Marc Hamilton
type: MusicGroup
genre: chanson
description: Marc Hamilton (2 February 1944 – 17 February 2022) was a Canadian singer best known for his 1970 single "Comme j'ai toujours envie d'aimer". Beginnings In 1963, at the age of 19, and the height of Th
popularity: 26
followers: 2534
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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
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  date published: 2026-06-12T19:24:56Z
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album: Marc Hamilton
  type: MusicAlbum
  date published: 1970-01-01
album: Comme j'ai toujours envie d'aimer
  type: MusicAlbum
  date published: 1970-01-01
album: Comme J'ai Toujours Envie D'aimer
  type: MusicAlbum
  date published: 1970-08-30
album: Au fond des choses
  type: MusicAlbum
  date published: 1971-01-01
album: Peau de femme
  type: MusicAlbum
  date published: 1981-01-01
album: J'ai un rendez-vous d'amour
  type: MusicAlbum
  date published: 1987-01-01
  track: Qui es-tu - Version remasterisée
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    by artist: Marc Hamilton
    in album: J'ai un rendez-vous d'amour
      type: MusicAlbum
      date published: 1987-01-01
    genre: chanson
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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 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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      date published: 2026-07-18T01:26:56Z
    audio: Qui es-tu - Version remasterisée
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      additional property: Danceability
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      additional property: Acousticness
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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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        value: -18.47
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album: Comme j'ai toujours envie d'aimer
  type: MusicAlbum
  date published: 2001
album: Comme j'ai toujours envie d'aimer
  type: MusicAlbum
  date published: 2001-01-22
track: Comme J'ai Toujours Envie D'aimer
  type: MusicRecording
  duration: PT3M24S
  duration ms: 204016
  explicit: false
  by artist: Marc Hamilton
  in album: Les chanteurs romantiques, Volume 2
    type: MusicAlbum
    date published: 2021-11-19
  isrc code: CAK922101901
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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 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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    date published: 2026-06-13T15:41:10Z
  audio: Comme J'ai Toujours Envie D'aimer
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Time Signature
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value: 5

Danceability
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Energy
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Speechiness
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Acousticness
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Instrumentalness
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Liveness
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Valence (Positivity)
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value: 0.742

Loudness (dB)
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value: -11.553

Key Name
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value: Ab

Mode Name
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