Jean Guidoni
type: MusicGroup
genre: chanson
genre: europop
genre: french pop
description: Jean Guidoni (3 May 1951 – 21 November 2025) was a French singer and songwriter. Music career Jean Guidoni started recording in 1975, and in 1977, recorded his first album with a song written by Jacq
popularity: 8
followers: 1551
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/954346
additional property: OTSProofURL
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90e7e8185b735d320f30500e1881b33c04fdd70f1176e95b4802fee156bf3ec4. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/975ff7f1-3513-4e5b-bf10-cd8cdac2910e.json and https://artists.proofprofile.net/proofs/artist/975ff7f1-3513-4e5b-bf10-cd8cdac2910e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
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album: Crime Passionnel
  type: MusicAlbum
  date published: 1983
album: Tous Des Putains
  type: MusicAlbum
  date published: 1985-01-01
album: Fin de siècle, Vol. 1
  type: MusicAlbum
  date published: 1999-01-01
album: Fin de Siècle Vol. 2
  type: MusicAlbum
  date published: 2000
album: Scènes de vie
  type: MusicAlbum
  date published: 2002
album: Trapèze
  type: MusicAlbum
  date published: 2004-10-04
album: La Pointe Rouge
  type: MusicAlbum
  date published: 2007-04-09
album: Fin de siècle: l'intégrale
  type: MusicAlbum
  date published: 2008-09-01
album: Etranges étrangers
  type: MusicAlbum
  date published: 2008-11-17
album: Paris - Milan
  type: MusicAlbum
  date published: 2014-10-13
album: Légendes urbaines
  type: MusicAlbum
  date published: 2017-04-07
album: Paris je suis en vie
  type: MusicAlbum
  date published: 2022-03-04
album: Avec des si
  type: MusicAlbum
  date published: 2022-03-25
album: Olympia 81
  type: MusicAlbum
  date published: 2025-02-28
album: Eldorado(s)
  type: MusicAlbum
  date published: 2025-04-18
track: Le masque
track: J'ai peur

Le masque
type: MusicRecording
duration: PT3M28S
duration ms: 208333
explicit: false
by artist: Jean Guidoni
in album: Hier & demain
  type: MusicAlbum
  date published: 2022-04-01
isrc code: FRS489580060
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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
additional property: ProofProfileEvidenceStatus
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x861130d74726f0843ef6c08f1e2b3815bb6af51908b206d0ffe6fa7e436315ee. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FRS489580060.
  date published: 2026-07-08T03:20:19Z
audio: Le masque
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.694
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.112
  additional property: Acousticness
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  additional property: Instrumentalness
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    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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    value: 0.696
  additional property: Loudness (dB)
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  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
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J'ai peur
type: MusicRecording
duration: PT3M54S
duration ms: 234000
explicit: false
by artist: Jean Guidoni
in album: Chez Leprest, Vol. 1
  type: MusicAlbum
  date published: 2007-05-12
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6522f52d8c456da94a2043b7685e24130608debe8caea107e64848a9fa8e8456. 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/FR5P50700380.
  date published: 2026-07-31T00:26:26Z
audio: J'ai peur
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  additional property: Danceability
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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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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.422
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FR5P50700380
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
  type: PropertyValue
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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 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