Cambridge
type: MusicGroup
description: Cambridge ( ) is a city and non-metropolitan district in the county of Cambridgeshire, England. It is the county town of Cambridgeshire and is located on the River Cam, north of London. As of the 202
popularity: 3
followers: 758
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xddb3bd3695df05769f602a12f14c62f5bdf10ca02f9d6f3829e74eb2da5592a0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954035
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954035
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3d98cb7f-8bac-4614-9bf4-4f7b8d611ed4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3d98cb7f-8bac-4614-9bf4-4f7b8d611ed4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3d98cb7f-8bac-4614-9bf4-4f7b8d611ed4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T02:39:28Z
additional property: OTSCanonicalRecord
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 0xddb3bd3695df05769f602a12f14c62f5bdf10ca02f9d6f3829e74eb2da5592a0. Chain 2 (Bitcoin): anchored in block 954035 (2026-06-17T02:39:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3d98cb7f-8bac-4614-9bf4-4f7b8d611ed4.json and https://artists.proofprofile.net/proofs/artist/3d98cb7f-8bac-4614-9bf4-4f7b8d611ed4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T02:39:28Z
album: Black Dress
  type: MusicAlbum
  date published: 2013-10-07
album: Create. Destroy. Rebuild
  type: MusicAlbum
  date published: 2014-05-29
album: I Could Change
  type: MusicAlbum
  date published: 2015-01-17
album: Can You Say?
  type: MusicAlbum
  date published: 2016-04-06
album: 28 Years Ago - EP
  type: MusicAlbum
  date published: 2016-08-26
album: In Search for More
  type: MusicAlbum
  date published: 2019-01-31
album: Down and Out
  type: MusicAlbum
  date published: 2020-01-15
album: Down and Out
  type: MusicAlbum
  date published: 2020-03-06
album: Down and Out
  type: MusicAlbum
  date published: 2020-03-06
album: Down and Out
  type: MusicAlbum
  date published: 2020-03-06
album: I Found You
  type: MusicAlbum
  date published: 2020-07-10
album: I Found You
  type: MusicAlbum
  date published: 2020-07-10
album: I Found You
  type: MusicAlbum
  date published: 2020-07-10
album: Fancy
  type: MusicAlbum
  date published: 2020-12-04
album: Fancy
  type: MusicAlbum
  date published: 2020-12-04
  track: Fancy
    type: MusicRecording
    duration: PT4M16S
    duration ms: 256066
    explicit: true
    by artist: Cambridge
    in album: Fancy
      type: MusicAlbum
      date published: 2020-12-04
    isrc code: CA5KR2105499
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T04:35:47+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x668e2ce37d1c0de89a2262242f3ebdc2b11a2beb93d988ed354b86bb5a0b1cf3
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958969
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958969
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KR2105499
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T04:58:13Z
    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 0x668e2ce37d1c0de89a2262242f3ebdc2b11a2beb93d988ed354b86bb5a0b1cf3. Chain 2 (Bitcoin): anchored in block 958969 (2026-07-21T04:58:13Z), 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/CA5KR2105499.
      date published: 2026-07-21T04:58:13Z
    audio: Fancy
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 90.013
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.587
      additional property: Energy
        type: PropertyValue
        value: 0.905
      additional property: Speechiness
        type: PropertyValue
        value: 0.049
      additional property: Acousticness
        type: PropertyValue
        value: 0.007
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.283
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.818
      additional property: Loudness (dB)
        type: PropertyValue
        value: -2.78
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Fancy
  type: MusicAlbum
  date published: 2020-12-04
album: Ticket To Hell
  type: MusicAlbum
  date published: 2021-04-23
album: Ticket To Hell
  type: MusicAlbum
  date published: 2021-04-23
album: Ticket To Hell
  type: MusicAlbum
  date published: 2021-04-23