Grupo Demente
type: MusicGroup
genre: cumbia norteña
genre: norteño
genre: norteño-sax
popularity: 14
followers: 1244
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x493850dbdb0f7641d3887d8905f4e3e8446b5f11cd6e0f60775f7cb549198615
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953648
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953648
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/425a6dc9-9c42-41db-a322-e3c46ddda74b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/425a6dc9-9c42-41db-a322-e3c46ddda74b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/425a6dc9-9c42-41db-a322-e3c46ddda74b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T15:20:52Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x493850dbdb0f7641d3887d8905f4e3e8446b5f11cd6e0f60775f7cb549198615","name":"Grupo Demente","registered_at":"2026-06-14T11:27:02Z","symbol":"NIM0438368","token_address":"0x78061f46eb8d21245ce0f106481d9ea158620f6b","type":"artist","uuid":"425a6dc9-9c42-41db-a322-e3c46ddda74b"}
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 0x493850dbdb0f7641d3887d8905f4e3e8446b5f11cd6e0f60775f7cb549198615. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/425a6dc9-9c42-41db-a322-e3c46ddda74b.json and https://artists.proofprofile.net/proofs/artist/425a6dc9-9c42-41db-a322-e3c46ddda74b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T15:20:52Z
  text: {"copyright_id":"0x493850dbdb0f7641d3887d8905f4e3e8446b5f11cd6e0f60775f7cb549198615","name":"Grupo Demente","registered_at":"2026-06-14T11:27:02Z","symbol":"NIM0438368","token_address":"0x78061f46eb8d21245ce0f106481d9ea158620f6b","type":"artist","uuid":"425a6dc9-9c42-41db-a322-e3c46ddda74b"}
album: Todavía Estoy Aquí
  type: MusicAlbum
  date published: 2012
album: Ojos Negros
  type: MusicAlbum
  date published: 2012
album: Lo Que No Fue No Será
  type: MusicAlbum
  date published: 2012
  track: Lo Que No Fue No Será
    type: MusicRecording
    duration: PT2M51S
    duration ms: 171120
    explicit: false
    by artist: Grupo Demente
    in album: Lo Que No Fue No Será
      type: MusicAlbum
      date published: 2012
    genre: cumbia norteña
    genre: norteño
    genre: norteño-sax
    isrc code: USV291441559
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T16:58:06+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf485c77cb867af01c4dad86b70b17a55a4f4d960a6624656b53351ffaaaebaae
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958448
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958448
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USV291441559
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T19:49:21Z
    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 0xf485c77cb867af01c4dad86b70b17a55a4f4d960a6624656b53351ffaaaebaae. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/USV291441559.
      date published: 2026-07-17T19:49:21Z
    audio: Lo Que No Fue No Será
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 109.113
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.655
      additional property: Energy
        type: PropertyValue
        value: 0.772
      additional property: Speechiness
        type: PropertyValue
        value: 0.036
      additional property: Acousticness
        type: PropertyValue
        value: 0.314
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.119
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.83
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.827
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: Qué Bello
    type: MusicRecording
    duration: PT3M38S
    duration ms: 218640
    explicit: false
    by artist: Grupo Demente
    in album: Lo Que No Fue No Será
      type: MusicAlbum
      date published: 2012
    genre: cumbia norteña
    genre: norteño
    genre: norteño-sax
    isrc code: USV291441562
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T13:34:51+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2692ac492aaa7c6f3dcfebe11ddbca742491c1ce928ba2dfc7d8b784d7e9ce1d
    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/USV291441562
    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 0x2692ac492aaa7c6f3dcfebe11ddbca742491c1ce928ba2dfc7d8b784d7e9ce1d. 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/USV291441562.
      date published: 2026-07-17T19:12:23Z
    audio: Qué Bello
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 107.964
      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: 0.869
      additional property: Energy
        type: PropertyValue
        value: 0.648
      additional property: Speechiness
        type: PropertyValue
        value: 0.041
      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: ¿Por Qué Volviste?
album: Alcanzando Un Sueño
album: Apoco También
album: Estoy Desesperado
album: Llego Tu Papi
album: Nadie Va A Pensar En Ti Mejor Que Yo (En Vivo)
album: Las Nubes
album: Popurri De Cumbias
album: Nunca Jamas
album: El Día Que Puedas
album: Demente (En Vivo)
album: En Vivo
album: Directo al Corazón
album: Incansables
album: Rosas
album: Un Ángel
album: La Güera Salomé
album: Desnuda

Acousticness
type: PropertyValue
value: 0.187

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.069

Valence (Positivity)
type: PropertyValue
value: 0.658

Loudness (dB)
type: PropertyValue
value: -7.807

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

¿Por Qué Volviste?
type: MusicAlbum
date published: 2012
track: Buscaré
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170826
  explicit: false
  by artist: Grupo Demente
  in album: ¿Por Qué Volviste?
    type: MusicAlbum
    date published: 2012
  genre: cumbia norteña
  genre: norteño
  genre: norteño-sax
  isrc code: USV351431336
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T09:37:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7a089c9fe7f4a33a586a902838adee906ce1fe0447a8c0f7249139d0a85bf093
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956776
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956776
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USV351431336
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:59:37Z
  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 0x7a089c9fe7f4a33a586a902838adee906ce1fe0447a8c0f7249139d0a85bf093. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/USV351431336.
    date published: 2026-07-05T10:59:37Z
  audio: Buscaré
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 126.961
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.818
    additional property: Energy
      type: PropertyValue
      value: 0.673
    additional property: Speechiness
      type: PropertyValue
      value: 0.044
    additional property: Acousticness
      type: PropertyValue
      value: 0.471
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.002
    additional property: Liveness
      type: PropertyValue
      value: 0.109
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.918
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.516
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Alcanzando Un Sueño
type: MusicAlbum
date published: 2021-04-26

Apoco También
type: MusicAlbum
date published: 2021-05-17

Estoy Desesperado
type: MusicAlbum
date published: 2021-06-24

Llego Tu Papi
type: MusicAlbum
date published: 2021-08-27

Nadie Va A Pensar En Ti Mejor Que Yo (En Vivo)
type: MusicAlbum
date published: 2022-01-31

Las Nubes
type: MusicAlbum
date published: 2022-10-11

Popurri De Cumbias
type: MusicAlbum
date published: 2022-10-23

Nunca Jamas
type: MusicAlbum
date published: 2022-11-09

El Día Que Puedas
type: MusicAlbum
date published: 2022-12-08

Demente (En Vivo)
type: MusicAlbum
date published: 2023-03-17

En Vivo
type: MusicAlbum
date published: 2023-03-23

Directo al Corazón
type: MusicAlbum
date published: 2023-09-08

El Día Que Puedas
type: MusicAlbum
date published: 2023-10-06

Incansables
type: MusicAlbum
date published: 2023-11-24

Rosas
type: MusicAlbum
date published: 2024-04-12

Un Ángel
type: MusicAlbum
date published: 2024-04-26

La Güera Salomé
type: MusicAlbum
date published: 2024-05-10

Desnuda
type: MusicAlbum
date published: 2024-05-24

Desnuda
type: MusicAlbum
date published: 2024-05-31