profesorSpawacz
type: MusicGroup
popularity: 9
followers: 461
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0df6aef78e809e495c4465a340868ad3e26a449d0b1bd21acefe9a4d4ea5b1ce
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/79a5469f-9889-4ee2-8d0c-9ba056eae2f4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/79a5469f-9889-4ee2-8d0c-9ba056eae2f4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/79a5469f-9889-4ee2-8d0c-9ba056eae2f4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
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 0x0df6aef78e809e495c4465a340868ad3e26a449d0b1bd21acefe9a4d4ea5b1ce. Chain 2 (Bitcoin): anchored in block 954115 (2026-06-17T15:44:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/79a5469f-9889-4ee2-8d0c-9ba056eae2f4.json and https://artists.proofprofile.net/proofs/artist/79a5469f-9889-4ee2-8d0c-9ba056eae2f4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T15:44:10Z
album: Melancholia w kawiarni
  type: MusicAlbum
  date published: 2024-05-14
album: Pedro
  type: MusicAlbum
  date published: 2024-05-14
album: Wojenka
  type: MusicAlbum
  date published: 2024-05-15
album: Świat bez ciebie
  type: MusicAlbum
  date published: 2024-05-16
album: Cisza
  type: MusicAlbum
  date published: 2024-05-17
  track: Cisza
    type: MusicRecording
    duration: PT3M56S
    duration ms: 236102
    explicit: false
    by artist: profesorSpawacz
    in album: Cisza
      type: MusicAlbum
      date published: 2024-05-17
    isrc code: PLC062422029
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-06T06:34:13+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xace75223976e6457607dddea9cefa87f8cbd349ee7dd7da669f8c6df70d109a5
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956889
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956889
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC062422029
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T06:56:49Z
    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 0xace75223976e6457607dddea9cefa87f8cbd349ee7dd7da669f8c6df70d109a5. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/PLC062422029.
      date published: 2026-07-06T06:56:49Z
    audio: Cisza
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 134.001
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.591
      additional property: Energy
        type: PropertyValue
        value: 0.269
      additional property: Speechiness
        type: PropertyValue
        value: 0.034
      additional property: Acousticness
        type: PropertyValue
        value: 0.001
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.223
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.175
      additional property: Loudness (dB)
        type: PropertyValue
        value: -14.261
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Przepraszam
  type: MusicAlbum
  date published: 2024-05-19
album: Wrak
  type: MusicAlbum
  date published: 2024-05-30
album: Jak dorosnę będę dzieckiem
  type: MusicAlbum
  date published: 2024-05-31
album: Komar
  type: MusicAlbum
  date published: 2024-06-08
album: Historia
  type: MusicAlbum
  date published: 2024-06-17
album: Słowiańskie Bez-Historie
  type: MusicAlbum
  date published: 2025-07-26
album: Słowiańskie Bez-Historie 2
  type: MusicAlbum
  date published: 2025-08-07
album: Słowiańskie Bez-Historie 3
  type: MusicAlbum
  date published: 2025-08-24
album: Depresja
  type: MusicAlbum
  date published: 2025-09-05
album: Pieśń Kostromy
  type: MusicAlbum
  date published: 2025-09-08
album: Czerwony Mak
  type: MusicAlbum
  date published: 2025-10-02
album: Wieczność obok nas
  type: MusicAlbum
  date published: 2025-10-08
album: Zamknij drzwi i idź(Dark Version)
  type: MusicAlbum
  date published: 2025-10-15
album: Tej dziewczynie
  type: MusicAlbum
  date published: 2025-11-03
album: A-Wieszcz I-Narodowy
  type: MusicAlbum
  date published: 2025-11-11