Leandro Santos
type: MusicGroup
genre: samba
description: Leandro Santos may refer to: Leandro Santos (footballer, born 1984), Brazilian former football goalkeeper Leandro Santos (footballer, born 2005), Portuguese football right-back for Benfica B See als
popularity: 8
followers: 161
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
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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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 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 0xa451ddeab029898fe05c041e48106421b101cc1d0abd5056808eb1b6e71c2cbc. Chain 2 (Bitcoin): anchored in block 954650 (2026-06-21T04:51:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d9e3a7ea-7c2e-49d9-adb0-d404e11d37a0.json and https://artists.proofprofile.net/proofs/artist/d9e3a7ea-7c2e-49d9-adb0-d404e11d37a0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T04:51:12Z
  text: {"copyright_id":"0xa451ddeab029898fe05c041e48106421b101cc1d0abd5056808eb1b6e71c2cbc","name":"Leandro Santos","registered_at":"2026-06-21T04:06:20Z","symbol":"NIM1814471","token_address":"0x8a44a365ac078becaf33430fd3b472c9100c1fa6","type":"artist","uuid":"d9e3a7ea-7c2e-49d9-adb0-d404e11d37a0"}
album: Mystic
  type: MusicAlbum
  date published: 2020-07-24
album: Flauta Venenosa
  type: MusicAlbum
  date published: 2020-07-29
album: Close to you
  type: MusicAlbum
  date published: 2023-02-22
track: Salve Jorge! O Guerreiro Na Fé
  type: MusicRecording
  duration: PT5M4S
  duration ms: 304146
  explicit: false
  by artist: Leandro Santos
  by artist: Dominguinhos Do Estacio
  by artist: Wander Pires
  in album: Sambas De Enredo Das Escolas De Samba - 2016
    type: MusicAlbum
    date published: 2015-11-27
  isrc code: BRGES1500012
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRGES1500012
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  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 0x110ca27ef12f73ede4990970a8e588d77aaedfe614d1e7b878c544b7fb2c6619. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/BRGES1500012.
    date published: 2026-06-13T13:32:09Z
  audio: Salve Jorge! O Guerreiro Na Fé
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 148.596
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.439
    additional property: Energy
      type: PropertyValue
      value: 0.826
    additional property: Speechiness
      type: PropertyValue
      value: 0.22
    additional property: Acousticness
      type: PropertyValue
      value: 0.592
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.238
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.837
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.018
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor