Verdes Anos
type: MusicGroup
genre: fado
description: The Verdes Anos fado group is a Portuguese musical group founded in 1996, known for performing and popularizing Coimbra's Fado and the Portuguese guitar. right|thumb| Verdes Anos in Sesimbra, Portugal
popularity: 18
followers: 1618
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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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  date published: 2026-06-14T18:07:12Z
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album: Verdes Anos: Coimbra Fado
  type: MusicAlbum
  date published: 2008-01-01
album: Verdes Anos: Coimbra Fado
  type: MusicAlbum
  date published: 2008-01-01
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      date published: 2008-01-01
    genre: fado
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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
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      date published: 2026-07-13T02:37:37Z
    audio: Verdes Anos
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  track: Primeira Afinacao
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    in album: Verdes Anos: Coimbra Fado
      type: MusicAlbum
      date published: 2008-01-01
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-05T01:12:41Z
    audio: Primeira Afinacao
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  track: Saudades de Coimbra
  track: Trova do Vento que Passa
  track: Balada da Despedida do 6 Ano Medico de 1958

Liveness
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value: 0.107

Valence (Positivity)
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value: 0.196

Loudness (dB)
type: PropertyValue
value: -7.833

Key Name
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value: C

Mode Name
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value: Minor

Saudades de Coimbra
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by artist: Verdes Anos
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  date published: 2008-01-01
genre: fado
isrc code: GBCKG0801139
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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
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  date published: 2026-07-05T10:59:37Z
audio: Saudades de Coimbra
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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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: Instrumentalness
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    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Trova do Vento que Passa
type: MusicRecording
duration: PT3M4S
duration ms: 184160
explicit: false
by artist: Verdes Anos
in album: Verdes Anos: Coimbra Fado
  type: MusicAlbum
  date published: 2008-01-01
genre: fado
isrc code: GBCKG0801147
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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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  date published: 2026-07-17T09:14:21Z
audio: Trova do Vento que Passa
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  additional property: Danceability
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Balada da Despedida do 6 Ano Medico de 1958
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  date published: 2008-01-01
genre: fado
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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 0xfc83e6a86c10f5ff4a71d9fb753731f11432109820eb931b6eb2fec4b8f5d5b2. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/GBCKG0801152.
  date published: 2026-07-18T12:14:37Z
audio: Balada da Despedida do 6 Ano Medico de 1958
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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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Verdes Anos: Coimbra Fado
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date published: 2008-01-01
track: Fado Hilario
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-19T07:14:39Z
  audio: Fado Hilario
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track: Cancao do Alentejo
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    date published: 2026-07-18T02:58:58Z
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date published: 2026-07-18T13:44:16Z

Traz Outro Amigo Tambem
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