Martin Rolan
type: MusicGroup
genre: cuarteto
popularity: 9
followers: 689
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x86e141b21d8232ab9134619f74b4af30c0271c337b16fa2a9092f0f4e8f3c9ab
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954650
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954650
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/da031314-8de5-4bfb-b7d7-52c66a5fe580.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/da031314-8de5-4bfb-b7d7-52c66a5fe580.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/da031314-8de5-4bfb-b7d7-52c66a5fe580
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T04:51:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x86e141b21d8232ab9134619f74b4af30c0271c337b16fa2a9092f0f4e8f3c9ab","name":"Martin Rolan","registered_at":"2026-06-21T04:15:24Z","symbol":"NIM1817087","token_address":"0xf8c88f5dc6dcc5f5ad5821b1290a01c12b7966fb","type":"artist","uuid":"da031314-8de5-4bfb-b7d7-52c66a5fe580"}
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 0x86e141b21d8232ab9134619f74b4af30c0271c337b16fa2a9092f0f4e8f3c9ab. Chain 2 (Bitcoin): anchored in block 954650 (2026-06-21T04:51:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/da031314-8de5-4bfb-b7d7-52c66a5fe580.json and https://artists.proofprofile.net/proofs/artist/da031314-8de5-4bfb-b7d7-52c66a5fe580.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T04:51:12Z
  text: {"copyright_id":"0x86e141b21d8232ab9134619f74b4af30c0271c337b16fa2a9092f0f4e8f3c9ab","name":"Martin Rolan","registered_at":"2026-06-21T04:15:24Z","symbol":"NIM1817087","token_address":"0xf8c88f5dc6dcc5f5ad5821b1290a01c12b7966fb","type":"artist","uuid":"da031314-8de5-4bfb-b7d7-52c66a5fe580"}
album: Corazón De Piedra
  type: MusicAlbum
  date published: 1990-02-17
album: La Dupla Del Exito
  type: MusicAlbum
  date published: 1990-06-14
  track: Corazón De Piedra
    type: MusicRecording
    duration: PT2M35S
    duration ms: 155689
    explicit: false
    by artist: Martin Rolan
    in album: La Dupla Del Exito
      type: MusicAlbum
      date published: 1990-06-14
    genre: cuarteto
    isrc code: GBSMU8619803
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T15:30:57+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9161c87512e8974df16863a4966100ae4309bac27322849cc16048a0ad7c8ee2
    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/GBSMU8619803
    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 0x9161c87512e8974df16863a4966100ae4309bac27322849cc16048a0ad7c8ee2. 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/GBSMU8619803.
      date published: 2026-07-17T19:12:23Z
    audio: Corazón De Piedra
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 153.876
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.69
      additional property: Energy
        type: PropertyValue
        value: 0.56
      additional property: Speechiness
        type: PropertyValue
        value: 0.064
      additional property: Acousticness
        type: PropertyValue
        value: 0.095
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.047
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.929
      additional property: Loudness (dB)
        type: PropertyValue
        value: -16.919
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: Cuando Te Pique El Bichito
    type: MusicRecording
    duration: PT2M49S
    duration ms: 169247
    explicit: false
    by artist: Martin Rolan
    in album: La Dupla Del Exito
      type: MusicAlbum
      date published: 1990-06-14
    genre: cuarteto
    isrc code: GBSMU8619806
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T08:59:02+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x6a85f7bb5425fa05f520a280f96fcd96894de2b6a2ba9fb647d7d6b8db8ec185
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958544
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958544
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU8619806
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T12:14:37Z
    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 0x6a85f7bb5425fa05f520a280f96fcd96894de2b6a2ba9fb647d7d6b8db8ec185. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/GBSMU8619806.
      date published: 2026-07-18T12:14:37Z
    audio: Cuando Te Pique El Bichito
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 159.358
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.741
      additional property: Energy
        type: PropertyValue
        value: 0.682
      additional property: Speechiness
        type: PropertyValue
        value: 0.065
      additional property: Acousticness
        type: PropertyValue
        value: 0.075
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.001
      additional property: Liveness
        type: PropertyValue
        value: 0.108
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Solo Tu
album: HDC, Vol. 1-2
album: Sangre Azul, Vol. 3
album: 6 Años, Vol.4
album: En el Nombre del Padre, Vol.5
album: Me Patina el Coco
album: Ritmo de Acordeón / Turco Don Abdon
album: Elena no te vayas (Español)
album: Amar y Vivir
album: Me Llamas
album: Ay, Como Te Tira
album: Enganchados:El Guardabosque / Que Siga El Baile / Chiqui Chiqui Cha
album: Bailar Pegados
album: Buscandote
album: Puerto Montt
album: Mi Negra Es un Vacilón
album: Chau Año Viejo
album: La Parranda Del Amor,El Cuadrito De Mi Amor
album: El Mete Mete
album: Una Historia De Amor
album: Escribeme Una Carta

Valence (Positivity)
type: PropertyValue
value: 0.964

Loudness (dB)
type: PropertyValue
value: -12.595

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Minor

Solo Tu
type: MusicAlbum
date published: 1992-08-13

HDC, Vol. 1-2
type: MusicAlbum
date published: 2011-08-10

Sangre Azul, Vol. 3
type: MusicAlbum
date published: 2019-08-21

6 Años, Vol.4
type: MusicAlbum
date published: 2019-08-21

En el Nombre del Padre, Vol.5
type: MusicAlbum
date published: 2019-10-02

Me Patina el Coco
type: MusicAlbum
date published: 2019-11-04

Ritmo de Acordeón / Turco Don Abdon
type: MusicAlbum
date published: 2019-11-04

Elena no te vayas (Español)
type: MusicAlbum
date published: 2020-07-17

Amar y Vivir
type: MusicAlbum
date published: 2020-11-05

Me Llamas
type: MusicAlbum
date published: 2020-11-24

Ay, Como Te Tira
type: MusicAlbum
date published: 2021-03-08

Enganchados:El Guardabosque / Que Siga El Baile / Chiqui Chiqui Cha
type: MusicAlbum
date published: 2021-06-27

Bailar Pegados
type: MusicAlbum
date published: 2021-09-14

Buscandote
type: MusicAlbum
date published: 2021-10-18

Puerto Montt
type: MusicAlbum
date published: 2022-03-01

Mi Negra Es un Vacilón
type: MusicAlbum
date published: 2022-11-01

Chau Año Viejo
type: MusicAlbum
date published: 2022-12-26

La Parranda Del Amor,El Cuadrito De Mi Amor
type: MusicAlbum
date published: 2024-04-26

El Mete Mete
type: MusicAlbum
date published: 2024-08-13

Una Historia De Amor
type: MusicAlbum
date published: 2025-02-14

Escribeme Una Carta
type: MusicAlbum
date published: 2025-07-04