William Kees
type: MusicGroup
popularity: 13
followers: 5
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa33912df22103ea65036ae102e05dad74ec0a478ee7558adb03ad5c01b05dbd6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953817
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953817
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fa8f4125-af2b-45b1-bfef-fe05f5365d5f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fa8f4125-af2b-45b1-bfef-fe05f5365d5f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fa8f4125-af2b-45b1-bfef-fe05f5365d5f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T18:10:31Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa33912df22103ea65036ae102e05dad74ec0a478ee7558adb03ad5c01b05dbd6","name":"William Kees","registered_at":"2026-06-15T06:51:09Z","symbol":"NIM0716173","token_address":"0xd95a056422b2164f2bf767da1d070a78d69dcdf8","type":"artist","uuid":"fa8f4125-af2b-45b1-bfef-fe05f5365d5f"}
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 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa33912df22103ea65036ae102e05dad74ec0a478ee7558adb03ad5c01b05dbd6. Chain 2 (Bitcoin): anchored in block 953817 (2026-06-15T18:10:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fa8f4125-af2b-45b1-bfef-fe05f5365d5f.json and https://artists.proofprofile.net/proofs/artist/fa8f4125-af2b-45b1-bfef-fe05f5365d5f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T18:10:31Z
  text: {"copyright_id":"0xa33912df22103ea65036ae102e05dad74ec0a478ee7558adb03ad5c01b05dbd6","name":"William Kees","registered_at":"2026-06-15T06:51:09Z","symbol":"NIM0716173","token_address":"0xd95a056422b2164f2bf767da1d070a78d69dcdf8","type":"artist","uuid":"fa8f4125-af2b-45b1-bfef-fe05f5365d5f"}
album: Piano Covers Vol.3
  type: MusicAlbum
  date published: 2025-01-24
album: Wish You The Best (Piano Cover)
  type: MusicAlbum
  date published: 2025-01-27
album: Ghost (Piano version)
  type: MusicAlbum
  date published: 2025-01-31
  track: Ghost - Piano version
    type: MusicRecording
    duration: PT2M41S
    duration ms: 161039
    explicit: false
    by artist: William Kees
    in album: Ghost (Piano version)
      type: MusicAlbum
      date published: 2025-01-31
    isrc code: CAHQJ2570624
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-22T14:11:47+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8b033e3a6792fc3067da7276ef26bd549dbe2db52842f69f9972105de47d24fd
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959144
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959144
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAHQJ2570624
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-22T15:38:35Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b033e3a6792fc3067da7276ef26bd549dbe2db52842f69f9972105de47d24fd. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/CAHQJ2570624.
      date published: 2026-07-22T15:38:35Z
    audio: Ghost - Piano version
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 73.492
      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: 0.571
      additional property: Energy
        type: PropertyValue
        value: 0.102
      additional property: Speechiness
        type: PropertyValue
        value: 0.047
      additional property: Acousticness
        type: PropertyValue
        value: 0.978
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.947
      additional property: Liveness
        type: PropertyValue
        value: 0.106
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.325
      additional property: Loudness (dB)
        type: PropertyValue
        value: -22.367
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: BIRDS OF A FEATHER (Piano Cover)
  type: MusicAlbum
  date published: 2025-02-06
album: See You Again (Piano version)
  type: MusicAlbum
  date published: 2025-02-06
album: Piano Covers Vol.5
  type: MusicAlbum
  date published: 2025-02-07
  track: Forever Young - Piano version
    type: MusicRecording
    duration: PT3M9S
    duration ms: 189318
    explicit: false
    by artist: William Kees
    in album: Piano Covers Vol.5
      type: MusicAlbum
      date published: 2025-02-07
    isrc code: CAHQJ2587745
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T21:41:03+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa4bb4778d3ae10bc1dd88021f472c54ba1e68dd41cccadc7f08932436433710e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959065
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959065
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAHQJ2587745
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-22T00:43:42Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4bb4778d3ae10bc1dd88021f472c54ba1e68dd41cccadc7f08932436433710e. Chain 2 (Bitcoin): anchored in block 959065 (2026-07-22T00:43:42Z), 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/CAHQJ2587745.
      date published: 2026-07-22T00:43:42Z
    audio: Forever Young - Piano version
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 132.021
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.566
      additional property: Energy
        type: PropertyValue
        value: 0.235
      additional property: Speechiness
        type: PropertyValue
        value: 0.051
      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: Fast Car (Piano cover)
album: Please Please Please (Piano version)
album: Piano Covers Vol.4
album: Greedy (Piano Version)
album: Dancing on My Own (Piano Version)
album: Piano Covers Vol.2
album: Photograph (Piano Version)
album: Piano Covers Vol.1 (Piano Version)
album: Blinding Lights (Piano Version)
album: Espresso (Piano Version)
album: Counting Stars (Piano Version)
album: drivers license (Piano Version)
album: Let Her Go (Piano Version)

Acousticness
type: PropertyValue
value: 0.893

Instrumentalness
type: PropertyValue
value: 0.9

Liveness
type: PropertyValue
value: 0.107

Valence (Positivity)
type: PropertyValue
value: 0.218

Loudness (dB)
type: PropertyValue
value: -18.85

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major

Fast Car (Piano cover)
type: MusicAlbum
date published: 2025-02-07

Please Please Please (Piano version)
type: MusicAlbum
date published: 2025-02-07

Piano Covers Vol.4
type: MusicAlbum
date published: 2025-02-07

Greedy (Piano Version)
type: MusicAlbum
date published: 2025-02-10

Dancing on My Own (Piano Version)
type: MusicAlbum
date published: 2025-02-11

Piano Covers Vol.2
type: MusicAlbum
date published: 2025-02-11

Photograph (Piano Version)
type: MusicAlbum
date published: 2025-02-11

Piano Covers Vol.1 (Piano Version)
type: MusicAlbum
date published: 2025-02-11

Blinding Lights (Piano Version)
type: MusicAlbum
date published: 2025-03-19

Espresso (Piano Version)
type: MusicAlbum
date published: 2025-03-22

Counting Stars (Piano Version)
type: MusicAlbum
date published: 2025-03-22

drivers license (Piano Version)
type: MusicAlbum
date published: 2025-03-22

Let Her Go (Piano Version)
type: MusicAlbum
date published: 2025-03-22