Harrys Katsimichas
type: MusicGroup
genre: entehno
genre: laïko
popularity: 9
followers: 1621
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3f66af0dc46cf74657200029be68abf3a5fb3df92c9a0c3c77c0f5c60e5c1eb5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954130
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954130
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7c2b4de9-c9d2-400a-8552-4b02d909b787.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7c2b4de9-c9d2-400a-8552-4b02d909b787.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7c2b4de9-c9d2-400a-8552-4b02d909b787
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T19:07:14Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3f66af0dc46cf74657200029be68abf3a5fb3df92c9a0c3c77c0f5c60e5c1eb5","name":"Harrys Katsimichas","registered_at":"2026-06-17T08:52:58Z","symbol":"NIM1344186","token_address":"0xc6f1c1772c92945ab9aff6c78a050bebca313773","type":"artist","uuid":"7c2b4de9-c9d2-400a-8552-4b02d909b787"}
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 0x3f66af0dc46cf74657200029be68abf3a5fb3df92c9a0c3c77c0f5c60e5c1eb5. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7c2b4de9-c9d2-400a-8552-4b02d909b787.json and https://artists.proofprofile.net/proofs/artist/7c2b4de9-c9d2-400a-8552-4b02d909b787.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T19:07:14Z
  text: {"copyright_id":"0x3f66af0dc46cf74657200029be68abf3a5fb3df92c9a0c3c77c0f5c60e5c1eb5","name":"Harrys Katsimichas","registered_at":"2026-06-17T08:52:58Z","symbol":"NIM1344186","token_address":"0xc6f1c1772c92945ab9aff6c78a050bebca313773","type":"artist","uuid":"7c2b4de9-c9d2-400a-8552-4b02d909b787"}
album: I Monaxia Tou Shinovati
  type: MusicAlbum
  date published: 1992-09-04
album: Tis Agapis Maheria
  type: MusicAlbum
  date published: 1994-12-18
  track: Erota
    type: MusicRecording
    duration: PT3M47S
    duration ms: 227866
    explicit: false
    by artist: Harrys Katsimichas
    in album: Tis Agapis Maheria
      type: MusicAlbum
      date published: 1994-12-18
    genre: entehno
    genre: laïko
    isrc code: GRS019400230
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T16:57:00+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8b303085dec7836c0263a00d44b6757278f9c10ff3f7201911d49fcf6ee68e6f
    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/GRS019400230
    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 0x8b303085dec7836c0263a00d44b6757278f9c10ff3f7201911d49fcf6ee68e6f. 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/GRS019400230.
      date published: 2026-07-05T19:27:56Z
    audio: Erota
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 134.358
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.376
      additional property: Energy
        type: PropertyValue
        value: 0.464
      additional property: Speechiness
        type: PropertyValue
        value: 0.04
      additional property: Acousticness
        type: PropertyValue
        value: 0.501
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.097
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.088
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.023
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: I Agelasti Politia Ke I Kalikantzari
  type: MusicAlbum
  date published: 1995-12-12