Thanos Lekkas
type: MusicGroup
popularity: 6
followers: 14
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeea711cb91400420b60b255d6317eae503d0b8eb56711b5d4f88378a1b091b28
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954742
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954742
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fe728d23-2be3-4b3e-a1d7-59caf6229b82.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fe728d23-2be3-4b3e-a1d7-59caf6229b82.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fe728d23-2be3-4b3e-a1d7-59caf6229b82
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T20:46:40Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xeea711cb91400420b60b255d6317eae503d0b8eb56711b5d4f88378a1b091b28","name":"Thanos Lekkas","registered_at":"2026-06-21T18:29:07Z","symbol":"NIM1998106","token_address":"0xff2fdf7239377b82c742fd3d6c2b51702f8b313b","type":"artist","uuid":"fe728d23-2be3-4b3e-a1d7-59caf6229b82"}
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 0xeea711cb91400420b60b255d6317eae503d0b8eb56711b5d4f88378a1b091b28. Chain 2 (Bitcoin): anchored in block 954742 (2026-06-21T20:46:40Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fe728d23-2be3-4b3e-a1d7-59caf6229b82.json and https://artists.proofprofile.net/proofs/artist/fe728d23-2be3-4b3e-a1d7-59caf6229b82.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T20:46:40Z
  text: {"copyright_id":"0xeea711cb91400420b60b255d6317eae503d0b8eb56711b5d4f88378a1b091b28","name":"Thanos Lekkas","registered_at":"2026-06-21T18:29:07Z","symbol":"NIM1998106","token_address":"0xff2fdf7239377b82c742fd3d6c2b51702f8b313b","type":"artist","uuid":"fe728d23-2be3-4b3e-a1d7-59caf6229b82"}
track: Όλοι εσείς Εδώ - Από το “Ενκάντο: Ένας Κόσμος Μαγικός”
  type: MusicRecording
  duration: PT4M38S
  duration ms: 278440
  explicit: false
  by artist: Marianna Kalogeraki-Voutsa
  by artist: Maria Kosmatou
  by artist: Konstantinos Repanis
  by artist: Nina Mazani
  by artist: Thanos Lekkas
  by artist: Ithopii tou - Encanto: Enas Kosmos Magikos
  in album: Encanto: Ένας Κόσμος Μαγικός (Τραγούδιa από την Ταινία)
    type: MusicAlbum
    date published: 2022-09-02
  isrc code: USWD12213647
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T14:08:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6731faaa19de22b670be0a4fa9e73bc267b974ce24997f5418cfa3b7c5d9baa5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956302
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USWD12213647
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  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 0x6731faaa19de22b670be0a4fa9e73bc267b974ce24997f5418cfa3b7c5d9baa5. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USWD12213647.
    date published: 2026-07-02T03:30:09Z
  audio: Όλοι εσείς Εδώ - Από το “Ενκάντο: Ένας Κόσμος Μαγικός”
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 127.129
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.541
    additional property: Energy
      type: PropertyValue
      value: 0.492
    additional property: Speechiness
      type: PropertyValue
      value: 0.064
    additional property: Acousticness
      type: PropertyValue
      value: 0.715
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.079
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.213
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.678
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major