Léo
type: MusicGroup
description: Léo is a proper noun in French, meaning "lion". Its etymological root lies in the Latin word Leo. Léo is used as a diminutive or variant of the names Léon, Léonard, Léonardon, Leonardo, Léonid, Léono
popularity: 3
followers: 3
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x71cb69317fde58cd6ca39fffca807c71604350f072edc43b61b93efdf67c70b1
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/7a0a2aa4-63b2-477e-bb5d-69226e34879b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7a0a2aa4-63b2-477e-bb5d-69226e34879b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7a0a2aa4-63b2-477e-bb5d-69226e34879b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x71cb69317fde58cd6ca39fffca807c71604350f072edc43b61b93efdf67c70b1","name":"Léo","registered_at":"2026-06-17T08:08:35Z","symbol":"NIM1333612","token_address":"0xa30c76fb2eb78b21a3df9ec9b6ca2172d22597a4","type":"artist","uuid":"7a0a2aa4-63b2-477e-bb5d-69226e34879b"}
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 0x71cb69317fde58cd6ca39fffca807c71604350f072edc43b61b93efdf67c70b1. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7a0a2aa4-63b2-477e-bb5d-69226e34879b.json and https://artists.proofprofile.net/proofs/artist/7a0a2aa4-63b2-477e-bb5d-69226e34879b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x71cb69317fde58cd6ca39fffca807c71604350f072edc43b61b93efdf67c70b1","name":"Léo","registered_at":"2026-06-17T08:08:35Z","symbol":"NIM1333612","token_address":"0xa30c76fb2eb78b21a3df9ec9b6ca2172d22597a4","type":"artist","uuid":"7a0a2aa4-63b2-477e-bb5d-69226e34879b"}
album: Back To Black (Instrumental Version)
  type: MusicAlbum
  date published: 2024-11-27
  track: Back To Black - Instrumental Version
    type: MusicRecording
    duration: PT1M1S
    duration ms: 61114
    explicit: false
    by artist: Léo
    in album: Back To Black (Instrumental Version)
      type: MusicAlbum
      date published: 2024-11-27
    isrc code: SE6SA2477337
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T16:35:57+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa1503d1257cd911aa6dbf985be3bf0d8b32f6114fa22c9e903743de2d99eb41d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958444
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958444
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE6SA2477337
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T19:12:23Z
    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 0xa1503d1257cd911aa6dbf985be3bf0d8b32f6114fa22c9e903743de2d99eb41d. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/SE6SA2477337.
      date published: 2026-07-17T19:12:23Z
    audio: Back To Black - Instrumental Version
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 123.07
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.606
      additional property: Energy
        type: PropertyValue
        value: 0.051
      additional property: Speechiness
        type: PropertyValue
        value: 0.119
      additional property: Acousticness
        type: PropertyValue
        value: 0.942
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.846
      additional property: Liveness
        type: PropertyValue
        value: 0.109
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.241
      additional property: Loudness (dB)
        type: PropertyValue
        value: -29.182
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Minor