William Cambler
type: MusicGroup
popularity: 10
followers: 106
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x657840f677328255d855d3972d4f199c2e877267d589b976783304a5e0e2dbf5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/db3d6a4a-a2d7-4706-81c2-4e33100205df.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/db3d6a4a-a2d7-4706-81c2-4e33100205df.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/db3d6a4a-a2d7-4706-81c2-4e33100205df
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x657840f677328255d855d3972d4f199c2e877267d589b976783304a5e0e2dbf5","name":"William Cambler","registered_at":"2026-06-21T04:40:03Z","symbol":"NIM1821560","token_address":"0x3239be3edd6b84eddb09762912635707f4ac5254","type":"artist","uuid":"db3d6a4a-a2d7-4706-81c2-4e33100205df"}
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 0x657840f677328255d855d3972d4f199c2e877267d589b976783304a5e0e2dbf5. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/db3d6a4a-a2d7-4706-81c2-4e33100205df.json and https://artists.proofprofile.net/proofs/artist/db3d6a4a-a2d7-4706-81c2-4e33100205df.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x657840f677328255d855d3972d4f199c2e877267d589b976783304a5e0e2dbf5","name":"William Cambler","registered_at":"2026-06-21T04:40:03Z","symbol":"NIM1821560","token_address":"0x3239be3edd6b84eddb09762912635707f4ac5254","type":"artist","uuid":"db3d6a4a-a2d7-4706-81c2-4e33100205df"}
album: Plastic Hearts
  type: MusicAlbum
  date published: 2021-07-16
album: Grey Treason
  type: MusicAlbum
  date published: 2021-08-18
album: Before Portals
  type: MusicAlbum
  date published: 2022-02-10
album: Acoustic Dinner
  type: MusicAlbum
  date published: 2022-02-22
  track: Acoustic Dinner
    type: MusicRecording
    duration: PT2M13S
    duration ms: 133718
    explicit: false
    by artist: William Cambler
    in album: Acoustic Dinner
      type: MusicAlbum
      date published: 2022-02-22
    isrc code: FR10S2264904
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T19:16:23+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xbe71dabf61713eebafe4059473117e968b22267c26096ad0cd83331697fe9985
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958935
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958935
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S2264904
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T22:08:19Z
    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 0xbe71dabf61713eebafe4059473117e968b22267c26096ad0cd83331697fe9985. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), 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/FR10S2264904.
      date published: 2026-07-20T22:08:19Z
    audio: Acoustic Dinner
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 99.359
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.376
      additional property: Energy
        type: PropertyValue
        value: 0.163
      additional property: Speechiness
        type: PropertyValue
        value: 0.041
      additional property: Acousticness
        type: PropertyValue
        value: 0.986
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.96
      additional property: Liveness
        type: PropertyValue
        value: 0.119
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.192
      additional property: Loudness (dB)
        type: PropertyValue
        value: -17.136
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Beautiful Moments
  type: MusicAlbum
  date published: 2023-02-03
album: Beautiful Moments
  type: MusicAlbum
  date published: 2024-06-12
  track: Star in the Sky
    type: MusicRecording
    duration: PT2M20S
    duration ms: 140574
    explicit: false
    by artist: William Cambler
    in album: Beautiful Moments
      type: MusicAlbum
      date published: 2024-06-12
    isrc code: GX8252301126
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-22T06:48:26+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x63266a83a81457ce044df77b99bf4da42458f6aa9bcab7d9a7d8d78f896c2cb5
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959107
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959107
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX8252301126
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-22T07:19:23Z
    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 0x63266a83a81457ce044df77b99bf4da42458f6aa9bcab7d9a7d8d78f896c2cb5. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T07:19:23Z), 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/GX8252301126.
      date published: 2026-07-22T07:19:23Z
    audio: Star in the Sky
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 69.996
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.576
      additional property: Energy
        type: PropertyValue
        value: 0.241
      additional property: Speechiness
        type: PropertyValue
        value: 0.065
      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: Piano Night
album: My Innocence
album: Heart Burning
album: One World

Acousticness
type: PropertyValue
value: 0.706

Instrumentalness
type: PropertyValue
value: 0.938

Liveness
type: PropertyValue
value: 0.092

Valence (Positivity)
type: PropertyValue
value: 0.035

Loudness (dB)
type: PropertyValue
value: -10.053

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

Beautiful Moments
type: MusicAlbum
date published: 2024-06-12

Piano Night
type: MusicAlbum
date published: 2024-06-13

Piano Night
type: MusicAlbum
date published: 2024-06-13

My Innocence
type: MusicAlbum
date published: 2024-06-14

My Innocence
type: MusicAlbum
date published: 2024-06-14

Heart Burning
type: MusicAlbum
date published: 2024-06-15

Heart Burning
type: MusicAlbum
date published: 2024-06-15

One World
type: MusicAlbum
date published: 2024-06-16

One World
type: MusicAlbum
date published: 2024-06-16