Piano Candy Music
type: MusicGroup
popularity: 15
followers: 756
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf1ba1292dbbf3609db434727d9260126d609d0a61c0e60612078e82175b7f458
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953694
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953694
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6c2ff216-dbe6-461e-9ad3-4c5af0287bd7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6c2ff216-dbe6-461e-9ad3-4c5af0287bd7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6c2ff216-dbe6-461e-9ad3-4c5af0287bd7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T21:38:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf1ba1292dbbf3609db434727d9260126d609d0a61c0e60612078e82175b7f458","name":"Piano Candy Music","registered_at":"2026-06-14T15:47:54Z","symbol":"NIM0500622","token_address":"0xadc087df1f7530b93a85f7f3270bd0e897b42d0a","type":"artist","uuid":"6c2ff216-dbe6-461e-9ad3-4c5af0287bd7"}
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 0xf1ba1292dbbf3609db434727d9260126d609d0a61c0e60612078e82175b7f458. Chain 2 (Bitcoin): anchored in block 953699 (2026-06-14T22:00:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6c2ff216-dbe6-461e-9ad3-4c5af0287bd7.json and https://artists.proofprofile.net/proofs/artist/6c2ff216-dbe6-461e-9ad3-4c5af0287bd7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T22:00:24Z
  text: {"copyright_id":"0xf1ba1292dbbf3609db434727d9260126d609d0a61c0e60612078e82175b7f458","name":"Piano Candy Music","registered_at":"2026-06-14T15:47:54Z","symbol":"NIM0500622","token_address":"0xadc087df1f7530b93a85f7f3270bd0e897b42d0a","type":"artist","uuid":"6c2ff216-dbe6-461e-9ad3-4c5af0287bd7"}
album: Old Songs But Piano Covers
  type: MusicAlbum
  date published: 2022-04-20
  track: Bad Romance
    type: MusicRecording
    duration: PT2M46S
    duration ms: 166000
    explicit: false
    by artist: Piano Candy Music
    in album: Old Songs But Piano Covers
      type: MusicAlbum
      date published: 2022-04-20
    isrc code: QZAKB2164647
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T22:52:08+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb43d581aefab80ebb83ffaa8841fde083193d31dc70737144bc1c0b53766550a
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958468
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958468
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZAKB2164647
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T00:27:51Z
    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 0xb43d581aefab80ebb83ffaa8841fde083193d31dc70737144bc1c0b53766550a. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/QZAKB2164647.
      date published: 2026-07-18T00:27:51Z
    audio: Bad Romance
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 184.105
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.481
      additional property: Energy
        type: PropertyValue
        value: 0.317
      additional property: Speechiness
        type: PropertyValue
        value: 0.049
      additional property: Acousticness
        type: PropertyValue
        value: 0.951
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.872
      additional property: Liveness
        type: PropertyValue
        value: 0.093
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.106
      additional property: Loudness (dB)
        type: PropertyValue
        value: -17.308
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: Nuvole Bianche
    type: MusicRecording
    duration: PT5M20S
    duration ms: 320000
    explicit: false
    by artist: Piano Candy Music
    in album: Old Songs But Piano Covers
      type: MusicAlbum
      date published: 2022-04-20
    isrc code: QZAKB2164651
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T09:32:48+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x6094bc93126050fe8ac9c264e50a3049e5ecb422a5fcf0b86c5b04f874ff9a90
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958140
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958140
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZAKB2164651
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T12:35:09Z
    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 0x6094bc93126050fe8ac9c264e50a3049e5ecb422a5fcf0b86c5b04f874ff9a90. Chain 2 (Bitcoin): anchored in block 958140 (2026-07-15T12:35:09Z), 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/QZAKB2164651.
      date published: 2026-07-15T12:35:09Z
    audio: Nuvole Bianche
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 131.295
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.23
      additional property: Energy
        type: PropertyValue
        value: 0.128
      additional property: Speechiness
        type: PropertyValue
        value: 0.051
      additional property: Acousticness
        type: PropertyValue
        value: 0.975
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.946
      additional property: Liveness
        type: PropertyValue
        value: 0.099
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.041
      additional property: Loudness (dB)
        type: PropertyValue
        value: -22.487
      additional property: Key Name
      additional property: Mode Name
  track: Una Mattina
  track: Claire de Lune

Key Name
type: PropertyValue
value: Bb

Mode Name
type: PropertyValue
value: Major

Una Mattina
type: MusicRecording
duration: PT3M16S
duration ms: 196000
explicit: false
by artist: Piano Candy Music
in album: Old Songs But Piano Covers
  type: MusicAlbum
  date published: 2022-04-20
isrc code: QZAKB2164652
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T13:56:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5c4f2cbb400610cce122f9e031208016de5e9dd6b97444812bd6620210b7ba21
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958430
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958430
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZAKB2164652
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T15:33:28Z
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 0x5c4f2cbb400610cce122f9e031208016de5e9dd6b97444812bd6620210b7ba21. Chain 2 (Bitcoin): anchored in block 958430 (2026-07-17T15:33:28Z), 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/QZAKB2164652.
  date published: 2026-07-17T15:33:28Z
audio: Una Mattina
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.023
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 1
  additional property: Danceability
    type: PropertyValue
    value: 0.421
  additional property: Energy
    type: PropertyValue
    value: 0.137
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.933
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.105
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.49
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Claire de Lune
type: MusicRecording
duration: PT5M29S
duration ms: 329000
explicit: false
by artist: Piano Candy Music
in album: Old Songs But Piano Covers
  type: MusicAlbum
  date published: 2022-04-20
isrc code: QZAKB2164653
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T20:05:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe4ede77ec0b519756b9b8518dd999171e15c594654c1abf632ed7301f15ef436
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/QZAKB2164653
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 0xe4ede77ec0b519756b9b8518dd999171e15c594654c1abf632ed7301f15ef436. 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/QZAKB2164653.
  date published: 2026-07-06T01:26:17Z
audio: Claire de Lune
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.785
  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: 0.44
  additional property: Energy
    type: PropertyValue
    value: 0.063
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.943
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.219
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major