Jiří Koběrský
type: MusicGroup
genre: polka
popularity: 15
followers: 1310
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x61f1f18ae128d16c30887e61fefd0bd5fb05d4bc64d4d983fab937cbba37b81a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953742
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953742
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8e278002-77fd-4a39-9256-e1c2cf68be42.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8e278002-77fd-4a39-9256-e1c2cf68be42.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8e278002-77fd-4a39-9256-e1c2cf68be42
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T04:47:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x61f1f18ae128d16c30887e61fefd0bd5fb05d4bc64d4d983fab937cbba37b81a","name":"Jiří Koběrský","registered_at":"2026-06-14T19:28:31Z","symbol":"NIM0553219","token_address":"0xbda0d8de0d02a4eedc298cc2568bc0a39d8e659e","type":"artist","uuid":"8e278002-77fd-4a39-9256-e1c2cf68be42"}
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 0x61f1f18ae128d16c30887e61fefd0bd5fb05d4bc64d4d983fab937cbba37b81a. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8e278002-77fd-4a39-9256-e1c2cf68be42.json and https://artists.proofprofile.net/proofs/artist/8e278002-77fd-4a39-9256-e1c2cf68be42.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:47:56Z
  text: {"copyright_id":"0x61f1f18ae128d16c30887e61fefd0bd5fb05d4bc64d4d983fab937cbba37b81a","name":"Jiří Koběrský","registered_at":"2026-06-14T19:28:31Z","symbol":"NIM0553219","token_address":"0xbda0d8de0d02a4eedc298cc2568bc0a39d8e659e","type":"artist","uuid":"8e278002-77fd-4a39-9256-e1c2cf68be42"}
album: Jaký By To Bylo
  type: MusicAlbum
  date published: 2003-03-21
album: Original
  type: MusicAlbum
  date published: 2008-05-28
  track: Každý Den Je Poslední
    type: MusicRecording
    duration: PT3M34S
    duration ms: 214906
    explicit: false
    by artist: Jiří Koběrský
    in album: Original
      type: MusicAlbum
      date published: 2008-05-28
    genre: polka
    isrc code: USDY42261551
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T15:30:33+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb499ffa0750816ae39a218d1b28d22ca99417ee114efa05817d32c8925730036
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958749
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958749
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42261551
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T18:32:14Z
    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 0xb499ffa0750816ae39a218d1b28d22ca99417ee114efa05817d32c8925730036. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T18:32:14Z), 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/USDY42261551.
      date published: 2026-07-19T18:32:14Z
    audio: Každý Den Je Poslední
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 156.035
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.625
      additional property: Energy
        type: PropertyValue
        value: 0.378
      additional property: Speechiness
        type: PropertyValue
        value: 0.039
      additional property: Acousticness
        type: PropertyValue
        value: 0.256
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.102
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.387
      additional property: Loudness (dB)
        type: PropertyValue
        value: -13.756
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Betlémská superstar
  type: MusicAlbum
  date published: 2019-12-01
album: Sundej si roušku a pusu mi dej
  type: MusicAlbum
  date published: 2020-05-25
album: Pravda a láska vítězí nad lží a nenávistí
  type: MusicAlbum
  date published: 2020-10-28
  track: Pravda a láska vítězí nad lží a nenávistí
    type: MusicRecording
    duration: PT4M12S
    duration ms: 252602
    explicit: false
    by artist: Jiří Koběrský
    in album: Pravda a láska vítězí nad lží a nenávistí
      type: MusicAlbum
      date published: 2020-10-28
    genre: polka
    isrc code: CZA163384813
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T14:37:59+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3ba617f125729dfca11994b2034934aefca6edad67f0c84e8afcfb207007beba
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956826
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956826
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA163384813
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T19:27:56Z
    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 0x3ba617f125729dfca11994b2034934aefca6edad67f0c84e8afcfb207007beba. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/CZA163384813.
      date published: 2026-07-05T19:27:56Z
    audio: Pravda a láska vítězí nad lží a nenávistí
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 152.057
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.66
      additional property: Energy
        type: PropertyValue
        value: 0.487
      additional property: Speechiness
        type: PropertyValue
        value: 0.046
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Take off Your Mask and Give Me a Kiss
album: Jedno
album: Superhity
album: Vím, Že Bude Líp
album: Valentýn

Acousticness
type: PropertyValue
value: 0.477

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.353

Valence (Positivity)
type: PropertyValue
value: 0.172

Loudness (dB)
type: PropertyValue
value: -11.672

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Minor

Take off Your Mask and Give Me a Kiss
type: MusicAlbum
date published: 2020-11-12

Jedno
type: MusicAlbum
date published: 2021-11-11
track: Jedno
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183881
  explicit: false
  by artist: Jiří Koběrský
  in album: Jedno
    type: MusicAlbum
    date published: 2021-11-11
  genre: polka
  isrc code: USL4R2102619
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T18:53:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf48b40a01b30cd185985fef2e985df60317c750de1495f196342cfb01b9b816d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4R2102619
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:12:41Z
  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 0xf48b40a01b30cd185985fef2e985df60317c750de1495f196342cfb01b9b816d. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/USL4R2102619.
    date published: 2026-07-05T01:12:41Z
  audio: Jedno
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 150.238
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.438
    additional property: Energy
      type: PropertyValue
      value: 0.533
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.564
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.326
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.447
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.196
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

Superhity
type: MusicAlbum
date published: 2022-10-31

Vím, Že Bude Líp
type: MusicAlbum
date published: 2023-12-01

Valentýn
type: MusicAlbum
date published: 2024-02-05