Karla Holt
type: MusicGroup
popularity: 4
followers: 606
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x451cea659befc1bc1547c7918a3517456d7fdaed59ecd11066e9a9a90e042369
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953899
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/13e97d53-5620-4486-87b5-13f1c27f73f4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/13e97d53-5620-4486-87b5-13f1c27f73f4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/13e97d53-5620-4486-87b5-13f1c27f73f4
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
  type: PropertyValue
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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 0x451cea659befc1bc1547c7918a3517456d7fdaed59ecd11066e9a9a90e042369. Chain 2 (Bitcoin): anchored in block 953899 (2026-06-16T06:37:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/13e97d53-5620-4486-87b5-13f1c27f73f4.json and https://artists.proofprofile.net/proofs/artist/13e97d53-5620-4486-87b5-13f1c27f73f4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T06:37:25Z
  text: {"copyright_id":"0x451cea659befc1bc1547c7918a3517456d7fdaed59ecd11066e9a9a90e042369","name":"Karla Holt","registered_at":"2026-06-15T20:25:30Z","symbol":"NIM0822190","token_address":"0x1e6c49730fa6f69ca9d190e5bcd3ce60ce284df1","type":"artist","uuid":"13e97d53-5620-4486-87b5-13f1c27f73f4"}
album: Que Quede Claro
  type: MusicAlbum
  date published: 2019-05-03
album: Tentación
  type: MusicAlbum
  date published: 2019-08-02
album: Me Enamoré
  type: MusicAlbum
  date published: 2019-10-25
album: My Only Wish
  type: MusicAlbum
  date published: 2019-12-20
album: Gracias por Rendirte
  type: MusicAlbum
  date published: 2020-03-13
album: You're the Inspiration
  type: MusicAlbum
  date published: 2020-06-12
album: Sabe a Libertad
  type: MusicAlbum
  date published: 2020-07-03
album: Prohibido
  type: MusicAlbum
  date published: 2020-08-21
album: Callate y Besa
  type: MusicAlbum
  date published: 2020-09-25
album: Soltera
  type: MusicAlbum
  date published: 2020-10-30
album: Merry Christmas, Happy Holidays
  type: MusicAlbum
  date published: 2020-12-18
album: Hp / La Respuesta
  type: MusicAlbum
  date published: 2021-01-15
  track: Hp / La Respuesta
album: No Me Vuelvo a Enamorar
  type: MusicAlbum
  date published: 2021-03-05
album: Bombón
  type: MusicAlbum
  date published: 2021-05-07
album: Hasta Que Me Olvides (Cover)
  type: MusicAlbum
  date published: 2021-05-21
album: Te Encanta
  type: MusicAlbum
  date published: 2021-10-01
album: Bad Habits
  type: MusicAlbum
  date published: 2021-10-29
album: Like It's Christmas
  type: MusicAlbum
  date published: 2021-12-03
album: La de la Suerte
  type: MusicAlbum
  date published: 2022-02-22
album: Falling All in You
  type: MusicAlbum
  date published: 2022-04-22
album: Entre Tragos
  type: MusicAlbum
  date published: 2022-06-25
album: Maroon 5 Medley
  type: MusicAlbum
  date published: 2022-09-30
album: Dubai
  type: MusicAlbum
  date published: 2022-10-28
album: Santa, Can´t You Hear Me
  type: MusicAlbum
  date published: 2022-12-16
album: Si Fuera Tú
  type: MusicAlbum
  date published: 2023-02-24
album: C.I.R.C.O.
