Jean Bonfils
type: MusicGroup
genre: gregorian chant
description: Jean Bonfils may refer to: Jean Bonfils (bishop) (born 1930), French Roman Catholic bishop Jean Bonfils (composer) (1921–2007), French organist, music educator, musicologist and composer.
popularity: 4
followers: 12
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additional property: CopyrightChainExplorerURL
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x056cfe155b89b57052e39862cae2e260f04d69188be3612a6818b47ea302de95. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e104bf03-8c32-42d6-842e-62e810de358b.json and https://artists.proofprofile.net/proofs/artist/e104bf03-8c32-42d6-842e-62e810de358b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
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track: Nous chanterons pour toi
  type: MusicRecording
  duration: PT4M29S
  duration ms: 269840
  explicit: false
  by artist: Jean Bonfils
  by artist: Jean-Marie Belliard
  by artist: Ensemble vocal l'Alliance
  by artist: Marie Pelletier
  by artist: Jean-Laurent Crevel
  by artist: Bertrand Laguette
  in album: Les plus célèbres chants d'église, Vol. 5
    type: MusicAlbum
    date published: 1999-02-01
  isrc code: FR5M89900140
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  additional property: OTSTimestamp
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    value: 2026-07-02T03:55:08Z
  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 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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x775e7cdc8f5cbfa9985e462a6cf6924568ace03a66eb9696b23d6449fe11878f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/FR5M89900140.
    date published: 2026-07-02T03:55:08Z
  audio: Nous chanterons pour toi
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 126.978
    additional property: Musical Key
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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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    additional property: Instrumentalness
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    additional property: Liveness
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      value: 0.123
    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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      value: -23.647
    additional property: Key Name
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      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major