Marie-Céline Labbé
type: MusicGroup
genre: chamber music
popularity: 6
followers: 46
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa38e231c9b7e5919d1785e0640b98520346df48fb1d199e666a477c577f736db
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953975
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953975
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2b2645e2-3311-4bfb-b9e0-f4873982fff0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2b2645e2-3311-4bfb-b9e0-f4873982fff0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2b2645e2-3311-4bfb-b9e0-f4873982fff0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T16:53:41Z
additional property: OTSCanonicalRecord
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  value: {"copyright_id":"0xa38e231c9b7e5919d1785e0640b98520346df48fb1d199e666a477c577f736db","name":"Marie-Céline Labbé","registered_at":"2026-06-16T04:40:00Z","symbol":"NIM0940247","token_address":"0xfdd23c682fb0c0c33b86d42c11d53b26dcde88b3","type":"artist","uuid":"2b2645e2-3311-4bfb-b9e0-f4873982fff0"}
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 0xa38e231c9b7e5919d1785e0640b98520346df48fb1d199e666a477c577f736db. Chain 2 (Bitcoin): anchored in block 953976 (2026-06-16T16:55:36Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2b2645e2-3311-4bfb-b9e0-f4873982fff0.json and https://artists.proofprofile.net/proofs/artist/2b2645e2-3311-4bfb-b9e0-f4873982fff0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T16:55:36Z
  text: {"copyright_id":"0xa38e231c9b7e5919d1785e0640b98520346df48fb1d199e666a477c577f736db","name":"Marie-Céline Labbé","registered_at":"2026-06-16T04:40:00Z","symbol":"NIM0940247","token_address":"0xfdd23c682fb0c0c33b86d42c11d53b26dcde88b3","type":"artist","uuid":"2b2645e2-3311-4bfb-b9e0-f4873982fff0"}
album: Fil d'argent, fil d'or
  type: MusicAlbum
  date published: 2015-09-08
track: Fra pensieri quel pensiero: Aria: Fra pensieri quel pensiero
track: Irene, idolo mio: Aria: Tormento maggiore
track: Sonata In D Major For Flute And Continuo, HWV 378: IV. Allegro

Fra pensieri quel pensiero: Aria: Fra pensieri quel pensiero
type: MusicRecording
duration: PT2M31S
duration ms: 151413
explicit: false
by artist: George Frideric Handel
by artist: Marie-Nicole Lemieux
by artist: Luc Beauséjour
by artist: Marie-Céline Labbé
by artist: Amanda Keesmaat
in album: Handel: Italian Cantatas and Other Works
  type: MusicAlbum
  date published: 2005-12-06
popularity: 5
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: USA370524155
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T11:02:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb23e6e2795ace0b7b33724cfef0370beb3dc39e62be4b6ffee7ef0df99b9c6b2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA370524155
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
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
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957073
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-07T18:39:05+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb23e6e2795ace0b7b33724cfef0370beb3dc39e62be4b6ffee7ef0df99b9c6b2. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/USA370524155.
  date published: 2026-07-07T18:39:05Z
audio: Fra pensieri quel pensiero: Aria: Fra pensieri quel pensiero
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.76
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.468
  additional property: Energy
    type: PropertyValue
    value: 0.119
  additional property: Speechiness
    type: PropertyValue
    value: 0.061
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.213
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.489
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.662
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Irene, idolo mio: Aria: Tormento maggiore
type: MusicRecording
duration: PT4M32S
duration ms: 272573
explicit: false
by artist: George Frideric Handel
by artist: Marie-Nicole Lemieux
by artist: Luc Beauséjour
by artist: Marie-Céline Labbé
by artist: Amanda Keesmaat
in album: Handel: Italian Cantatas and Other Works
  type: MusicAlbum
  date published: 2005-12-06
popularity: 6
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x663df56fbed1ed0bf61726e4082cfc179d8c78d69e4f96bf3b9c8154a6f9c9c4. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/USA370524139.
  date published: 2026-07-29T11:07:37Z
audio: Irene, idolo mio: Aria: Tormento maggiore
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.217
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.327
  additional property: Energy
    type: PropertyValue
    value: 0.049
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.126
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.565
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USA370524139
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960095
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T11:07:37+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA370524139
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960095
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960095
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T11:07:37+00:00
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

Sonata In D Major For Flute And Continuo, HWV 378: IV. Allegro
type: MusicRecording
duration: PT1M57S
duration ms: 117933
explicit: false
by artist: George Frideric Handel
by artist: Luc Beauséjour
by artist: Marie-Céline Labbé
by artist: Amanda Keesmaat
in album: Handel: Italian Cantatas and Other Works
  type: MusicAlbum
  date published: 2005-12-06
popularity: 5
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29ba42b694b5823f42b85a74f35380799fd401458a8c412ae5725af7af561f22. Chain 2 (Bitcoin): anchored in block 960179 (2026-07-30T00:39:11Z), 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/USA370524147.
  date published: 2026-07-30T00:39:11Z
audio: Sonata In D Major For Flute And Continuo, HWV 378: IV. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.079
  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
    type: PropertyValue
    value: 0.393
  additional property: Energy
    type: PropertyValue
    value: 0.038
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.948
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.869
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.819
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.348
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: USA370524147
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960179
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T00:39:11+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA370524147
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960179
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960179
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T00:39:11+00:00
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