Héctor del Valle
type: MusicGroup
genre: folklore argentino
popularity: 28
followers: 6232
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc01bb63ddd96d803f83786aad24117e789b86528b573c9f0fd23e58bf90a9527
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1a069abb-b9de-48f1-94ff-7fe7f6ab34d6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1a069abb-b9de-48f1-94ff-7fe7f6ab34d6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1a069abb-b9de-48f1-94ff-7fe7f6ab34d6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc01bb63ddd96d803f83786aad24117e789b86528b573c9f0fd23e58bf90a9527","name":"Héctor del Valle","registered_at":"2026-06-11T12:54:37Z","symbol":"NIM0034251","token_address":"0x15ac57dfbb238348fc80fba242879068fcceff8b","type":"artist","uuid":"1a069abb-b9de-48f1-94ff-7fe7f6ab34d6"}
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 0xc01bb63ddd96d803f83786aad24117e789b86528b573c9f0fd23e58bf90a9527. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1a069abb-b9de-48f1-94ff-7fe7f6ab34d6.json and https://artists.proofprofile.net/proofs/artist/1a069abb-b9de-48f1-94ff-7fe7f6ab34d6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0xc01bb63ddd96d803f83786aad24117e789b86528b573c9f0fd23e58bf90a9527","name":"Héctor del Valle","registered_at":"2026-06-11T12:54:37Z","symbol":"NIM0034251","token_address":"0x15ac57dfbb238348fc80fba242879068fcceff8b","type":"artist","uuid":"1a069abb-b9de-48f1-94ff-7fe7f6ab34d6"}
album: Fogoneando 1 y 2
  type: MusicAlbum
  date published: 1972
  track: Por Despreciao
    type: MusicRecording
    duration: PT2M51S
    duration ms: 171502
    explicit: false
    by artist: Héctor del Valle
    in album: Fogoneando 1 y 2
      type: MusicAlbum
      date published: 1972
    genre: folklore argentino
    isrc code: CACWV2398700
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T14:59:33+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xdefefc4710714e655060c73214a523519ce5eaa5738d6488b35778cfdc9b62d5
    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/CACWV2398700
    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 0xdefefc4710714e655060c73214a523519ce5eaa5738d6488b35778cfdc9b62d5. 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/CACWV2398700.
      date published: 2026-07-05T19:27:56Z
    audio: Por Despreciao
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 90.556
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.586
      additional property: Energy
        type: PropertyValue
        value: 0.344
      additional property: Speechiness
        type: PropertyValue
        value: 0.13
      additional property: Acousticness
        type: PropertyValue
        value: 0.835
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.12
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.614
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.832
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Fogoneando 3 y 4
  type: MusicAlbum
  date published: 1973
album: Fogoneando 5 y 6
  type: MusicAlbum
  date published: 1975
album: Fogoneando 7 y 8
  type: MusicAlbum
  date published: 1981
album: Fogoneando 9 y 10
  type: MusicAlbum
  date published: 1981
  track: El Gatiao Viejo
    type: MusicRecording
    duration: PT2M25S
    duration ms: 145214
    explicit: false
    by artist: Héctor del Valle
    in album: Fogoneando 9 y 10
      type: MusicAlbum
      date published: 1981
    genre: folklore argentino
    isrc code: CACWV2399051
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T08:04:41+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x61137472aea59c11eb9d01700a89a1cce524d4e1938948f71b2ae1102f908d69
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956484
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956484
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CACWV2399051
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T10:47:44Z
    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 0x61137472aea59c11eb9d01700a89a1cce524d4e1938948f71b2ae1102f908d69. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/CACWV2399051.
      date published: 2026-07-03T10:47:44Z
    audio: El Gatiao Viejo
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 93.464
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.584
      additional property: Energy
        type: PropertyValue
        value: 0.387
      additional property: Speechiness
        type: PropertyValue
        value: 0.036
      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: Consejos Del Viejo Irala
album: Martín Castro "A Mi Manera"
album: Jineteando Palenques N° 2
album: De Chacota
album: Las Milongas De Héctor del Valle
album: El Gaucho Martín Fierro, Pt. 2
album: El Gaucho Martín Fierro (Parte 1)
album: La Vuelta De Martín Fierro, Pt. 1
album: Peón De Campo y Por Milonga
album: La Vuelta De Martín Fierro, Pt. 2
album: Solos De Guitarra
album: La Vuelta De Martín Fierro, Pt. 3
album: Bien Surero
album: De Hacha y Punta
album: Entre Milongas y Payadas
album: El Sur Tambien Existe
album: Soy La Milonga
album: Entre Pampas y Fortines
album: La Cautiva Julia Llanos y Dora Echeverría
album: Entre Milicos y Tolderías
album: Fortines Del Desierto
album: Cuestión De Indios y La Fuga De Un Cautivo (Pt 1)
album: Cuestión De Indios y La Fuga De Un Cautivo (Pt 2)
album: Con La Historia Argentina
album: En El Suelo Patrio
album: Cosas De La Historia Chica
album: Surero De Ley
album: Desde El Pasado
album: Mis Relatos N°1
album: "Juan Nadie" Vida y Muerte De Un Compadre Pt 1
album: "Juan Nadie" Vida y Muerte De Un Compadre, Pt. 2
album: Mis Relatos N°2
album: Batiendo La Justa
album: Mis Relatos N°4
album: Mis Relatos N°3
album: Contraste Social
album: Mis Relatos N°5
album: Mis Relatos N°6
album: Sureño Soy
album: 26 Grandes Éxitos

