Mario Cavagnaro
type: MusicGroup
genre: bolero
popularity: 18
followers: 1609
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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 0x4966b2ad0aeb0dbf1b28fb9567ecc77aa3a7425768d90f1b0eadd10c189c9653. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/44ac9cdb-ea56-4fcc-b37b-fc5f6692fcd8.json and https://artists.proofprofile.net/proofs/artist/44ac9cdb-ea56-4fcc-b37b-fc5f6692fcd8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T15:20:52Z
  text: {"copyright_id":"0x4966b2ad0aeb0dbf1b28fb9567ecc77aa3a7425768d90f1b0eadd10c189c9653","name":"Mario Cavagnaro","registered_at":"2026-06-14T11:45:33Z","symbol":"NIM0442771","token_address":"0x4f26d77d6aa5f30f66c0d985e6a868fc774f211d","type":"artist","uuid":"44ac9cdb-ea56-4fcc-b37b-fc5f6692fcd8"}
album: Las Mejores Cumbias Vol. 1
  type: MusicAlbum
  date published: 1970
album: 25 Años Musicales
  type: MusicAlbum
  date published: 1975-01-01
album: Mario Cavagnaro In Memoriam (1926 - 1998)
  type: MusicAlbum
  date published: 1996
  track: Carretas Aquí Es El Tono
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    duration: PT2M50S
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    explicit: false
    by artist: Mario Cavagnaro
    in album: Mario Cavagnaro In Memoriam (1926 - 1998)
      type: MusicAlbum
      date published: 1996
    genre: bolero
    isrc code: USRAR1001083
    additional property: CopyrightID
    additional property: CopyrightStatus
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRAR1001083
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T10:01:46Z
    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 0xb93e04a25d6af4162c9229622f6e404ec7b9acd98775e2b593a303cbf55e45ea. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/USRAR1001083.
      date published: 2026-07-05T10:01:46Z
    audio: Carretas Aquí Es El Tono
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      additional property: Tempo (BPM)
        type: PropertyValue
        value: 102.716
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.587
      additional property: Energy
        type: PropertyValue
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      additional property: Speechiness
        type: PropertyValue
        value: 0.043
      additional property: Acousticness
        type: PropertyValue
        value: 0.845
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.019
      additional property: Liveness
        type: PropertyValue
        value: 0.185
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.91
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.485
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Cántame Ese Vals / Yo La Quería Patita
    type: MusicRecording
    duration: PT4M8S
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    explicit: false
    by artist: Mario Cavagnaro
    in album: Mario Cavagnaro In Memoriam (1926 - 1998)
      type: MusicAlbum
      date published: 1996
    genre: bolero
    isrc code: USRAR1001115
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    additional property: CopyrightStatus
      type: PropertyValue
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    additional property: OTSHash
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    additional property: OTSBitcoinBlockVerifyURL
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRAR1001115
    additional property: OTSTimestamp
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      value: 2026-07-05T04:47:21Z
    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 0x3277d67763eca89a466fb61e4a46be0fedaf5642ac13a20f23723628a797a88e. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/USRAR1001115.
      date published: 2026-07-05T04:47:21Z
    audio: Cántame Ese Vals / Yo La Quería Patita
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
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        type: PropertyValue
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        type: PropertyValue
        value: 1
      additional property: Time Signature
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        value: 3
      additional property: Danceability
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      additional property: Energy
        type: PropertyValue
        value: 0.591
      additional property: Speechiness
        type: PropertyValue
        value: 0.035
      additional property: Acousticness
        type: PropertyValue
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      additional property: Instrumentalness
        type: PropertyValue
        value: 0.053
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Sonora Sensacion De Mario Cavagnaro (1960)
track: Historia de mi vida (vals)

Historia de mi vida (vals)
type: MusicRecording
duration: PT2M50S
duration ms: 170396
explicit: false
by artist: Julio Jaramillo
by artist: Mario Cavagnaro
in album: Historia de una ingrata
  type: MusicAlbum
  date published: 2018-05-10
isrc code: CA5KR1810556
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KR1810556
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
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f4dd564eceff9ad8aa38289bcca6354efcf8f8d04f2672e3b31c6fae2c2b777. 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/CA5KR1810556.
  date published: 2026-07-08T03:22:41Z
audio: Historia de mi vida (vals)
  type: AudioObject
  additional property: Tempo (BPM)
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    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.129
  additional property: Acousticness
    type: PropertyValue
    value: 0.919
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.069
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.833
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.504
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Liveness
type: PropertyValue
value: 0.191

Valence (Positivity)
type: PropertyValue
value: 0.46

Loudness (dB)
type: PropertyValue
value: -8.159

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Major

Mario Cavagnaro In Memoriam (1926 - 1998)
type: MusicAlbum
date published: 1996

Sonora Sensacion De Mario Cavagnaro (1960)
type: MusicAlbum
date published: 2024-09-03