Emmitt Cassin
type: MusicGroup
popularity: 6
followers: 2
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdbfbcf7f876f99a8c814585ebb1a8c500f58ec56b7b0d5198d8fbbd11d366386
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/eb07cb13-3b81-4774-a79b-936cfd393f59.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/eb07cb13-3b81-4774-a79b-936cfd393f59.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/eb07cb13-3b81-4774-a79b-936cfd393f59
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdbfbcf7f876f99a8c814585ebb1a8c500f58ec56b7b0d5198d8fbbd11d366386","name":"Emmitt Cassin","registered_at":"2026-06-21T10:45:31Z","symbol":"NIM1902148","token_address":"0x3cb18a1a660e15fc98057120e2769ccc1c09b518","type":"artist","uuid":"eb07cb13-3b81-4774-a79b-936cfd393f59"}
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 0xdbfbcf7f876f99a8c814585ebb1a8c500f58ec56b7b0d5198d8fbbd11d366386. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/eb07cb13-3b81-4774-a79b-936cfd393f59.json and https://artists.proofprofile.net/proofs/artist/eb07cb13-3b81-4774-a79b-936cfd393f59.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0xdbfbcf7f876f99a8c814585ebb1a8c500f58ec56b7b0d5198d8fbbd11d366386","name":"Emmitt Cassin","registered_at":"2026-06-21T10:45:31Z","symbol":"NIM1902148","token_address":"0x3cb18a1a660e15fc98057120e2769ccc1c09b518","type":"artist","uuid":"eb07cb13-3b81-4774-a79b-936cfd393f59"}
album: Backstage
  type: MusicAlbum
  date published: 2025-02-18
  track: Kai
    type: MusicRecording
    duration: PT2M57S
    duration ms: 177675
    explicit: false
    by artist: Emmitt Cassin
    in album: Backstage
      type: MusicAlbum
      date published: 2025-02-18
    isrc code: QZMHP2565496
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T09:14:02+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x694b1e434d37b1a32c8282a7fb35f564af3c93cd38fb6c60ae82778e1c8def10
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958991
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958991
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMHP2565496
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T10:04:40Z
    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 0x694b1e434d37b1a32c8282a7fb35f564af3c93cd38fb6c60ae82778e1c8def10. Chain 2 (Bitcoin): anchored in block 958991 (2026-07-21T10:04:40Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMHP2565496 — a six-check JSON result.
      date published: 2026-07-21T10:04:40Z
    audio: Kai
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 96.602
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.523
      additional property: Energy
        type: PropertyValue
        value: 0.461
      additional property: Speechiness
        type: PropertyValue
        value: 0.025
      additional property: Acousticness
        type: PropertyValue
        value: 0.168
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.001
      additional property: Liveness
        type: PropertyValue
        value: 0.263
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.615
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.154
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Lavender Flavor
    type: MusicRecording
    duration: PT2M23S
    duration ms: 143706
    explicit: false
    by artist: Emmitt Cassin
    in album: Backstage
      type: MusicAlbum
      date published: 2025-02-18
    isrc code: QZMHM2501353
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-06T00:54:14+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x1a058e59ec7155eb6c730cffad4ac99403ec9cb4ad84ee1d9bf482bf5338952d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956856
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956856
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMHM2501353
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T01:25:57Z
    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 0x1a058e59ec7155eb6c730cffad4ac99403ec9cb4ad84ee1d9bf482bf5338952d. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMHM2501353 — a six-check JSON result.
      date published: 2026-07-06T01:25:57Z
    audio: Lavender Flavor
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 121.646
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.338
      additional property: Energy
        type: PropertyValue
        value: 0.359
      additional property: Speechiness
        type: PropertyValue
        value: 0.032
      additional property: Acousticness
        type: PropertyValue
        value: 0.464
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.504
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.242
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.19
      additional property: Key Name
      additional property: Mode Name

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Major