Anna Przybylska
type: MusicGroup
description: Anna Przybylska (26 December 1978 – 5 October 2014) was a Polish actress and model. She was chosen, in 2004, to be the Polish ambassador for the ASTOR cosmetics brand. Two years later, she became the
popularity: 10
followers: 17
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xebf6edd5f3db08e2ca2efc4b2522684550392d71d785d72639373d074e5a68f4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954603
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954603
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c3dd1d15-5844-4f01-8557-23fb47baa392.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c3dd1d15-5844-4f01-8557-23fb47baa392.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c3dd1d15-5844-4f01-8557-23fb47baa392
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T21:47:54Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xebf6edd5f3db08e2ca2efc4b2522684550392d71d785d72639373d074e5a68f4","name":"Anna Przybylska","registered_at":"2026-06-20T20:21:18Z","symbol":"NIM1705279","token_address":"0x36b1db31a59cc52bded0b0ee2fa688982f253210","type":"artist","uuid":"c3dd1d15-5844-4f01-8557-23fb47baa392"}
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 0xebf6edd5f3db08e2ca2efc4b2522684550392d71d785d72639373d074e5a68f4. Chain 2 (Bitcoin): anchored in block 954603 (2026-06-20T21:47:54Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c3dd1d15-5844-4f01-8557-23fb47baa392.json and https://artists.proofprofile.net/proofs/artist/c3dd1d15-5844-4f01-8557-23fb47baa392.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T21:47:54Z
  text: {"copyright_id":"0xebf6edd5f3db08e2ca2efc4b2522684550392d71d785d72639373d074e5a68f4","name":"Anna Przybylska","registered_at":"2026-06-20T20:21:18Z","symbol":"NIM1705279","token_address":"0x36b1db31a59cc52bded0b0ee2fa688982f253210","type":"artist","uuid":"c3dd1d15-5844-4f01-8557-23fb47baa392"}
album: Operacja Fobos
  type: MusicAlbum
  date published: 2023-08-11