Eduardo Ferreira
type: MusicGroup
description: Eduardo Soares Ferreira (born October 8, 1983) is a professional footballer who plays as a centre-back. Born in Brazil, he played for the Equatorial Guinea national team. Club career After a stint wi
popularity: 4
followers: 52
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ae26af8a8993ab7c35a7605def35dd08676a0ed2741779d097370193efa1158. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b131605e-e91c-48e7-ae0b-0e54497373b4.json and https://artists.proofprofile.net/proofs/artist/b131605e-e91c-48e7-ae0b-0e54497373b4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x5ae26af8a8993ab7c35a7605def35dd08676a0ed2741779d097370193efa1158","name":"Eduardo Ferreira","registered_at":"2026-06-20T12:36:03Z","symbol":"NIM1612893","token_address":"0x1a2369adc8b82711a2d5136a796f0b6bb28771fc","type":"artist","uuid":"b131605e-e91c-48e7-ae0b-0e54497373b4"}
album: Ecleticamente
  type: MusicAlbum
  date published: 2011-10-07
album: A Três
  type: MusicAlbum
  date published: 2019-01-30
album: Eu Te Amo Jesus
  type: MusicAlbum
  date published: 2024-11-15
  track: Eu Te Amo Jesus
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    by artist: Eduardo Ferreira
    in album: Eu Te Amo Jesus
      type: MusicAlbum
      date published: 2024-11-15
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    additional property: OTSTimestamp
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    additional property: OTSVerifyInstructions
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      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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3f4a2a156083ffaa2ce2512aac2d4601f8610084ad223a23f5b914a76f852ee. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/BK5OD2400001.
      date published: 2026-07-16T22:37:47Z
    audio: Eu Te Amo Jesus
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Danceability
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      additional property: Speechiness
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      additional property: Acousticness
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      additional property: Instrumentalness
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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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      additional property: Key Name
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