  type: MusicAlbum
  date published: 2023-05-26
album: La Aventura
  type: MusicAlbum
  date published: 2023-09-08
album: Amárrame (Cover)
  type: MusicAlbum
  date published: 2023-10-28
album: Volvemos a Empezar
  type: MusicAlbum
  date published: 2023-12-15
  track: Volvemos a Empezar
album: Sin Nada Escrito
  type: MusicAlbum
  date published: 2024-08-26
album: Todo Es Posible en Navidad
  type: MusicAlbum
  date published: 2024-12-13
album: Erase una Vez
  type: MusicAlbum
  date published: 2025-07-04
track: Juntos (Colaborativa)

Hp / La Respuesta
type: MusicRecording
duration: PT2M50S
duration ms: 170322
explicit: true
by artist: Karla Holt
in album: Hp / La Respuesta
  type: MusicAlbum
  date published: 2021-01-15
isrc code: QZ5AB2117275
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:02:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ5AB2117275
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d16169ddc666ea34e9ba99b9b7c24a56d20db0661b6fd53ff7eb8feb31d7358. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZ5AB2117275.
  date published: 2026-07-08T03:22:41Z
audio: Hp / La Respuesta
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.214
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
    value: 0.634
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.391
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.198
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.615
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.515
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Volvemos a Empezar
type: MusicRecording
duration: PT3M0S
duration ms: 180600
explicit: false
by artist: Karla Holt
in album: Volvemos a Empezar
  type: MusicAlbum
  date published: 2023-12-15
isrc code: QZW9L2365985
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:37:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbdd96d8067ff75351c3cc8e385f2ea97f32abb81296eff2cca00752b934f2d37
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9L2365985
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdd96d8067ff75351c3cc8e385f2ea97f32abb81296eff2cca00752b934f2d37. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZW9L2365985.
  date published: 2026-07-08T03:20:19Z
audio: Volvemos a Empezar
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.849
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.475
  additional property: Energy
    type: PropertyValue
    value: 0.661
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.333
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.124
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.272
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.973
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Juntos (Colaborativa)
type: MusicRecording
duration: PT6M16S
duration ms: 376304
explicit: false
by artist: Elefante
by artist: Natalia Sosa
by artist: Andy Zuno
by artist: Manuel Balbi
by artist: Marlene Stahl
by artist: Dai Liparoti
by artist: Arianna De México
by artist: Carlos Aguirre
by artist: Leonardo Bono
by artist: José Daniel Figueroa
by artist: Daniela Ibañez
by artist: Rodrigo Vera
by artist: Pablo Díaz Gordoa
by artist: Karenka
by artist: Maya Karunna
by artist: Pamela Jean
by artist: Tino
by artist: Alexa
by artist: René Franco
by artist: Carmen Sarahi
by artist: Pablo Dazán
by artist: Nine Andrés
by artist: Vik Guga
by artist: Edgar Oceransky
by artist: Tyna Ros
by artist: Martín Ceballos
by artist: Mimi
by artist: Lety López
by artist: Jacser
by artist: Erika Marin
by artist: Junko
by artist: Xubby
by artist: Dylan Evander García
by artist: Luis Fernando Zertuche
by artist: Oscar Cadena
by artist: Carlos Benavides
by artist: Tavo Primo
by artist: Andrea Lagunes
by artist: Mika Sanz
by artist: Andrés León
by artist: Emilio Cabrera
by artist: Mariana Longue
by artist: Majo López
by artist: Karla Holt
by artist: Paco Barrios
by artist: Alberto Kreimerman
by artist: Amed Medina
by artist: Eric Girón
by artist: Luigi Palooza
by artist: David Federico Suzawa
in album: Juntos
  type: MusicAlbum
  date published: 2020-06-05
isrc code: QZHZ42026743
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T07:43:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x27226e5332b96fc76ea8b51a2ab22d7385cacaf209aac8966d49ecd5aad23862
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ42026743
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27226e5332b96fc76ea8b51a2ab22d7385cacaf209aac8966d49ecd5aad23862. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZHZ42026743.
  date published: 2026-07-02T03:55:08Z
audio: Juntos (Colaborativa)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.32
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.447
  additional property: Energy
    type: PropertyValue
    value: 0.804
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.192
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.203
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.343
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.438
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major