Nicotine Fein
type: MusicGroup
popularity: 3
followers: 4
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x91e7ac6acaf6a0e6be97c98a1b35cf0a83173e6b01a8ca1be822ea6d14bf5880
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/8a6e86ec-5450-4f50-b85b-fa99fb719664.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8a6e86ec-5450-4f50-b85b-fa99fb719664.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8a6e86ec-5450-4f50-b85b-fa99fb719664
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x91e7ac6acaf6a0e6be97c98a1b35cf0a83173e6b01a8ca1be822ea6d14bf5880","name":"Nicotine Fein","registered_at":"2026-06-17T14:19:23Z","symbol":"NIM1421970","token_address":"0x3670f4475c5a4a28660e9f4f8fa7528197a17716","type":"artist","uuid":"8a6e86ec-5450-4f50-b85b-fa99fb719664"}
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 0x91e7ac6acaf6a0e6be97c98a1b35cf0a83173e6b01a8ca1be822ea6d14bf5880. 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/8a6e86ec-5450-4f50-b85b-fa99fb719664.json and https://artists.proofprofile.net/proofs/artist/8a6e86ec-5450-4f50-b85b-fa99fb719664.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x91e7ac6acaf6a0e6be97c98a1b35cf0a83173e6b01a8ca1be822ea6d14bf5880","name":"Nicotine Fein","registered_at":"2026-06-17T14:19:23Z","symbol":"NIM1421970","token_address":"0x3670f4475c5a4a28660e9f4f8fa7528197a17716","type":"artist","uuid":"8a6e86ec-5450-4f50-b85b-fa99fb719664"}
album: Nic + Cart
  type: MusicAlbum
  date published: 2025-02-09
album: Cart + Nic
  type: MusicAlbum
  date published: 2025-03-09
  track: Cart + Nic
    type: MusicRecording
    duration: PT1M10S
    duration ms: 70940
    explicit: true
    by artist: Nicotine Fein
    in album: Cart + Nic
      type: MusicAlbum
      date published: 2025-03-09
    isrc code: SGB502501765
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T12:39:34+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xddd8bdba0df36b49ba36f90a4a3587cc3aaac2fc62bf5caad8f5bc380fb071b1
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958736
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958736
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SGB502501765
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T15:42:26Z
    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 0xddd8bdba0df36b49ba36f90a4a3587cc3aaac2fc62bf5caad8f5bc380fb071b1. Chain 2 (Bitcoin): anchored in block 958736 (2026-07-19T15:42:26Z), 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/SGB502501765.
      date published: 2026-07-19T15:42:26Z
    audio: Cart + Nic
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 105.023
      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: 0.723
      additional property: Energy
        type: PropertyValue
        value: 0.52
      additional property: Speechiness
        type: PropertyValue
        value: 0.042
      additional property: Acousticness
        type: PropertyValue
        value: 0.001
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.266
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.436
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.694
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major