Mitten Kitten
type: MusicGroup
popularity: 8
followers: 30
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc4719b9aa83d2a061001780feef3299d9b5e6a9534a6b3b2f799cf3dbe6ee7f5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8911069e-3c92-408a-a0db-d4181604de7e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8911069e-3c92-408a-a0db-d4181604de7e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8911069e-3c92-408a-a0db-d4181604de7e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc4719b9aa83d2a061001780feef3299d9b5e6a9534a6b3b2f799cf3dbe6ee7f5","name":"Mitten Kitten","registered_at":"2026-06-17T13:48:41Z","symbol":"NIM1414637","token_address":"0xba1d8e19fb14b97f4f65d84521693a68190b18e4","type":"artist","uuid":"8911069e-3c92-408a-a0db-d4181604de7e"}
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 0xc4719b9aa83d2a061001780feef3299d9b5e6a9534a6b3b2f799cf3dbe6ee7f5. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8911069e-3c92-408a-a0db-d4181604de7e.json and https://artists.proofprofile.net/proofs/artist/8911069e-3c92-408a-a0db-d4181604de7e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0xc4719b9aa83d2a061001780feef3299d9b5e6a9534a6b3b2f799cf3dbe6ee7f5","name":"Mitten Kitten","registered_at":"2026-06-17T13:48:41Z","symbol":"NIM1414637","token_address":"0xba1d8e19fb14b97f4f65d84521693a68190b18e4","type":"artist","uuid":"8911069e-3c92-408a-a0db-d4181604de7e"}
album: Harvest Moon (Piano Instrumental)
  type: MusicAlbum
  date published: 2023-06-30
  track: Harvest Moon - Piano Instrumental
    type: MusicRecording
    duration: PT3M42S
    duration ms: 222162
    explicit: false
    by artist: Mitten Kitten
    in album: Harvest Moon (Piano Instrumental)
      type: MusicAlbum
      date published: 2023-06-30
    isrc code: NL8VW2300002
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T04:54:38+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xbd1930230ea37d33e421caf7f120e092ba5f024d9dec75976be786e7397d3bfc
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958504
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958504
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL8VW2300002
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T05:41:32Z
    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 0xbd1930230ea37d33e421caf7f120e092ba5f024d9dec75976be786e7397d3bfc. Chain 2 (Bitcoin): anchored in block 958504 (2026-07-18T05:41:32Z), 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/NL8VW2300002.
      date published: 2026-07-18T05:41:32Z
    audio: Harvest Moon - Piano Instrumental
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 112.937
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.46
      additional property: Energy
        type: PropertyValue
        value: 0.036
      additional property: Speechiness
        type: PropertyValue
        value: 0.043
      additional property: Acousticness
        type: PropertyValue
        value: 0.99
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.942
      additional property: Liveness
        type: PropertyValue
        value: 0.071
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.164
      additional property: Loudness (dB)
        type: PropertyValue
        value: -26.071
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Don't You Want Me (Piano Instrumental)
  type: MusicAlbum
  date published: 2023-07-21
album: The Blower's Daughter (Piano Instrumental)
  type: MusicAlbum
  date published: 2023-08-11
  track: The Blower's Daughter - Piano Instrumental
    type: MusicRecording
    duration: PT3M3S
    duration ms: 183925
    explicit: false
    by artist: Mitten Kitten
    in album: The Blower's Daughter (Piano Instrumental)
      type: MusicAlbum
      date published: 2023-08-11
    isrc code: NL8VW2300008
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T15:39:39+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9de897308d0ce55c5b3706399b3b3d750f105e444732018c63a72b6c425f99c8
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958170
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958170
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL8VW2300008
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T16:21:50Z
    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 0x9de897308d0ce55c5b3706399b3b3d750f105e444732018c63a72b6c425f99c8. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T16:21:50Z), 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/NL8VW2300008.
      date published: 2026-07-15T16:21:50Z
    audio: The Blower's Daughter - Piano Instrumental
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 131.446
      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: 0.447
      additional property: Energy
        type: PropertyValue
        value: 0.009
      additional property: Speechiness
        type: PropertyValue
        value: 0.044
      additional property: Acousticness
        type: PropertyValue
        value: 0.994
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.933
      additional property: Liveness
        type: PropertyValue
        value: 0.07
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Don't Know Why (Piano Instrumental)
album: Ceilings (Piano Instrumental)
album: All of Me (Piano Instrumental)
album: Last Christmas (Piano Instrumental)
album: Have Yourself A Merry Little Christmas (Piano Instrumental)
album: Let It Snow! Let It Snow! Let It Snow! (Piano Instrumental)
album: Christmas Classics Piano Vol. 1
album: Shallow (Piano Instrumental)
album: Falling Slowly (Piano Instrumental)
album: New Slang (Piano Instrumental)
album: Skinny Love (Piano Instrumental)

Valence (Positivity)
type: PropertyValue
value: 0.191

Loudness (dB)
type: PropertyValue
value: -28.381

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Major

Don't Know Why (Piano Instrumental)
type: MusicAlbum
date published: 2023-09-01

Ceilings (Piano Instrumental)
type: MusicAlbum
date published: 2023-09-22
track: Ceilings - Piano Instrumental
  type: MusicRecording
  duration: PT2M5S
  duration ms: 125268
  explicit: false
  by artist: Mitten Kitten
  in album: Ceilings (Piano Instrumental)
    type: MusicAlbum
    date published: 2023-09-22
  isrc code: NL8VW2300014
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T22:02:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5b11ed1797715446ee703a47c09b672ea857771aae4fd686ec493eae101a0a15
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956856
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956856
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL8VW2300014
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T01:25:57Z
  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 0x5b11ed1797715446ee703a47c09b672ea857771aae4fd686ec493eae101a0a15. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/NL8VW2300014.
    date published: 2026-07-06T01:25:57Z
  audio: Ceilings - Piano Instrumental
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 144.898
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.334
    additional property: Energy
      type: PropertyValue
      value: 0.031
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.982
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.967
    additional property: Liveness
      type: PropertyValue
      value: 0.09
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.163
    additional property: Loudness (dB)
      type: PropertyValue
      value: -23.308
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

All of Me (Piano Instrumental)
type: MusicAlbum
date published: 2023-10-13

Last Christmas (Piano Instrumental)
type: MusicAlbum
date published: 2023-11-03

Have Yourself A Merry Little Christmas (Piano Instrumental)
type: MusicAlbum
date published: 2023-11-24

Let It Snow! Let It Snow! Let It Snow! (Piano Instrumental)
type: MusicAlbum
date published: 2023-12-15

Christmas Classics Piano Vol. 1
type: MusicAlbum
date published: 2023-12-15

Shallow (Piano Instrumental)
type: MusicAlbum
date published: 2024-01-05

Falling Slowly (Piano Instrumental)
type: MusicAlbum
date published: 2024-01-26

New Slang (Piano Instrumental)
type: MusicAlbum
date published: 2024-02-16

Skinny Love (Piano Instrumental)
type: MusicAlbum
date published: 2024-03-08