Carlos Vieco Ortiz
type: MusicGroup
description: 250px|thumbnail|right|Carlos Vieco Ortiz Carlos Vieco Ortiz (March 4, 1904 - September 13, 1979) was a musician and composer from Medellín, Colombia.Carlos Vieco Ortiz Revised october 11, 2012 The op
popularity: 2
followers: 66
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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  value: 2026-06-20T19:46:01Z
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additional property: OTSVerifyInstructions
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  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f722c55d6116aa18ba71425fcafadcc4a03b93a9c26de99df8f33f09756442e. Chain 2 (Bitcoin): anchored in block 954593 (2026-06-20T19:46:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/be18268d-7820-4701-93c2-9f39e06d5eb3.json and https://artists.proofprofile.net/proofs/artist/be18268d-7820-4701-93c2-9f39e06d5eb3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T19:46:01Z
  text: {"copyright_id":"0x9f722c55d6116aa18ba71425fcafadcc4a03b93a9c26de99df8f33f09756442e","name":"Carlos Vieco Ortiz","registered_at":"2026-06-20T18:12:37Z","symbol":"NIM1676072","token_address":"0x49e86c88e0b3b6883861969cd4162825226b885d","type":"artist","uuid":"be18268d-7820-4701-93c2-9f39e06d5eb3"}
track: Hacia el Calvario
  type: MusicRecording
  duration: PT2M41S
  duration ms: 161346
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  by artist: Alfonso Ortiz Tirado
  by artist: El Conjunto Amerindia
  by artist: Carlos Vieco Ortiz
  in album: El Cancionero de Hispanoamérica en la Voz del Dr. Alfonso Ortiz Tirado
    type: MusicAlbum
    date published: 1979-07-03
  genre: bolero
  isrc code: QM4TX1614242
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    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TX1614242
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-29T21:09:47Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x164b46492edee382050f8fa90dfb4ceb7b85a085cddb8b4aecad73ac10cfe91d. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/QM4TX1614242.
    date published: 2026-07-29T21:09:47Z
  audio: Hacia el Calvario
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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      value: 0.393
    additional property: Speechiness
      type: PropertyValue
      value: 0.054
    additional property: Acousticness
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      value: 0.957
    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
      value: 0.124
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.592
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.042
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Plegaria
  type: MusicRecording
  duration: PT3M0S
  duration ms: 180066
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  by artist: Alfonso Ortiz Tirado
  by artist: Carlos Vieco Ortiz
  in album: El Cancionero de Hispanoamérica en la Voz del Dr. Alfonso Ortiz Tirado
    type: MusicAlbum
    date published: 1979-07-03
  genre: bolero
  isrc code: QM4TX1614248
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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    value: 2026-07-30T04:47:22Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcabe093893500ccb5af53a7fae43854616e2ab1d99cccafd11c32d35a6ce197f. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/QM4TX1614248.
    date published: 2026-07-30T04:47:22Z
  audio: Plegaria
    type: AudioObject
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    additional property: Mode (Major/Minor)
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      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
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      value: 0.568
    additional property: Energy
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      value: 0.325
    additional property: Speechiness
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      value: 0.069
    additional property: Acousticness
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      value: 0.928
    additional property: Instrumentalness
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      value: 0.004
    additional property: Liveness
      type: PropertyValue
      value: 0.179
    additional property: Valence (Positivity)
    additional property: Loudness (dB)
    additional property: Key Name
    additional property: Mode Name

Valence (Positivity)
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value: 0.628

Loudness (dB)
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value: -16.167

Key Name
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value: Eb

Mode Name
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value: Minor