Sin Freno
type: MusicGroup
genre: cumbia norteña
genre: norteño-sax
genre: sierreño
popularity: 11
followers: 877
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb1458231e4066b66444f8454d2ac52fa62710fe4aae9aba6e5323cddeca76a97
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953633
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953633
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/33073c1a-47a9-4564-8487-cb7629ef1b51.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/33073c1a-47a9-4564-8487-cb7629ef1b51.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/33073c1a-47a9-4564-8487-cb7629ef1b51
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T12:47:11Z
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 0xb1458231e4066b66444f8454d2ac52fa62710fe4aae9aba6e5323cddeca76a97. Chain 2 (Bitcoin): anchored in block 953633 (2026-06-14T12:47:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/33073c1a-47a9-4564-8487-cb7629ef1b51.json and https://artists.proofprofile.net/proofs/artist/33073c1a-47a9-4564-8487-cb7629ef1b51.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T12:47:11Z
  text: {"copyright_id":"0xb1458231e4066b66444f8454d2ac52fa62710fe4aae9aba6e5323cddeca76a97","name":"Sin Freno","registered_at":"2026-06-14T09:48:48Z","symbol":"NIM0414921","token_address":"0x9c7176f01121b9df59dda0f6e620295a16f5cef1","type":"artist","uuid":"33073c1a-47a9-4564-8487-cb7629ef1b51"}
album: Amor Sincero
  type: MusicAlbum
  date published: 2023-02-11
album: La Flechita
  type: MusicAlbum
  date published: 2023-02-11
album: Bonita y Mala
  type: MusicAlbum
  date published: 2023-02-11
album: Charanga Bonita
  type: MusicAlbum
  date published: 2023-05-12
album: Solo Te Amo a Ti
  type: MusicAlbum
  date published: 2023-05-12
album: Sera Muy Tarde
  type: MusicAlbum
  date published: 2023-05-12
album: Popurri Huracanes del Norte / Como Les Quedo / Juan Camaney / Eres Casado y Te Regaña Tu Señora
  type: MusicAlbum
  date published: 2023-06-19
album: Mi Chica Escolar
  type: MusicAlbum
  date published: 2023-08-15
album: Háganse a un Lado Que Venimos
  type: MusicAlbum
  date published: 2023-11-04
  track: Bonita y Mala
    type: MusicRecording
    duration: PT2M55S
    duration ms: 175883
    explicit: false
    by artist: Sin Freno
    in album: Háganse a un Lado Que Venimos
      type: MusicAlbum
      date published: 2023-11-04
    genre: cumbia norteña
    genre: norteño-sax
    genre: sierreño
    isrc code: USL4R2372708
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T23:24:33+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf150e4edf3cb006c672219647e78d71f590b5711cc8225129266f87359f15206
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958468
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958468
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4R2372708
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T00:27:51Z
    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 0xf150e4edf3cb006c672219647e78d71f590b5711cc8225129266f87359f15206. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/USL4R2372708.
      date published: 2026-07-18T00:27:51Z
    audio: Bonita y Mala
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 102.94
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.768
      additional property: Energy
        type: PropertyValue
        value: 0.771
      additional property: Speechiness
        type: PropertyValue
        value: 0.029
      additional property: Acousticness
        type: PropertyValue
        value: 0.082
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.156
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.948
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.895
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Popurri de Huracanes del Norte
    type: MusicRecording
    duration: PT5M9S
    duration ms: 309546
    explicit: false
    by artist: Sin Freno
    in album: Háganse a un Lado Que Venimos
      type: MusicAlbum
      date published: 2023-11-04
    genre: cumbia norteña
    genre: norteño-sax
    genre: sierreño
    isrc code: USL4R2372710
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T07:28:25+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xfb5d6a0fb949a4a883eb055f01fe2ded1394e092b0bbec0723a4751bd87cc46b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956790
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956790
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4R2372710
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T12:31:54Z
    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 0xfb5d6a0fb949a4a883eb055f01fe2ded1394e092b0bbec0723a4751bd87cc46b. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/USL4R2372710.
      date published: 2026-07-05T12:31:54Z
    audio: Popurri de Huracanes del Norte
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 95.059
      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: Me Pregunta el Corazón
album: Como Lograr
album: Popurri de Quebradita: Eva María / Como la Luna / Casimira
album: El Tío Juan
album: Siento Morir
album: Ya No
album: El Llorón
album: Sin Lado Izquierdo
album: Ojalá Te Animes
album: Sesión Live
album: Lo Que Hay Por Aquí
album: Y Te VI Con Él
album: En Dónde Estabas?
album: Creíste

Musical Key
type: PropertyValue
value: 8

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.818

Energy
type: PropertyValue
value: 0.836

Speechiness
type: PropertyValue
value: 0.045

Acousticness
type: PropertyValue
value: 0.084

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.347

Valence (Positivity)
type: PropertyValue
value: 0.87

Loudness (dB)
type: PropertyValue
value: -6.993

Key Name
type: PropertyValue
value: Ab

Mode Name
type: PropertyValue
value: Major

Me Pregunta el Corazón
type: MusicAlbum
date published: 2024-02-09

Como Lograr
type: MusicAlbum
date published: 2024-03-07

Popurri de Quebradita: Eva María / Como la Luna / Casimira
type: MusicAlbum
date published: 2024-04-26

El Tío Juan
type: MusicAlbum
date published: 2024-05-25

Siento Morir
type: MusicAlbum
date published: 2024-06-21

Ya No
type: MusicAlbum
date published: 2024-07-03
track: Ya No
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186325
  explicit: false
  by artist: Sin Freno
  in album: Ya No
    type: MusicAlbum
    date published: 2024-07-03
  genre: cumbia norteña
  genre: norteño-sax
  genre: sierreño
  isrc code: USHM92404801
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T18:25:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2f6709cf308b06a1cdd579ac1549d88e00dd6b36dca8d03285589bf8f02aaa99
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956826
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956826
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM92404801
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T19:27:56Z
  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 0x2f6709cf308b06a1cdd579ac1549d88e00dd6b36dca8d03285589bf8f02aaa99. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/USHM92404801.
    date published: 2026-07-05T19:27:56Z
  audio: Ya No
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 97.89
    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: 0.674
    additional property: Energy
      type: PropertyValue
      value: 0.798
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.051
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.375
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.91
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.855
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

El Llorón
type: MusicAlbum
date published: 2024-10-04

Sin Lado Izquierdo
type: MusicAlbum
date published: 2024-10-11

Ojalá Te Animes
type: MusicAlbum
date published: 2024-12-20

Sesión Live
type: MusicAlbum
date published: 2025-03-04

Lo Que Hay Por Aquí
type: MusicAlbum
date published: 2025-03-07

Y Te VI Con Él
type: MusicAlbum
date published: 2025-05-22

En Dónde Estabas?
type: MusicAlbum
date published: 2025-08-31

Creíste
type: MusicAlbum
date published: 2025-08-31