Fredy Costa
type: MusicGroup
genre: cumbia
description: Fredy Costa (born 9 September 1980) is an Angolan-French actor, known for his roles in telenovelas such as Windeck and A Única Mulher. He was born in Luanda and raised in Paris, France. He began his
popularity: 5
followers: 52
additional property: CopyrightID
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: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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  value: 2026-06-17T08:11:48Z
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 0xc8aa6ab2c1991445401f183f343773210550366eb8c58f1c23ec71405875d9d7. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6fb73bfb-aeb5-4615-814e-9724b212b283.json and https://artists.proofprofile.net/proofs/artist/6fb73bfb-aeb5-4615-814e-9724b212b283.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xc8aa6ab2c1991445401f183f343773210550366eb8c58f1c23ec71405875d9d7","name":"Fredy Costa","registered_at":"2026-06-17T04:33:57Z","symbol":"NIM1282443","token_address":"0x2c2a6d6162cb52f895f4ae0c6b4f168bd8b1dd2e","type":"artist","uuid":"6fb73bfb-aeb5-4615-814e-9724b212b283"}
album: HOMBRE DE FAMILIA
  type: MusicAlbum
  date published: 2016-11-27
album: "Sabor"
  type: MusicAlbum
  date published: 2020-03-20
album: Amanecio lloviendo
  type: MusicAlbum
  date published: 2022-03-31
album: Monotonia
  type: MusicAlbum
  date published: 2023-07-27
  track: Monotonia
    type: MusicRecording
    duration: PT3M10S
    duration ms: 190455
    explicit: false
    by artist: Fredy Costa
    in album: Monotonia
      type: MusicAlbum
      date published: 2023-07-27
    genre: cumbia
    isrc code: QZNWX2327956
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    additional property: CopyrightStatus
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    additional property: CopyrightRegisteredAt
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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/QZNWX2327956
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T22:08:19Z
    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 0x97e29e54b02c43cd34ca3354d70bc0f1d90c1da2ee5502050f69a0e64afce2b8. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), 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/QZNWX2327956.
      date published: 2026-07-20T22:08:19Z
    audio: Monotonia
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 164.005
      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: 0.683
      additional property: Energy
        type: PropertyValue
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      additional property: Speechiness
        type: PropertyValue
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      additional property: Acousticness
        type: PropertyValue
        value: 0.076
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.227
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.89
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.602
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: MIRAME
  type: MusicAlbum
  date published: 2024-10-15
album: Mal Herido
  type: MusicAlbum
  date published: 2024-11-28
album: Si no es muy tarde
  type: MusicAlbum
  date published: 2025-07-07