fr7nnn
type: MusicGroup
popularity: 4
followers: 2
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x32bd18bcb8f6345fbfcc24b18efc8e3d81e90574f9dfe6e822ae76ed1fa5f3bf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954717
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954717
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f3e445b6-5c50-4719-b6f1-5f348bba6a43.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f3e445b6-5c50-4719-b6f1-5f348bba6a43.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f3e445b6-5c50-4719-b6f1-5f348bba6a43
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T15:47:51Z
additional property: OTSCanonicalRecord
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 0x32bd18bcb8f6345fbfcc24b18efc8e3d81e90574f9dfe6e822ae76ed1fa5f3bf. Chain 2 (Bitcoin): anchored in block 954717 (2026-06-21T15:47:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f3e445b6-5c50-4719-b6f1-5f348bba6a43.json and https://artists.proofprofile.net/proofs/artist/f3e445b6-5c50-4719-b6f1-5f348bba6a43.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T15:47:51Z
album: Chat (Mandame la Ubi)
  type: MusicAlbum
  date published: 2025-10-17
  track: Chat (Mandame la Ubi)
    type: MusicRecording
    duration: PT2M27S
    duration ms: 147237
    explicit: true
    by artist: fr7nnn
    in album: Chat (Mandame la Ubi)
      type: MusicAlbum
      date published: 2025-10-17
    isrc code: QZTVM2543742
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T22:32:27+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9d69550684a28f7c7946f80eef597ca2f8a0132f5bcc9e2dc1802400a561edea
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958793
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958793
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTVM2543742
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T01:34:28Z
    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 0x9d69550684a28f7c7946f80eef597ca2f8a0132f5bcc9e2dc1802400a561edea. Chain 2 (Bitcoin): anchored in block 958793 (2026-07-20T01:34:28Z), 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/QZTVM2543742.
      date published: 2026-07-20T01:34:28Z
    audio: Chat (Mandame la Ubi)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 139.837
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.632
      additional property: Energy
        type: PropertyValue
        value: 0.514
      additional property: Speechiness
        type: PropertyValue
        value: 0.16
      additional property: Acousticness
        type: PropertyValue
        value: 0.113
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.256
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.513
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.678
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Wea Con Sentimiento
  type: MusicAlbum
  date published: 2025-10-27
album: Me Gusta lo Caro
  type: MusicAlbum
  date published: 2025-10-31
  track: Me Gusta lo Caro
    type: MusicRecording
    duration: PT2M47S
    duration ms: 167346
    explicit: true
    by artist: fr7nnn
    in album: Me Gusta lo Caro
      type: MusicAlbum
      date published: 2025-10-31
    isrc code: GXHUT2576627
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T14:20:50+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x370d989938de5276e170dc585964feb36c888fa577496bcfac60ec51e71b2c4f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958901
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958901
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GXHUT2576627
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T15:07:00Z
    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 0x370d989938de5276e170dc585964feb36c888fa577496bcfac60ec51e71b2c4f. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T15:07:00Z), 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/GXHUT2576627.
      date published: 2026-07-20T15:07:00Z
    audio: Me Gusta lo Caro
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 94.974
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.643
      additional property: Energy
        type: PropertyValue
        value: 0.782
      additional property: Speechiness
        type: PropertyValue
        value: 0.031
      additional property: Acousticness
        type: PropertyValue
        value: 0.087
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.268
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.456
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name

Loudness (dB)
type: PropertyValue
value: -5.453

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Minor