Sujeto K
type: MusicGroup
genre: rap metal
popularity: 9
followers: 2622
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2a9c871e56e44b0e34cfec0401e14fc061e1a72fa9a6dd332e9f5a8002c5a0f1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954580
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954580
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b778f14e-c5aa-4528-9ed8-ade86e2870c9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b778f14e-c5aa-4528-9ed8-ade86e2870c9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b778f14e-c5aa-4528-9ed8-ade86e2870c9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T17:48:00Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2a9c871e56e44b0e34cfec0401e14fc061e1a72fa9a6dd332e9f5a8002c5a0f1","name":"Sujeto K","registered_at":"2026-06-20T15:16:23Z","symbol":"NIM1639533","token_address":"0x2b7f23b5312f12c954f48d8b224442df8464ed97","type":"artist","uuid":"b778f14e-c5aa-4528-9ed8-ade86e2870c9"}
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 0x2a9c871e56e44b0e34cfec0401e14fc061e1a72fa9a6dd332e9f5a8002c5a0f1. Chain 2 (Bitcoin): anchored in block 954580 (2026-06-20T17:48:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b778f14e-c5aa-4528-9ed8-ade86e2870c9.json and https://artists.proofprofile.net/proofs/artist/b778f14e-c5aa-4528-9ed8-ade86e2870c9.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-20T17:48:00Z
  text: {"copyright_id":"0x2a9c871e56e44b0e34cfec0401e14fc061e1a72fa9a6dd332e9f5a8002c5a0f1","name":"Sujeto K","registered_at":"2026-06-20T15:16:23Z","symbol":"NIM1639533","token_address":"0x2b7f23b5312f12c954f48d8b224442df8464ed97","type":"artist","uuid":"b778f14e-c5aa-4528-9ed8-ade86e2870c9"}
album: Resujetokados
  type: MusicAlbum
  date published: 2007
album: Sujetokaina
  type: MusicAlbum
  date published: 2010-03-11
album: Tiburones
  type: MusicAlbum
  date published: 2012-03-06
album: Sujetrónika
  type: MusicAlbum
  date published: 2012-10-30
  track: Estúpidos
    type: MusicRecording
    duration: PT3M42S
    duration ms: 222093
    explicit: false
    by artist: Sujeto K
    in album: Sujetrónika
      type: MusicAlbum
      date published: 2012-10-30
    genre: rap metal
    isrc code: ES8241221004
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T16:50:35+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xafc9bed9553897442aac974a0ac5e85dbe3b1ef28be5340b1d7a6dcf42fbdb6f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958761
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958761
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES8241221004
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T17:49:48Z
    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 0xafc9bed9553897442aac974a0ac5e85dbe3b1ef28be5340b1d7a6dcf42fbdb6f. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/ES8241221004 — a six-check JSON result.
      date published: 2026-07-19T17:49:48Z
    audio: Estúpidos
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 169.95
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.523
      additional property: Energy
        type: PropertyValue
        value: 0.95
      additional property: Speechiness
        type: PropertyValue
        value: 0.19
      additional property: Acousticness
        type: PropertyValue
        value: 0.091
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.326
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.886
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.268
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Hijxsdeput4
  type: MusicAlbum
  date published: 2024-04-02
album: Nada Dura Para Siempre
  type: MusicAlbum
  date published: 2024-04-12
album: Confeti y Purpurina
  type: MusicAlbum
  date published: 2024-05-15
album: Indestructible
  type: MusicAlbum
  date published: 2024-05-29
album: Hemos Vuelto para Fracasar
  type: MusicAlbum
  date published: 2024-06-19
album: Amor y Pogos
  type: MusicAlbum
  date published: 2024-06-21
album: Freed From Desire
  type: MusicAlbum
  date published: 2025-05-15
  track: Freed From Desire
    type: MusicRecording
    duration: PT4M12S
    duration ms: 252262
    explicit: false
    by artist: Sujeto K
    in album: Freed From Desire
      type: MusicAlbum
      date published: 2025-05-15
    genre: rap metal
    isrc code: ES8242544401
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T06:40:27+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x26412d409729f558f0023392379ca802b992c97f1ed5c9f74387706e47e28ea7
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956484
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956484
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES8242544401
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T10:47:44Z
    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 0x26412d409729f558f0023392379ca802b992c97f1ed5c9f74387706e47e28ea7. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/ES8242544401 — a six-check JSON result.
      date published: 2026-07-03T10:47:44Z
    audio: Freed From Desire
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 137
      additional property: Musical Key
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Tú Sigue Así

Musical Key
type: PropertyValue
value: 1

Mode (Major/Minor)
type: PropertyValue
value: 0

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.512

Energy
type: PropertyValue
value: 0.954

Speechiness
type: PropertyValue
value: 0.074

Acousticness
type: PropertyValue
value: 0

Instrumentalness
type: PropertyValue
value: 0.071

Liveness
type: PropertyValue
value: 0.095

Valence (Positivity)
type: PropertyValue
value: 0.462

Loudness (dB)
type: PropertyValue
value: -7.053

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Minor

Tú Sigue Así
type: MusicAlbum
date published: 2025-11-04