Katalin Kiss
type: MusicGroup
genre: choral
description: Katalin Kiss (born 3 January 1982) is a retired Hungarian rhythmic gymnast. Biography Trained by her sister Adrienn, Katalin made her international debut at the 1997 World Championships in Berlin,
popularity: 4
followers: 25
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc283ba9ce2f4616f7f451d33cfc1b00a900bd4e226bba5387469b3193ae796be
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954742
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954742
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ff0a6857-bfe6-424d-9f0e-24727f367ebe.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ff0a6857-bfe6-424d-9f0e-24727f367ebe.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ff0a6857-bfe6-424d-9f0e-24727f367ebe
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T20:46:40Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc283ba9ce2f4616f7f451d33cfc1b00a900bd4e226bba5387469b3193ae796be","name":"Katalin Kiss","registered_at":"2026-06-21T18:29:25Z","symbol":"NIM2001426","token_address":"0x831b59cd18c79124f978e381b01204399c18f72f","type":"artist","uuid":"ff0a6857-bfe6-424d-9f0e-24727f367ebe"}
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 0xc283ba9ce2f4616f7f451d33cfc1b00a900bd4e226bba5387469b3193ae796be. Chain 2 (Bitcoin): anchored in block 954742 (2026-06-21T20:46:40Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ff0a6857-bfe6-424d-9f0e-24727f367ebe.json and https://artists.proofprofile.net/proofs/artist/ff0a6857-bfe6-424d-9f0e-24727f367ebe.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T20:46:40Z
  text: {"copyright_id":"0xc283ba9ce2f4616f7f451d33cfc1b00a900bd4e226bba5387469b3193ae796be","name":"Katalin Kiss","registered_at":"2026-06-21T18:29:25Z","symbol":"NIM2001426","token_address":"0x831b59cd18c79124f978e381b01204399c18f72f","type":"artist","uuid":"ff0a6857-bfe6-424d-9f0e-24727f367ebe"}
album: Orban / Selmeczi: Contemporary Hungarian Masses
  type: MusicAlbum
  date published: 2014-07-15