b08-d01d-4322-81ae-a7df0aac55d1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x683d94cdb174d01e4291a99238bf2f2ef74e2feb73d0d554057bbfa320a60087","name":"Urs Meier","registered_at":"2026-06-16T21:19:39Z","symbol":"NIM1178819","token_address":"0x4c14d5bfcca6b3660ac469e606e3f57de9e80c1e","type":"artist","uuid":"5ac36b08-d01d-4322-81ae-a7df0aac55d1"}
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 0x683d94cdb174d01e4291a99238bf2f2ef74e2feb73d0d554057bbfa320a60087. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5ac36b08-d01d-4322-81ae-a7df0aac55d1.json and https://artists.proofprofile.net/proofs/artist/5ac36b08-d01d-4322-81ae-a7df0aac55d1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x683d94cdb174d01e4291a99238bf2f2ef74e2feb73d0d554057bbfa320a60087","name":"Urs Meier","registered_at":"2026-06-16T21:19:39Z","symbol":"NIM1178819","token_address":"0x4c14d5bfcca6b3660ac469e606e3f57de9e80c1e","type":"artist","uuid":"5ac36b08-d01d-4322-81ae-a7df0aac55d1"}
album: Spielt Ländlermusik zu Ehre & vo Härze
  type: MusicAlbum
  date published: 2021-04-08