Cândido Costa
type: MusicGroup
description: Cândido Alves Moreira da Costa (born 30 April 1981) is a Portuguese former professional footballer who played as a right winger or right-back. He achieved Primeira Liga totals of 162 games and four g
popularity: 3
followers: 327
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additional property: CopyrightChainExplorerURL
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a3a8fa3026298cdad8fb5393629c85a5ef2c253afbaf0ea624a7f17112fb0a1. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fcbd6ba8-3cdc-4318-bd02-313c19fbafde.json and https://artists.proofprofile.net/proofs/artist/fcbd6ba8-3cdc-4318-bd02-313c19fbafde.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
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album: Atira-te ao Caldinho
  type: MusicAlbum
  date published: 2024-06-03
  track: Atira-te ao Caldinho
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    duration ms: 134117
    explicit: false
    by artist: Cândido Costa
    in album: Atira-te ao Caldinho
      type: MusicAlbum
      date published: 2024-06-03
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    additional property: OTSTimestamp
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    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 0xb173ef72f6ed5c24e2f60f42e5537a80e4221de4a48ce0532003b0f14683397c. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/QZMER2411627.
      date published: 2026-07-04T14:03:39Z
    audio: Atira-te ao Caldinho
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Mode (Major/Minor)
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      additional property: Danceability
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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
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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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        value: D
      additional property: Mode Name
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