Acousticness
type: PropertyValue
value: 0.875

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.097

Valence (Positivity)
type: PropertyValue
value: 0.653

Loudness (dB)
type: PropertyValue
value: -7.22

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Minor

Consejos Del Viejo Irala
type: MusicAlbum
date published: 1981

Martín Castro "A Mi Manera"
type: MusicAlbum
date published: 1981

Jineteando Palenques N° 2
type: MusicAlbum
date published: 1982

De Chacota
type: MusicAlbum
date published: 1982

Las Milongas De Héctor del Valle
type: MusicAlbum
date published: 1982
track: Desde Muy Muchacho
  type: MusicRecording
  duration: PT2M30S
  duration ms: 150230
  explicit: false
  by artist: Héctor del Valle
  in album: Las Milongas De Héctor del Valle
    type: MusicAlbum
    date published: 1982
  genre: folklore argentino
  isrc code: CACWV2399092
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T11:56:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfcbfda9802ad4bbea0e0cd0540ab886f9a58b1d7929a1bb4d549d239c4e1851e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958547
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958547
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CACWV2399092
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T12:44:05Z
  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 0xfcbfda9802ad4bbea0e0cd0540ab886f9a58b1d7929a1bb4d549d239c4e1851e. Chain 2 (Bitcoin): anchored in block 958547 (2026-07-18T12:44:05Z), 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/CACWV2399092.
    date published: 2026-07-18T12:44:05Z
  audio: Desde Muy Muchacho
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 83.434
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.569
    additional property: Energy
      type: PropertyValue
      value: 0.194
    additional property: Speechiness
      type: PropertyValue
      value: 0.137
    additional property: Acousticness
      type: PropertyValue
      value: 0.937
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.091
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.562
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.564
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Milonga Del Resero
  type: MusicRecording
  duration: PT2M47S
  duration ms: 167000
  explicit: false
  by artist: Héctor del Valle
  in album: Las Milongas De Héctor del Valle
    type: MusicAlbum
    date published: 1982
  genre: folklore argentino
  isrc code: CACWV2399089
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T03:34:43+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa14fa9575b006a88d2c45c691a20a7f2666208f5ca50a7c45aa072893073e89b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956656
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956656
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CACWV2399089
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T14:03:39Z
  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 0xa14fa9575b006a88d2c45c691a20a7f2666208f5ca50a7c45aa072893073e89b. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/CACWV2399089.
    date published: 2026-07-04T14:03:39Z
  audio: Milonga Del Resero
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 87.59
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.609
    additional property: Energy
      type: PropertyValue
      value: 0.214
    additional property: Speechiness
      type: PropertyValue
      value: 0.229
    additional property: Acousticness
      type: PropertyValue
      value: 0.948
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.11
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.647
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.093
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Pero Va Por Mal Camino
  type: MusicRecording
  duration: PT3M57S
  duration ms: 237992
  explicit: false
  by artist: Héctor del Valle
  in album: Las Milongas De Héctor del Valle
    type: MusicAlbum
    date published: 1982
  genre: folklore argentino
  isrc code: CACWV2399091
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T13:03:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa837fd24b8f18cbaf0836a0ae000d865c082b462992b6d158f1d8a36da48f8af
  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
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Pero Va Por Mal Camino
track: Con Las Peores Intenciones
track: Que Ocurrencia
track: Repechando La Tranquera

