Jirina Anna Jandova
type: MusicGroup
popularity: 6
followers: 110
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc80418e793fd527a5179b36f31f562fd6e2ba5b31414cc172f4c93233e32d86a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4f3d236d-7ae7-4216-b56a-0e75f047db26.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4f3d236d-7ae7-4216-b56a-0e75f047db26.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4f3d236d-7ae7-4216-b56a-0e75f047db26
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc80418e793fd527a5179b36f31f562fd6e2ba5b31414cc172f4c93233e32d86a","name":"Jirina Anna Jandova","registered_at":"2026-06-16T17:08:25Z","symbol":"NIM1118857","token_address":"0xf9dc0e9aa1abd730f232c7c0ac659d9d12021f24","type":"artist","uuid":"4f3d236d-7ae7-4216-b56a-0e75f047db26"}
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 0xc80418e793fd527a5179b36f31f562fd6e2ba5b31414cc172f4c93233e32d86a. 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/4f3d236d-7ae7-4216-b56a-0e75f047db26.json and https://artists.proofprofile.net/proofs/artist/4f3d236d-7ae7-4216-b56a-0e75f047db26.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xc80418e793fd527a5179b36f31f562fd6e2ba5b31414cc172f4c93233e32d86a","name":"Jirina Anna Jandova","registered_at":"2026-06-16T17:08:25Z","symbol":"NIM1118857","token_address":"0xf9dc0e9aa1abd730f232c7c0ac659d9d12021f24","type":"artist","uuid":"4f3d236d-7ae7-4216-b56a-0e75f047db26"}
album: V muzeu lásky
  type: MusicAlbum
  date published: 2015-10-27
album: V Muzeu Lásky
  type: MusicAlbum
  date published: 2015-10-27
  track: Pátý Perný Den
    type: MusicRecording
    duration: PT3M29S
    duration ms: 209653
    explicit: false
    by artist: Jirina Anna Jandova
    in album: V Muzeu Lásky
      type: MusicAlbum
      date published: 2015-10-27
    isrc code: CZF761500019
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T10:01:25+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x4c449582235d96714e65a85dd340d1045316423cae62589466d859088747209a
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958140
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958140
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZF761500019
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T10:05:23Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c449582235d96714e65a85dd340d1045316423cae62589466d859088747209a. Chain 2 (Bitcoin): anchored in block 958140 (2026-07-15T10:05:23Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZF761500019.
      date published: 2026-07-15T10:05:23Z
    audio: Pátý Perný Den
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 144.094
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.48
      additional property: Energy
        type: PropertyValue
        value: 0.889
      additional property: Speechiness
        type: PropertyValue
        value: 0.041
      additional property: Acousticness
        type: PropertyValue
        value: 0.012
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.254
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.767
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.021
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Tak Všechno Nebo Nic
  type: MusicAlbum
  date published: 2018-11-06
album: Vitráže / Čekáš na svůj den
  type: MusicAlbum
  date published: 2022-05-12
album: Měla jsem ti říct
  type: MusicAlbum
  date published: 2024-05-27