Andrzej Brzeski
type: MusicGroup
genre: disco polo
popularity: 7
followers: 142
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc98bcadf0bc1364b91280f39c8bccee9535aaf1332033b0d0ca7df5c6c69932e
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/494578a5-f920-4245-ba12-f27286b67086.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/494578a5-f920-4245-ba12-f27286b67086.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/494578a5-f920-4245-ba12-f27286b67086
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc98bcadf0bc1364b91280f39c8bccee9535aaf1332033b0d0ca7df5c6c69932e","name":"Andrzej Brzeski","registered_at":"2026-06-16T15:13:36Z","symbol":"NIM1091471","token_address":"0x8fb33707852e2d18636a849f2f26ca0fc24f3e28","type":"artist","uuid":"494578a5-f920-4245-ba12-f27286b67086"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc98bcadf0bc1364b91280f39c8bccee9535aaf1332033b0d0ca7df5c6c69932e. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/494578a5-f920-4245-ba12-f27286b67086.json and https://artists.proofprofile.net/proofs/artist/494578a5-f920-4245-ba12-f27286b67086.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0xc98bcadf0bc1364b91280f39c8bccee9535aaf1332033b0d0ca7df5c6c69932e","name":"Andrzej Brzeski","registered_at":"2026-06-16T15:13:36Z","symbol":"NIM1091471","token_address":"0x8fb33707852e2d18636a849f2f26ca0fc24f3e28","type":"artist","uuid":"494578a5-f920-4245-ba12-f27286b67086"}
album: Tamte panienki
  type: MusicAlbum
  date published: 2010
  track: Ech, mała!
    type: MusicRecording
    duration: PT2M51S
    duration ms: 171881
    explicit: false
    by artist: Andrzej Brzeski
    in album: Tamte panienki
      type: MusicAlbum
      date published: 2010
    genre: disco polo
    isrc code: PLD991012511
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-12T12:51:47+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc40ef870f144f13e116954a12065d0f8cf5248a4bb9d484b84586dfd44363c16
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957709
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957709
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLD991012511
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-12T13:52:43Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc40ef870f144f13e116954a12065d0f8cf5248a4bb9d484b84586dfd44363c16. Chain 2 (Bitcoin): anchored in block 957709 (2026-07-12T13:52:43Z), 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/PLD991012511.
      date published: 2026-07-12T13:52:43Z
    audio: Ech, mała!
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 117.315
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.623
      additional property: Energy
        type: PropertyValue
        value: 0.434
      additional property: Speechiness
        type: PropertyValue
        value: 0.066
      additional property: Acousticness
        type: PropertyValue
        value: 0.841
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.685
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.788
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.92
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Minor