Leonard V
type: MusicGroup
popularity: 6
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf6aebb7c37d8bea1de7b49573043b8bb1a40d3186619234ccebac5c22fcbf41a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953915
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953915
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/19751283-3cf6-4c25-9601-e011ab15c0a2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/19751283-3cf6-4c25-9601-e011ab15c0a2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/19751283-3cf6-4c25-9601-e011ab15c0a2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T08:36:32Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf6aebb7c37d8bea1de7b49573043b8bb1a40d3186619234ccebac5c22fcbf41a","name":"Leonard V","registered_at":"2026-06-15T22:18:08Z","symbol":"NIM0849042","token_address":"0xef26fc6a227474070942d622f971df143a03a87d","type":"artist","uuid":"19751283-3cf6-4c25-9601-e011ab15c0a2"}
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 0xf6aebb7c37d8bea1de7b49573043b8bb1a40d3186619234ccebac5c22fcbf41a. Chain 2 (Bitcoin): anchored in block 953915 (2026-06-16T08:36:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/19751283-3cf6-4c25-9601-e011ab15c0a2.json and https://artists.proofprofile.net/proofs/artist/19751283-3cf6-4c25-9601-e011ab15c0a2.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-16T08:36:32Z
  text: {"copyright_id":"0xf6aebb7c37d8bea1de7b49573043b8bb1a40d3186619234ccebac5c22fcbf41a","name":"Leonard V","registered_at":"2026-06-15T22:18:08Z","symbol":"NIM0849042","token_address":"0xef26fc6a227474070942d622f971df143a03a87d","type":"artist","uuid":"19751283-3cf6-4c25-9601-e011ab15c0a2"}
album: Aether
  type: MusicAlbum
  date published: 2025-04-12
  track: Lost in Space
    type: MusicRecording
    duration: PT1M48S
    duration ms: 108024
    explicit: false
    by artist: Leonard V
    in album: Aether
      type: MusicAlbum
      date published: 2025-04-12
    isrc code: GBLFP2526036
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T07:57:23+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xcfa8888a5a6c7ba80693771a63ba7b60f77674d35e3b8b99312788700d8c8a63
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958846
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958846
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLFP2526036
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T08:14:15Z
    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 0xcfa8888a5a6c7ba80693771a63ba7b60f77674d35e3b8b99312788700d8c8a63. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T08:14:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLFP2526036 — a six-check JSON result.
      date published: 2026-07-20T08:14:15Z
    audio: Lost in Space
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 90.196
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.378
      additional property: Energy
        type: PropertyValue
        value: 0.032
      additional property: Speechiness
        type: PropertyValue
        value: 0.061
      additional property: Acousticness
        type: PropertyValue
        value: 0.95
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.143
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.276
      additional property: Loudness (dB)
        type: PropertyValue
        value: -23.285
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: Spaceship
    type: MusicRecording
    duration: PT1M48S
    duration ms: 108024
    explicit: false
    by artist: Leonard V
    in album: Aether
      type: MusicAlbum
      date published: 2025-04-12
    isrc code: GBLFP2526038
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-22T09:41:16+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7d80437a5956a4d754a1e6729066ae99e9e81146f42179fda0264bd0c370cb0a
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959118
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959118
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLFP2526038
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-22T10:01:58Z
    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 0x7d80437a5956a4d754a1e6729066ae99e9e81146f42179fda0264bd0c370cb0a. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLFP2526038 — a six-check JSON result.
      date published: 2026-07-22T10:01:58Z
    audio: Spaceship
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 137.494
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.705
      additional property: Energy
        type: PropertyValue
        value: 0.182
      additional property: Speechiness
        type: PropertyValue
        value: 0.094
      additional property: Acousticness
        type: PropertyValue
        value: 0.772
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.094
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.285
      additional property: Loudness (dB)
        type: PropertyValue
        value: -21.732
      additional property: Key Name
      additional property: Mode Name

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Major