Michalis Stavrinoudakis
type: MusicGroup
genre: entehno
genre: laïko
popularity: 9
followers: 74
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf9e63ed2d43bfcc072ff64b3d9a2d25d05677404ca2a4bfa68360e075370d38c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954615
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954615
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c5f61f27-27d9-4ae9-94f9-8faa02738613.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c5f61f27-27d9-4ae9-94f9-8faa02738613.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c5f61f27-27d9-4ae9-94f9-8faa02738613
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T22:44:50Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf9e63ed2d43bfcc072ff64b3d9a2d25d05677404ca2a4bfa68360e075370d38c","name":"Michalis Stavrinoudakis","registered_at":"2026-06-20T21:28:54Z","symbol":"NIM1719143","token_address":"0x42e996578c678a1e1deb358e2e92b5b528fedd8c","type":"artist","uuid":"c5f61f27-27d9-4ae9-94f9-8faa02738613"}
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 0xf9e63ed2d43bfcc072ff64b3d9a2d25d05677404ca2a4bfa68360e075370d38c. Chain 2 (Bitcoin): anchored in block 954615 (2026-06-20T22:44:50Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c5f61f27-27d9-4ae9-94f9-8faa02738613.json and https://artists.proofprofile.net/proofs/artist/c5f61f27-27d9-4ae9-94f9-8faa02738613.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T22:44:50Z
  text: {"copyright_id":"0xf9e63ed2d43bfcc072ff64b3d9a2d25d05677404ca2a4bfa68360e075370d38c","name":"Michalis Stavrinoudakis","registered_at":"2026-06-20T21:28:54Z","symbol":"NIM1719143","token_address":"0x42e996578c678a1e1deb358e2e92b5b528fedd8c","type":"artist","uuid":"c5f61f27-27d9-4ae9-94f9-8faa02738613"}
album: S' Anatoli Harazei
  type: MusicAlbum
  date published: 2023-12-20
  track: Helidonopsaro
    type: MusicRecording
    duration: PT5M15S
    duration ms: 315604
    explicit: false
    by artist: Michalis Stavrinoudakis
    in album: S' Anatoli Harazei
      type: MusicAlbum
      date published: 2023-12-20
    genre: entehno
    genre: laïko
    isrc code: GRFM12300430
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T12:45:12+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x37c7183763055eb980c100e18a2cd9a0f215995dd88257d37b64c10d846ed558
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958734
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958734
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GRFM12300430
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T15:48:26Z
    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 0x37c7183763055eb980c100e18a2cd9a0f215995dd88257d37b64c10d846ed558. Chain 2 (Bitcoin): anchored in block 958734 (2026-07-19T15:48:26Z), 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/GRFM12300430.
      date published: 2026-07-19T15:48:26Z
    audio: Helidonopsaro
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 114.034
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.545
      additional property: Energy
        type: PropertyValue
        value: 0.316
      additional property: Speechiness
        type: PropertyValue
        value: 0.028
      additional property: Acousticness
        type: PropertyValue
        value: 0.529
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.101
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.328
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.848
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Minor