Leonie Carter
type: MusicGroup
genre: neoclassical
popularity: 9
followers: 8
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb540a1dd5e0cb8f95252e18978a2eaf1d987615a69f27de53c5773815c0140c5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954346
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954346
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/947d46b4-140f-4358-a2f1-0864b2cede16.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/947d46b4-140f-4358-a2f1-0864b2cede16.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/947d46b4-140f-4358-a2f1-0864b2cede16
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:51:26Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb540a1dd5e0cb8f95252e18978a2eaf1d987615a69f27de53c5773815c0140c5","name":"Leonie Carter","registered_at":"2026-06-17T17:27:32Z","symbol":"NIM1466894","token_address":"0x9c70a342a6a08e48f5267a4885a4f4eb5861f26c","type":"artist","uuid":"947d46b4-140f-4358-a2f1-0864b2cede16"}
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 0xb540a1dd5e0cb8f95252e18978a2eaf1d987615a69f27de53c5773815c0140c5. 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/947d46b4-140f-4358-a2f1-0864b2cede16.json and https://artists.proofprofile.net/proofs/artist/947d46b4-140f-4358-a2f1-0864b2cede16.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
  text: {"copyright_id":"0xb540a1dd5e0cb8f95252e18978a2eaf1d987615a69f27de53c5773815c0140c5","name":"Leonie Carter","registered_at":"2026-06-17T17:27:32Z","symbol":"NIM1466894","token_address":"0x9c70a342a6a08e48f5267a4885a4f4eb5861f26c","type":"artist","uuid":"947d46b4-140f-4358-a2f1-0864b2cede16"}
album: Pop Classics on Piano
  type: MusicAlbum
  date published: 2025-01-10
  track: Stand By Me
    type: MusicRecording
    duration: PT2M6S
    duration ms: 126710
    explicit: false
    by artist: Leonie Carter
    in album: Pop Classics on Piano
      type: MusicAlbum
      date published: 2025-01-10
    genre: neoclassical
    isrc code: AUQ9D2404604
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-06T00:31:09+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x14473dd8de35cd6b52047015a951cf2a4ad242d78243b9e6c481cd5e3a130e6b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956857
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956857
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUQ9D2404604
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T01:26:17Z
    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 0x14473dd8de35cd6b52047015a951cf2a4ad242d78243b9e6c481cd5e3a130e6b. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/AUQ9D2404604.
      date published: 2026-07-06T01:26:17Z
    audio: Stand By Me
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 176.944
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.319
      additional property: Energy
        type: PropertyValue
        value: 0.031
      additional property: Speechiness
        type: PropertyValue
        value: 0.052
      additional property: Acousticness
        type: PropertyValue
        value: 0.994
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.917
      additional property: Liveness
        type: PropertyValue
        value: 0.104
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.148
      additional property: Loudness (dB)
        type: PropertyValue
        value: -27.612
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Let It Be
    type: MusicRecording
    duration: PT1M34S
    duration ms: 94846
    explicit: false
    by artist: Leonie Carter
    in album: Pop Classics on Piano
      type: MusicAlbum
      date published: 2025-01-10
    genre: neoclassical
    isrc code: AUQ9D2404608
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T15:07:03+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x36aca9e5c90094e9f6e235621efc4aedac408792f03345f23e389afe5a497be1
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958568
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958568
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUQ9D2404608
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T15:23:47Z
    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 0x36aca9e5c90094e9f6e235621efc4aedac408792f03345f23e389afe5a497be1. Chain 2 (Bitcoin): anchored in block 958568 (2026-07-18T15:23:47Z), 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/AUQ9D2404608.
      date published: 2026-07-18T15:23:47Z
    audio: Let It Be
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 113.174
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.491
      additional property: Energy
        type: PropertyValue
        value: 0.035
      additional property: Speechiness
        type: PropertyValue
        value: 0.044
      additional property: Acousticness
        type: PropertyValue
        value: 0.986
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.917
      additional property: Liveness
        type: PropertyValue
        value: 0.106
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.43
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Hotel California
  track: Don't Look Back In Anger

Loudness (dB)
type: PropertyValue
value: -28.931

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Major

Hotel California
type: MusicRecording
duration: PT1M50S
duration ms: 110953
explicit: false
by artist: Leonie Carter
in album: Pop Classics on Piano
  type: MusicAlbum
  date published: 2025-01-10
genre: neoclassical
isrc code: AUQ9D2404618
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T15:46:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x31dd8c103e17d64838ee05a65c1ecc8b7182c85c4bd202a83f07a66f14b897ee
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958749
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958749
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUQ9D2404618
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T18:47:56Z
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 0x31dd8c103e17d64838ee05a65c1ecc8b7182c85c4bd202a83f07a66f14b897ee. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T18:47:56Z), 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/AUQ9D2404618.
  date published: 2026-07-19T18:47:56Z
audio: Hotel California
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.02
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.398
  additional property: Energy
    type: PropertyValue
    value: 0.06
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.882
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.046
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.68
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Don't Look Back In Anger
type: MusicRecording
duration: PT1M58S
duration ms: 118618
explicit: false
by artist: Leonie Carter
in album: Pop Classics on Piano
  type: MusicAlbum
  date published: 2025-01-10
genre: neoclassical
isrc code: AUQ9D2404631
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T01:08:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xccbe5af372bce4f235981f446ef03ea525c21461f0495aab45deed758e838b42
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956857
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956857
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUQ9D2404631
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:26:17Z
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 0xccbe5af372bce4f235981f446ef03ea525c21461f0495aab45deed758e838b42. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/AUQ9D2404631.
  date published: 2026-07-06T01:26:17Z
audio: Don't Look Back In Anger
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.094
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.345
  additional property: Energy
    type: PropertyValue
    value: 0.07
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.91
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.143
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.763
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major