Los Masters
type: MusicGroup
genre: cumbia norteña
genre: norteño
genre: norteño-sax
popularity: 6
followers: 804
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9bc0e2bf2275bd054e8a46d86cd3f9b0aee9d6907261ee379b092769d2eacc67
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954742
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954742
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fd6a6ff8-4327-4195-abdb-b070a80810db.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fd6a6ff8-4327-4195-abdb-b070a80810db.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fd6a6ff8-4327-4195-abdb-b070a80810db
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T20:46:40Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9bc0e2bf2275bd054e8a46d86cd3f9b0aee9d6907261ee379b092769d2eacc67","name":"Los Masters","registered_at":"2026-06-21T17:57:31Z","symbol":"NIM1993827","token_address":"0xae73c026187d6292d9c51c02df70806a52b4749d","type":"artist","uuid":"fd6a6ff8-4327-4195-abdb-b070a80810db"}
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 0x9bc0e2bf2275bd054e8a46d86cd3f9b0aee9d6907261ee379b092769d2eacc67. Chain 2 (Bitcoin): anchored in block 954742 (2026-06-21T20:46:40Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fd6a6ff8-4327-4195-abdb-b070a80810db.json and https://artists.proofprofile.net/proofs/artist/fd6a6ff8-4327-4195-abdb-b070a80810db.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T20:46:40Z
  text: {"copyright_id":"0x9bc0e2bf2275bd054e8a46d86cd3f9b0aee9d6907261ee379b092769d2eacc67","name":"Los Masters","registered_at":"2026-06-21T17:57:31Z","symbol":"NIM1993827","token_address":"0xae73c026187d6292d9c51c02df70806a52b4749d","type":"artist","uuid":"fd6a6ff8-4327-4195-abdb-b070a80810db"}
album: Me Muero
  type: MusicAlbum
  date published: 2013-03-12
album: Más Mexicanísimos Que Nunca
  type: MusicAlbum
  date published: 2017-09-15
album: Te Quiero Más
  type: MusicAlbum
  date published: 2019-02-28
album: Éntrele al huapango
  type: MusicAlbum
  date published: 2022-10-19
  track: Éntrele al huapango
    type: MusicRecording
    duration: PT3M14S
    duration ms: 194180
    explicit: false
    by artist: Los Masters
    in album: Éntrele al huapango
      type: MusicAlbum
      date published: 2022-10-19
    genre: cumbia norteña
    genre: norteño
    genre: norteño-sax
    isrc code: QZRP52231468
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T13:34:20+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x150a74fa284178b862af0b2868b92b9942356e9e16807c78d9fd5425c8c78493
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956822
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956822
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZRP52231468
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T18:48:28Z
    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 0x150a74fa284178b862af0b2868b92b9942356e9e16807c78d9fd5425c8c78493. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QZRP52231468.
      date published: 2026-07-05T18:48:28Z
    audio: Éntrele al huapango
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 100.019
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.786
      additional property: Energy
        type: PropertyValue
        value: 0.933
      additional property: Speechiness
        type: PropertyValue
        value: 0.036
      additional property: Acousticness
        type: PropertyValue
        value: 0.248
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.046
      additional property: Liveness
        type: PropertyValue
        value: 0.077
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.778
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.014
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Te Quiero Conquistar
  type: MusicAlbum
  date published: 2023-03-03
  track: Te Quiero Conquistar
    type: MusicRecording
    duration: PT3M16S
    duration ms: 196093
    explicit: false
    by artist: Los Masters
    in album: Te Quiero Conquistar
      type: MusicAlbum
      date published: 2023-03-03
    genre: cumbia norteña
    genre: norteño
    genre: norteño-sax
    isrc code: QZDA82339878
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T00:21:40+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x837373edba53bfc6af160efd29ff8ac1871684c319df82c8d52bf706149e9185
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956728
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956728
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA82339878
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T01:43:49Z
    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 0x837373edba53bfc6af160efd29ff8ac1871684c319df82c8d52bf706149e9185. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZDA82339878.
      date published: 2026-07-05T01:43:49Z
    audio: Te Quiero Conquistar
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 119.966
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.801
      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: El Chiflido (Se Busca)
album: En Vivo 2024 (En vivo)
album: Bosques Perdidos
album: El Caballito

Energy
type: PropertyValue
value: 0.787

Speechiness
type: PropertyValue
value: 0.034

Acousticness
type: PropertyValue
value: 0.141

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.132

Valence (Positivity)
type: PropertyValue
value: 0.594

Loudness (dB)
type: PropertyValue
value: -4.074

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Major

El Chiflido (Se Busca)
type: MusicAlbum
date published: 2023-06-16

En Vivo 2024 (En vivo)
type: MusicAlbum
date published: 2024-03-12

Bosques Perdidos
type: MusicAlbum
date published: 2024-08-09

El Caballito
type: MusicAlbum
date published: 2025-01-03