Anabela
type: MusicGroup
genre: fado
popularity: 7
followers: 638
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5eacf425a54af41392fdf936d0a38bca4a32ba7dfef8c3c170926a244d395c4c
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/953970
additional property: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/2a1b8469-d11a-4212-8f5d-2f86d127adfa.ots
additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/2a1b8469-d11a-4212-8f5d-2f86d127adfa.json
additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSCanonicalRecord
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 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 0x5eacf425a54af41392fdf936d0a38bca4a32ba7dfef8c3c170926a244d395c4c. Chain 2 (Bitcoin): anchored in block 953970 (2026-06-16T16:09:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2a1b8469-d11a-4212-8f5d-2f86d127adfa.json and https://artists.proofprofile.net/proofs/artist/2a1b8469-d11a-4212-8f5d-2f86d127adfa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T16:09:39Z
album: Origens
  type: MusicAlbum
  date published: 1998-08-01
album: Nós
  type: MusicAlbum
  date published: 2010-06-28
album: Nós (Deluxe Version)
  type: MusicAlbum
  date published: 2010-06-28
album: Casa Alegre
  type: MusicAlbum
  date published: 2015-02-23
album: Balada Das Estrelas
  type: MusicAlbum
  date published: 2018-11-02
album: O Meu Mundo Bom
  type: MusicAlbum
  date published: 2021-09-04
album: Zabranjeno
  type: MusicAlbum
  date published: 2024-10-09
track: Balada Para os Nossos Filhos
  type: MusicRecording
  duration: PT3M41S
  duration ms: 221733
  explicit: false
  by artist: Fernando Tordo
  by artist: Anabela
  in album: Duetos - Diz-me Com Quem Cantas
    type: MusicAlbum
    date published: 2019-03-22
  isrc code: PT8HR1900005
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PT8HR1900005
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T00:26:26Z
  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 0xcfa31785e800fdee0852755cb7fa0a9eb0ceaf8e64cc6e51e221fb361f71f5b4. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/PT8HR1900005.
    date published: 2026-07-31T00:26:26Z
  audio: Balada Para os Nossos Filhos
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
      type: PropertyValue
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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
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.65
    additional property: Key Name
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      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor