BARTEK
type: MusicGroup
genre: garage rock
description: Bartek (Czech and Slovak feminine: Bartková or Barteková) is a Czech, Polish and Slovak surname, a diminutive of the given names Bartoloměj in Czech, Bartłomiej and Bartosz in Polish, and Bartolomej i
popularity: 2
followers: 935
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf6b30624f6c0f5063efe0257ab0e550fe58ce1efdfd19e31f37d24a6e1426f19
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954063
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954063
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4603b4c5-c8f1-4ca4-a2d6-1b1ce1aa24c9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4603b4c5-c8f1-4ca4-a2d6-1b1ce1aa24c9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4603b4c5-c8f1-4ca4-a2d6-1b1ce1aa24c9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T07:49:29Z
additional property: OTSCanonicalRecord
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 0xf6b30624f6c0f5063efe0257ab0e550fe58ce1efdfd19e31f37d24a6e1426f19. 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/4603b4c5-c8f1-4ca4-a2d6-1b1ce1aa24c9.json and https://artists.proofprofile.net/proofs/artist/4603b4c5-c8f1-4ca4-a2d6-1b1ce1aa24c9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
album: EP
  type: MusicAlbum
  date published: 2013-05-01
album: EP
  type: MusicAlbum
  date published: 2013-09-01
album: EP
  type: MusicAlbum
  date published: 2013-09-01
album: Beach
  type: MusicAlbum
  date published: 2016-04-24
album: Beach EP
  type: MusicAlbum
  date published: 2016-10-25
album: Beach
  type: MusicAlbum
  date published: 2016-10-25
album: Beach
  type: MusicAlbum
  date published: 2016-10-25
album: 22
  type: MusicAlbum
  date published: 2017-02-01
album: 22
  type: MusicAlbum
  date published: 2017-02-01
album: Bartek
  type: MusicAlbum
  date published: 2017-04-13
album: BARTEK
  type: MusicAlbum
  date published: 2017-04-13
album: Sunken Eyes
  type: MusicAlbum
  date published: 2017-09-05
album: Sunken Eyes
  type: MusicAlbum
  date published: 2017-09-05
album: Summertime + in the Sun
  type: MusicAlbum
  date published: 2018-09-21
album: Summertime + In the Sun
  type: MusicAlbum
  date published: 2018-09-21