Fernando Zambrano
type: MusicGroup
genre: flamenco
description: Fernando Bonifacio Zambrano Sánchez (born 23 October 1949) is a Spanish retired footballer who played as a midfielder, and a current manager. Career Born in El Saucejo, Seville, Andalusia, Zambrano r
popularity: 2
followers: 10
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xa3df3238587cd3bfbf9e10d08d617d43576ae2ff0c8895ab54ca0b3bf5aed29d
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5a05cc37-4385-4f16-a160-cd6a3e9d3fe4.ots
additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/5a05cc37-4385-4f16-a160-cd6a3e9d3fe4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5a05cc37-4385-4f16-a160-cd6a3e9d3fe4
additional property: OTSTimestamp
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  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
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  value: {"copyright_id":"0xa3df3238587cd3bfbf9e10d08d617d43576ae2ff0c8895ab54ca0b3bf5aed29d","name":"Fernando Zambrano","registered_at":"2026-06-16T20:56:48Z","symbol":"NIM1173366","token_address":"0xa243569a6b10586bec13015d75f07ca1cc9af896","type":"artist","uuid":"5a05cc37-4385-4f16-a160-cd6a3e9d3fe4"}
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 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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  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3df3238587cd3bfbf9e10d08d617d43576ae2ff0c8895ab54ca0b3bf5aed29d. 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/5a05cc37-4385-4f16-a160-cd6a3e9d3fe4.json and https://artists.proofprofile.net/proofs/artist/5a05cc37-4385-4f16-a160-cd6a3e9d3fe4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xa3df3238587cd3bfbf9e10d08d617d43576ae2ff0c8895ab54ca0b3bf5aed29d","name":"Fernando Zambrano","registered_at":"2026-06-16T20:56:48Z","symbol":"NIM1173366","token_address":"0xa243569a6b10586bec13015d75f07ca1cc9af896","type":"artist","uuid":"5a05cc37-4385-4f16-a160-cd6a3e9d3fe4"}
album: Mañanitas de Niebla
  type: MusicAlbum
  date published: 2004
  track: Rocío de la Mañana
    type: MusicRecording
    duration: PT3M35S
    duration ms: 215093
    explicit: false
    by artist: Fernando Zambrano
    in album: Mañanitas de Niebla
      type: MusicAlbum
      date published: 2004
    genre: flamenco
    isrc code: ES5301355491
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    additional property: OTSVerificationAPI
      type: PropertyValue
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T02:49:15Z
    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 0x625822ca6712746017daf3e5e998407369438e3f6768601e1980349c92d05fb4. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T02:49:15Z), 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/ES5301355491.
      date published: 2026-07-20T02:49:15Z
    audio: Rocío de la Mañana
      type: AudioObject
      additional property: Tempo (BPM)
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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
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      additional property: Danceability
        type: PropertyValue
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      additional property: Energy
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      additional property: Speechiness
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      additional property: Acousticness
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      additional property: Instrumentalness
        type: PropertyValue
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      additional property: Liveness
        type: PropertyValue
        value: 0.232
      additional property: Valence (Positivity)
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        value: 0.87
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.255
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major