Léo Castiel
type: MusicGroup
popularity: 15
followers: 94
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbf93d57f6541df7fd92dbac56d7a31f2068f26d3126c2df9da738ea44849c5df
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953678
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953678
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6343047d-3c8e-4b1c-b728-ca6df22c53ba.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6343047d-3c8e-4b1c-b728-ca6df22c53ba.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6343047d-3c8e-4b1c-b728-ca6df22c53ba
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T19:23:11Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbf93d57f6541df7fd92dbac56d7a31f2068f26d3126c2df9da738ea44849c5df","name":"Léo Castiel","registered_at":"2026-06-14T14:53:39Z","symbol":"NIM0487672","token_address":"0x00714063f343183da53df98de4ff5bb5963cb8b2","type":"artist","uuid":"6343047d-3c8e-4b1c-b728-ca6df22c53ba"}
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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf93d57f6541df7fd92dbac56d7a31f2068f26d3126c2df9da738ea44849c5df. Chain 2 (Bitcoin): anchored in block 953697 (2026-06-14T21:49:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6343047d-3c8e-4b1c-b728-ca6df22c53ba.json and https://artists.proofprofile.net/proofs/artist/6343047d-3c8e-4b1c-b728-ca6df22c53ba.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T21:49:28Z
  text: {"copyright_id":"0xbf93d57f6541df7fd92dbac56d7a31f2068f26d3126c2df9da738ea44849c5df","name":"Léo Castiel","registered_at":"2026-06-14T14:53:39Z","symbol":"NIM0487672","token_address":"0x00714063f343183da53df98de4ff5bb5963cb8b2","type":"artist","uuid":"6343047d-3c8e-4b1c-b728-ca6df22c53ba"}
album: Même si tu pars
  type: MusicAlbum
  date published: 2025-05-10
  track: Ou je vais
    type: MusicRecording
    duration: PT3M41S
    duration ms: 221720
    explicit: true
    by artist: Léo Castiel
    in album: Même si tu pars
      type: MusicAlbum
      date published: 2025-05-10
    isrc code: TCAJQ2562132
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T23:02:48+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc410cacfdcc2000ed8b7f4af2961c5ee7e058d5baf8bd7aa6a774a636829408f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958465
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958465
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAJQ2562132
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T00:04:42Z
    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 0xc410cacfdcc2000ed8b7f4af2961c5ee7e058d5baf8bd7aa6a774a636829408f. Chain 2 (Bitcoin): anchored in block 958465 (2026-07-18T00:04:42Z), 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/TCAJQ2562132.
      date published: 2026-07-18T00:04:42Z
    audio: Ou je vais
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 129.884
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.583
      additional property: Energy
        type: PropertyValue
        value: 0.219
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.673
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.095
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.11
      additional property: Loudness (dB)
        type: PropertyValue
        value: -15.397
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: L'ombre du matin
  type: MusicAlbum
  date published: 2025-05-15
album: Je veux t'aimer encore
  type: MusicAlbum
  date published: 2025-05-16
album: Je vous garde la
  type: MusicAlbum
  date published: 2025-05-23
album: Ya du sel dans ma voix
  type: MusicAlbum
  date published: 2025-05-23
album: Pourquoi Tu Restes
  type: MusicAlbum
  date published: 2025-05-23
  track: Pourquoi tu restes
    type: MusicRecording
    duration: PT2M59S
    duration ms: 179000
    explicit: false
    by artist: Léo Castiel
    in album: Pourquoi Tu Restes
      type: MusicAlbum
      date published: 2025-05-23
    isrc code: TCAJQ2581998
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T15:28:16+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7c7d7f62e67c000c32662dab67a994d61e6f785245ca984e08b7edb9bf650ea9
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958432
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958432
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAJQ2581998
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T15:43:17Z
    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 0x7c7d7f62e67c000c32662dab67a994d61e6f785245ca984e08b7edb9bf650ea9. Chain 2 (Bitcoin): anchored in block 958432 (2026-07-17T15:43:17Z), 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/TCAJQ2581998.
      date published: 2026-07-17T15:43:17Z
    audio: Pourquoi tu restes
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 148.781
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.57
      additional property: Energy
        type: PropertyValue
        value: 0.184
      additional property: Speechiness
        type: PropertyValue
        value: 0.049
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Quand les Mots Guerissent
album: À Fleur de mots
album: À voix nue
album: Ce que les mots savent
album: L’encre des silences
album: Les mots qui pansent
album: Le murmure des pages
album: Les phrases qu’on retient
album: Les Révolvers de l’âme
album: Je t'aimais fort
album: Là-haut, au ciel
album: Par-delà les tempêtes
album: J'arrive trop tard
album: Chanter dans l’absence
album: Ce qui me fait vibrer
album: Fragments d’Éternité
album: Comme elle est belle
album: Respire encore
album: Je te quitte ce soir
album: Je suis seul au monde
album: Frisson
album: Na Na Na
album: Le soleil dans les poches
album: Tellement femme quand elle dort
album: Merci Maman
album: Mes peines
album: Il y aura demain
album: Je t'aurais choisie
album: Je fleuris avec toi

Acousticness
type: PropertyValue
value: 0.737

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.126

Valence (Positivity)
type: PropertyValue
value: 0.251

Loudness (dB)
type: PropertyValue
value: -14.038

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Minor

Quand les Mots Guerissent
type: MusicAlbum
date published: 2025-05-28

À Fleur de mots
type: MusicAlbum
date published: 2025-06-01

À voix nue
type: MusicAlbum
date published: 2025-06-01

Ce que les mots savent
type: MusicAlbum
date published: 2025-06-01

L’encre des silences
type: MusicAlbum
date published: 2025-06-02

Les mots qui pansent
type: MusicAlbum
date published: 2025-06-02

Le murmure des pages
type: MusicAlbum
date published: 2025-06-02

Les phrases qu’on retient
type: MusicAlbum
date published: 2025-06-02

Les Révolvers de l’âme
type: MusicAlbum
date published: 2025-06-17

Je t'aimais fort
type: MusicAlbum
date published: 2025-07-15

Là-haut, au ciel
type: MusicAlbum
date published: 2025-07-15

Par-delà les tempêtes
type: MusicAlbum
date published: 2025-07-24

J'arrive trop tard
type: MusicAlbum
date published: 2025-07-25

Chanter dans l’absence
type: MusicAlbum
date published: 2025-07-26

Ce qui me fait vibrer
type: MusicAlbum
date published: 2025-07-31

Fragments d’Éternité
type: MusicAlbum
date published: 2025-08-07

Comme elle est belle
type: MusicAlbum
date published: 2025-08-12

Respire encore
type: MusicAlbum
date published: 2025-08-12

Je te quitte ce soir
type: MusicAlbum
date published: 2025-08-29

Je suis seul au monde
type: MusicAlbum
date published: 2025-09-03

Frisson
type: MusicAlbum
date published: 2025-09-05

Na Na Na
type: MusicAlbum
date published: 2025-09-06

Le soleil dans les poches
type: MusicAlbum
date published: 2025-09-13

Tellement femme quand elle dort
type: MusicAlbum
date published: 2025-09-14

Merci Maman
type: MusicAlbum
date published: 2025-09-28

Mes peines
type: MusicAlbum
date published: 2025-09-28

Il y aura demain
type: MusicAlbum
date published: 2025-10-06

Je t'aurais choisie
type: MusicAlbum
date published: 2025-10-08

Je fleuris avec toi
type: MusicAlbum
date published: 2025-10-26