Francisco Chavez
type: MusicGroup
description: Francisco "Frank" Chavez (6 February 1947 – 11 September 2013) was a Filipino lawyer. He was the Solicitor General of the Philippines during the Aquino administration. Early life Born as Francisco Ib
popularity: 28
followers: 355
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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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  date published: 2026-06-12T19:24:56Z
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album: El Bruc
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  date published: 2021-03-09
album: Way Harder Than I Thought
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  date published: 2021-04-23
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    by artist: Francisco Chavez
    in album: Way Harder Than I Thought
      type: MusicAlbum
      date published: 2021-04-23
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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: 2026-07-19T22:44:34Z
    audio: Way Harder Than I Thought
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album: Aquarela da Vida
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  date published: 2021-08-27
album: When You Touch My Hand
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  date published: 2022-02-18
album: Don't Save Me Yet
  type: MusicAlbum
  date published: 2022-04-15
album: Búsqueda De Sentido
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  date published: 2022-09-23
  track: Búsqueda De Sentido
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      type: MusicAlbum
      date published: 2022-09-23
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-18T11:58:44Z
    audio: Búsqueda De Sentido
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      additional property: Valence (Positivity)
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album: Is It Worth The Sacrifice
album: Demelza
album: Sorry Seems To Be The Hardest Word
album: Have Faith In What Will Be
album: No Longer Two but One
album: ¿Me Concederías este Baile?
album: Aún Queda Esperanza

Speechiness
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value: 0.097

Acousticness
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Instrumentalness
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Liveness
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Valence (Positivity)
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value: 0.379

Loudness (dB)
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Mode Name
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Is It Worth The Sacrifice
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date published: 2022-11-18

Demelza
type: MusicAlbum
date published: 2023-03-03

Sorry Seems To Be The Hardest Word
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date published: 2023-06-09
track: Sorry Seems To Be The Hardest Word
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  duration ms: 201490
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    date published: 2023-06-09
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  additional property: OTSTimestamp
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    value: 2026-07-05T19:27:56Z
  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 0xa8c53b97cc1cc3d9b4afa1dbdc1288cce739524ef7b131b7a8b0a6532ca8069f. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/SE5W32307311.
    date published: 2026-07-05T19:27:56Z
  audio: Sorry Seems To Be The Hardest Word
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    additional property: Time Signature
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    additional property: Danceability
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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)
      type: PropertyValue
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    additional property: Key Name
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Have Faith In What Will Be
type: MusicAlbum
date published: 2023-10-20

No Longer Two but One
type: MusicAlbum
date published: 2024-03-29

¿Me Concederías este Baile?
type: MusicAlbum
date published: 2024-06-28

Aún Queda Esperanza
type: MusicAlbum
date published: 2025-04-04