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CACWV2399091

OTSTimestamp
type: PropertyValue
value: 2026-07-05T19:27:56Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa837fd24b8f18cbaf0836a0ae000d865c082b462992b6d158f1d8a36da48f8af. 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/CACWV2399091.
date published: 2026-07-05T19:27:56Z

Pero Va Por Mal Camino
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 91.682
additional property: Musical Key
  type: PropertyValue
  value: 4
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.604
additional property: Energy
  type: PropertyValue
  value: 0.214
additional property: Speechiness
  type: PropertyValue
  value: 0.201
additional property: Acousticness
  type: PropertyValue
  value: 0.911
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.121
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.523
additional property: Loudness (dB)
  type: PropertyValue
  value: -15.88
additional property: Key Name
  type: PropertyValue
  value: E
additional property: Mode Name
  type: PropertyValue
  value: Minor

Con Las Peores Intenciones
type: MusicRecording
duration: PT3M37S
duration ms: 217457
explicit: false
by artist: Héctor del Valle
in album: Las Milongas De Héctor del Valle
  type: MusicAlbum
  date published: 1982
genre: folklore argentino
isrc code: CACWV2399090
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T18:50:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xec4df8707bf747b7cb594c3ed1c63c0df4adedfdff887a7afcef3d695cc6df3b
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/CACWV2399090
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 0xec4df8707bf747b7cb594c3ed1c63c0df4adedfdff887a7afcef3d695cc6df3b. 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/CACWV2399090.
  date published: 2026-07-17T19:49:21Z
audio: Con Las Peores Intenciones
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.673
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.304
  additional property: Acousticness
    type: PropertyValue
    value: 0.94
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Que Ocurrencia
type: MusicRecording
duration: PT2M36S
duration ms: 156740
explicit: false
by artist: Héctor del Valle
in album: Las Milongas De Héctor del Valle
  type: MusicAlbum
  date published: 1982
genre: folklore argentino
isrc code: CACWV2399082
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-07-19T18:32:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7a87e8bf51a3bca3c414dad3d57f5d44fad5ae57b269fa9ad1d06bdc015c8b9e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958770
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958770
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CACWV2399082
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T21:34:30Z
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 0x7a87e8bf51a3bca3c414dad3d57f5d44fad5ae57b269fa9ad1d06bdc015c8b9e. Chain 2 (Bitcoin): anchored in block 958770 (2026-07-19T21:34:30Z), 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/CACWV2399082.
  date published: 2026-07-19T21:34:30Z
audio: Que Ocurrencia
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.624
  additional property: Energy
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    value: 0.2
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.921
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Repechando La Tranquera
type: MusicRecording
duration: PT2M46S
duration ms: 166993
explicit: false
by artist: Héctor del Valle
in album: Las Milongas De Héctor del Valle
  type: MusicAlbum
  date published: 1982
genre: folklore argentino
isrc code: CACWV2399086
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-07-04T09:29:19+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x24e3a9932f00a020a0615da26675b476f6295ee2ef9f69a5e637cf5fa15cbcf1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956656
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956656
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CACWV2399086
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T14:03:39Z
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 0x24e3a9932f00a020a0615da26675b476f6295ee2ef9f69a5e637cf5fa15cbcf1. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/CACWV2399086.
  date published: 2026-07-04T14:03:39Z
audio: Repechando La Tranquera
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  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.591
  additional property: Energy
    type: PropertyValue
    value: 0.213
  additional property: Speechiness
    type: PropertyValue
    value: 0.389
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.075
  additional property: Valence (Positivity)
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    value: 0.608
  additional property: Loudness (dB)
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El Gaucho Martín Fierro, Pt. 2
type: MusicAlbum
date published: 1983

El Gaucho Martín Fierro (Parte 1)
type: MusicAlbum
date published: 1983

La Vuelta De Martín Fierro, Pt. 1
type: MusicAlbum
date published: 1984

Peón De Campo y Por Milonga
type: MusicAlbum
date published: 1984

La Vuelta De Martín Fierro, Pt. 2
type: MusicAlbum
date published: 1984

Solos De Guitarra
type: MusicAlbum
date published: 1984

La Vuelta De Martín Fierro, Pt. 3
type: MusicAlbum
date published: 1984

Bien Surero
type: MusicAlbum
date published: 1985

De Hacha y Punta
type: MusicAlbum
date published: 1986

Entre Milongas y Payadas
type: MusicAlbum
date published: 1987

El Sur Tambien Existe
type: MusicAlbum
date published: 1989-11-12

Soy La Milonga
type: MusicAlbum
date published: 1991

Entre Pampas y Fortines
type: MusicAlbum
date published: 1991

La Cautiva Julia Llanos y Dora Echeverría
type: MusicAlbum
date published: 1991

Entre Milicos y Tolderías
type: MusicAlbum
date published: 1992

Fortines Del Desierto
type: MusicAlbum
date published: 1992

Cuestión De Indios y La Fuga De Un Cautivo (Pt 1)
type: MusicAlbum
date published: 1993

