Maddison Kate
type: MusicGroup
popularity: 5
followers: 238
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x87e7d3b046ace6818a03e72579c1f16a229dd9a052ccee7e5bafbafd9599d6be
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954050
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954050
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/43054d86-2957-4af7-bce4-5908d0607037.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/43054d86-2957-4af7-bce4-5908d0607037.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/43054d86-2957-4af7-bce4-5908d0607037
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T05:14:33Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x87e7d3b046ace6818a03e72579c1f16a229dd9a052ccee7e5bafbafd9599d6be","name":"Maddison Kate","registered_at":"2026-06-16T12:58:43Z","symbol":"NIM1059284","token_address":"0x26aa741058c129939690fc37179fce12a6c55725","type":"artist","uuid":"43054d86-2957-4af7-bce4-5908d0607037"}
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 0x87e7d3b046ace6818a03e72579c1f16a229dd9a052ccee7e5bafbafd9599d6be. Chain 2 (Bitcoin): anchored in block 954050 (2026-06-17T05:14:33Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/43054d86-2957-4af7-bce4-5908d0607037.json and https://artists.proofprofile.net/proofs/artist/43054d86-2957-4af7-bce4-5908d0607037.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T05:14:33Z
  text: {"copyright_id":"0x87e7d3b046ace6818a03e72579c1f16a229dd9a052ccee7e5bafbafd9599d6be","name":"Maddison Kate","registered_at":"2026-06-16T12:58:43Z","symbol":"NIM1059284","token_address":"0x26aa741058c129939690fc37179fce12a6c55725","type":"artist","uuid":"43054d86-2957-4af7-bce4-5908d0607037"}
album: I'll Be Free
  type: MusicAlbum
  date published: 2021-06-18
album: I'll Be Free
  type: MusicAlbum
  date published: 2021-06-18
album: Run Away
  type: MusicAlbum
  date published: 2022-11-18
album: Close Your Heart
  type: MusicAlbum
  date published: 2024-03-01
album: Only Place We Know
  type: MusicAlbum
  date published: 2024-06-14
album: A Truth
  type: MusicAlbum
  date published: 2025-05-23
  track: A Truth
    type: MusicRecording
    duration: PT2M59S
    duration ms: 179487
    explicit: false
    by artist: Maddison Kate
    in album: A Truth
      type: MusicAlbum
      date published: 2025-05-23
    isrc code: AUMEV2561171
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T12:49:26+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf097bb5ad069575e275272f2e1fcba66ce3bcf4339a91e9fa4a350bdb0460367
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958157
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958157
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUMEV2561171
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T15:52:05Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf097bb5ad069575e275272f2e1fcba66ce3bcf4339a91e9fa4a350bdb0460367. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:52:05Z), 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/AUMEV2561171.
      date published: 2026-07-15T15:52:05Z
    audio: A Truth
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 91.86
      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: 0.448
      additional property: Energy
        type: PropertyValue
        value: 0.479
      additional property: Speechiness
        type: PropertyValue
        value: 0.031
      additional property: Acousticness
        type: PropertyValue
        value: 0.567
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.244
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.459
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.272
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: More To Me
  type: MusicAlbum
  date published: 2025-07-11
  track: More To Me
    type: MusicRecording
    duration: PT4M16S
    duration ms: 256773
    explicit: false
    by artist: Maddison Kate
    in album: More To Me
      type: MusicAlbum
      date published: 2025-07-11
    isrc code: AUMEV2582423
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T17:44:52+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x642adedd797f61fe0addeaaaa09e5227a313782f3b91329d27cede401ac5e852
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958761
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958761
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUMEV2582423
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T20:47:08Z
    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 0x642adedd797f61fe0addeaaaa09e5227a313782f3b91329d27cede401ac5e852. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:47:08Z), 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/AUMEV2582423.
      date published: 2026-07-19T20:47:08Z
    audio: More To Me
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 126.553
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.365
      additional property: Energy
        type: PropertyValue
        value: 0.541
      additional property: Speechiness
      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: What I'd Say To You

Speechiness
type: PropertyValue
value: 0.055

Acousticness
type: PropertyValue
value: 0.696

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.327

Valence (Positivity)
type: PropertyValue
value: 0.207

Loudness (dB)
type: PropertyValue
value: -9.276

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major

What I'd Say To You
type: MusicAlbum
date published: 2025-08-08