Jérôme Echenoz
type: MusicGroup
genre: french indie pop
genre: french pop
popularity: 13
followers: 1887
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additional property: OTSBitcoinBlock
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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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 0x87cb901b80a2c5ab8e16de85c7d85dd04702bcfdf5c4ea9529a66b7e66a1f4df. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7a93d491-e83a-4fa3-aa79-2397f1b66ce4.json and https://artists.proofprofile.net/proofs/artist/7a93d491-e83a-4fa3-aa79-2397f1b66ce4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:47:56Z
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album: Le chrome et le coton
  type: MusicAlbum
  date published: 2012
album: Le chrome et le coton
  type: MusicAlbum
  date published: 2012
album: Le chrome et le coton - EP
  type: MusicAlbum
  date published: 2012-10-01
album: Le chrome et le coton (Edition augmentée)
  type: MusicAlbum
  date published: 2013-04-29
  track: Le chrome et le coton (Lafayette Remix)
    type: MusicRecording
    duration: PT4M28S
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    by artist: Jérôme Echenoz
    in album: Le chrome et le coton (Edition augmentée)
      type: MusicAlbum
      date published: 2013-04-29
    genre: french indie pop
    genre: french pop
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T07:54:29Z
    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
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcaf77bf2e9a7e9ed7a5d72e8cb17e970cb07d5f0b1fb643950bb7e489e88a4cf. Chain 2 (Bitcoin): anchored in block 958517 (2026-07-18T07:54:29Z), 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/FR9W11215479.
      date published: 2026-07-18T07:54:29Z
    audio: Le chrome et le coton (Lafayette Remix)
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      additional property: Time Signature
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      additional property: Danceability
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      additional property: Energy
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      additional property: Speechiness
        type: PropertyValue
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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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  track: Que vais-je en faire ? (Pendentif Remix)
    type: MusicRecording
    duration: PT3M25S
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    by artist: Jérôme Echenoz
    in album: Le chrome et le coton (Edition augmentée)
      type: MusicAlbum
      date published: 2013-04-29
    genre: french indie pop
    genre: french pop
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
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      value: 2026-07-04T11:19:20Z
    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
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca524e5701576b9bb34abd4ce02d65122074d13f78a67906e1ac2aeb4db7e287. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/FR9W11215480.
      date published: 2026-07-04T11:19:20Z
    audio: Que vais-je en faire ? (Pendentif Remix)
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Mode (Major/Minor)
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        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
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      additional property: Speechiness
        type: PropertyValue
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      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
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album: The Columbine Tapes
album: ONI (Bande originale du film)
track: Le chrome et le coton - English Version (Lafayette Remix 2015)

Acousticness
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value: 0.037

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.2

Valence (Positivity)
type: PropertyValue
value: 0.828

Loudness (dB)
type: PropertyValue
value: -6.08

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Minor

Le chrome et le coton (Edition augmentée)
type: MusicAlbum
date published: 2013-04-29

Le chrome et le coton (Edition augmentée)
type: MusicAlbum
date published: 2013-04-29

Le chrome et le coton
type: MusicAlbum
date published: 2015-10-06
track: Le chrome et le coton - Lafayette Remix
  type: MusicRecording
  duration: PT4M28S
  duration ms: 268651
  explicit: false
  by artist: Jérôme Echenoz
  in album: Le chrome et le coton
    type: MusicAlbum
    date published: 2015-10-06
  genre: french indie pop
  genre: french pop
  isrc code: FR9W11215479
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
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    value: 2026-07-14T23:38:47+00:00
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T02:55:47Z
  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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcaf77bf2e9a7e9ed7a5d72e8cb17e970cb07d5f0b1fb643950bb7e489e88a4cf. Chain 2 (Bitcoin): anchored in block 958086 (2026-07-15T02:55:47Z), 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/FR9W11215479.
    date published: 2026-07-15T02:55:47Z
  audio: Le chrome et le coton - Lafayette Remix
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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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
      type: PropertyValue
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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: Liveness
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track: Le chrome et le coton - Lafayette Remix 2015 (English Version)
  type: MusicRecording
  duration: PT3M44S
  duration ms: 224106
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  by artist: Jérôme Echenoz
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    type: MusicAlbum
    date published: 2015-10-06
  genre: french indie pop
  genre: french pop
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb648139392dfc5594217e3126cf3710995080b5b0a6d921598cfe2db43160e0a. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/FRPI61500580.
    date published: 2026-07-05T10:01:46Z
  audio: Le chrome et le coton - Lafayette Remix 2015 (English Version)
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      type: PropertyValue
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    additional property: Speechiness
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The Columbine Tapes
type: MusicAlbum
date published: 2017-01-20

ONI (Bande originale du film)
type: MusicAlbum
date published: 2025-02-21

Le chrome et le coton - English Version (Lafayette Remix 2015)
type: MusicRecording
duration: PT3M44S
duration ms: 224051
explicit: false
by artist: Jérôme Echenoz
by artist: Lafayette
in album: Année 3
  type: MusicAlbum
  date published: 2016-01-15
isrc code: FRPI61500580
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb648139392dfc5594217e3126cf3710995080b5b0a6d921598cfe2db43160e0a. 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/FRPI61500580.
  date published: 2026-07-02T03:55:08Z
audio: Le chrome et le coton - English Version (Lafayette Remix 2015)
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