Cuestión De Indios y La Fuga De Un Cautivo (Pt 2)
type: MusicAlbum
date published: 1993

Con La Historia Argentina
type: MusicAlbum
date published: 1995

En El Suelo Patrio
type: MusicAlbum
date published: 1998

Cosas De La Historia Chica
type: MusicAlbum
date published: 2002

Surero De Ley
type: MusicAlbum
date published: 2006-04-01
track: El Picaso Frente Blanca
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171893
  explicit: false
  by artist: Héctor del Valle
  in album: Surero De Ley
    type: MusicAlbum
    date published: 2006-04-01
  genre: folklore argentino
  isrc code: ARF220602493
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 958397
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958397
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF220602493
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T10:29:45Z
  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 0x9386a37b101d9f5d1f8138798de2d2253b0950077caedaaabecb4bef33426af8. Chain 2 (Bitcoin): anchored in block 958397 (2026-07-17T10:29:45Z), 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/ARF220602493.
    date published: 2026-07-17T10:29:45Z
  audio: El Picaso Frente Blanca
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.637
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.974
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.008
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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track: Trenzao De Seis
  type: MusicRecording
  duration: PT3M41S
  duration ms: 221120
  explicit: false
  by artist: Héctor del Valle
  in album: Surero De Ley
    type: MusicAlbum
    date published: 2006-04-01
  genre: folklore argentino
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  additional property: CopyrightStatus
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    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-07-19T07:40:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7dee3ce1527e0de5734b55375ff0e5da44ab0f8865da8fcca2352a1606738054
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958697
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958697
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ARF220602494
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T07:58:24Z
  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 0x7dee3ce1527e0de5734b55375ff0e5da44ab0f8865da8fcca2352a1606738054. Chain 2 (Bitcoin): anchored in block 958697 (2026-07-19T07:58:24Z), 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/ARF220602494.
    date published: 2026-07-19T07:58:24Z
  audio: Trenzao De Seis
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
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      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.64
    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
      value: 0.468
    additional property: Acousticness
      type: PropertyValue
      value: 0.98
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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Desde El Pasado
type: MusicAlbum
date published: 2009

Mis Relatos N°1
type: MusicAlbum
date published: 2010

"Juan Nadie" Vida y Muerte De Un Compadre Pt 1
type: MusicAlbum
date published: 2010

"Juan Nadie" Vida y Muerte De Un Compadre, Pt. 2
type: MusicAlbum
date published: 2010

Mis Relatos N°2
type: MusicAlbum
date published: 2011

Batiendo La Justa
type: MusicAlbum
date published: 2011

Mis Relatos N°4
type: MusicAlbum
date published: 2011

Mis Relatos N°3
type: MusicAlbum
date published: 2011

Contraste Social
type: MusicAlbum
date published: 2011

Mis Relatos N°5
type: MusicAlbum
date published: 2012

Mis Relatos N°6
type: MusicAlbum
date published: 2013

Sureño Soy
type: MusicAlbum
date published: 2020-01-06
track: El Overo Negro
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176313
  explicit: false
  by artist: Héctor del Valle
  in album: Sureño Soy
    type: MusicAlbum
    date published: 2020-01-06
  genre: folklore argentino
  isrc code: QZNJX2089944
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958690
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJX2089944
  additional property: OTSTimestamp
    type: PropertyValue
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  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 0x9ddac0f0a725907de9ce968957e34ffcd22e584dff1e5f605e6c346ace81623f. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/QZNJX2089944.
    date published: 2026-07-19T07:14:39Z
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Acousticness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Yo Me Crié en Bruto
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  in album: Sureño Soy
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  genre: folklore argentino
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
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  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 0x70c3dacf618676f2b0b204c22992699974bffcfeb9a4b95986e01d5abeb67073. Chain 2 (Bitcoin): anchored in block 958771 (2026-07-19T21:07:54Z), 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/QZNJX2089952.
    date published: 2026-07-19T21:07:54Z
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    date published: 2026-07-12T04:35:02Z
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OpenTimestamps Proof of Existence
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date published: 2026-07-06T01:26:17Z

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