mathru@かにみそP
type: MusicGroup
genre: vocaloid
popularity: 6
followers: 68
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1bd807488414c549d96b367478f62b2bba2b132d94aa1587ee6f4ab1c6b64c37
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954046
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954046
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4120996c-cc64-403c-8f42-4faea105cfec.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4120996c-cc64-403c-8f42-4faea105cfec.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4120996c-cc64-403c-8f42-4faea105cfec
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T04:53:03Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1bd807488414c549d96b367478f62b2bba2b132d94aa1587ee6f4ab1c6b64c37","name":"mathru@かにみそP","registered_at":"2026-06-16T12:15:38Z","symbol":"NIM1049008","token_address":"0xda58f6da900947734644640a058721047b3db7a5","type":"artist","uuid":"4120996c-cc64-403c-8f42-4faea105cfec"}
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 0x1bd807488414c549d96b367478f62b2bba2b132d94aa1587ee6f4ab1c6b64c37. Chain 2 (Bitcoin): anchored in block 954047 (2026-06-17T04:56:08Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4120996c-cc64-403c-8f42-4faea105cfec.json and https://artists.proofprofile.net/proofs/artist/4120996c-cc64-403c-8f42-4faea105cfec.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T04:56:08Z
  text: {"copyright_id":"0x1bd807488414c549d96b367478f62b2bba2b132d94aa1587ee6f4ab1c6b64c37","name":"mathru@かにみそP","registered_at":"2026-06-16T12:15:38Z","symbol":"NIM1049008","token_address":"0xda58f6da900947734644640a058721047b3db7a5","type":"artist","uuid":"4120996c-cc64-403c-8f42-4faea105cfec"}
album: カニミソにしてあげる♪
  type: MusicAlbum
  date published: 2009-09-06
album: ダンシング サムライ
  type: MusicAlbum
  date published: 2009-12-16
  track: ダンシング☆サムライ (feat. 神威がくぽ)
    type: MusicRecording
    duration: PT3M7S
    duration ms: 187605
    explicit: false
    by artist: mathru@かにみそP
    in album: ダンシング サムライ
      type: MusicAlbum
      date published: 2009-12-16
    genre: vocaloid
    isrc code: TCJPB2459357
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T01:37:53+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x77aebb7c2e913ec5b0988d90c2c08ffd57e53467b69ba53bfaedea972eb7ef72
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956474
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956474
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPB2459357
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T08:56:35Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77aebb7c2e913ec5b0988d90c2c08ffd57e53467b69ba53bfaedea972eb7ef72. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/TCJPB2459357.
      date published: 2026-07-03T08:56:35Z
    audio: ダンシング☆サムライ (feat. 神威がくぽ)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 142.042
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.518
      additional property: Energy
        type: PropertyValue
        value: 0.968
      additional property: Speechiness
        type: PropertyValue
        value: 0.049
      additional property: Acousticness
        type: PropertyValue
        value: 0.274
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.363
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.838
      additional property: Loudness (dB)
        type: PropertyValue
        value: -0.928
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: 武士道 ～It is the way of the Samurai～
  type: MusicAlbum
  date published: 2012-12-05
album: KANIMISO A2K
  type: MusicAlbum
  date published: 2012-12-05
  track: 細菌汚染 (feat. 初音ミク)
    type: MusicRecording
    duration: PT3M56S
    duration ms: 236791
    explicit: false
    by artist: mathru@かにみそP
    in album: KANIMISO A2K
      type: MusicAlbum
      date published: 2012-12-05
    genre: vocaloid
    isrc code: TCJPC2400215
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-06T04:45:59+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc9b1d1ad60f2eb09228094abad1ceacd3a953fddeb87a7731d9aa2212f14d7d9
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956894
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956894
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPC2400215
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T07:53:57Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9b1d1ad60f2eb09228094abad1ceacd3a953fddeb87a7731d9aa2212f14d7d9. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPC2400215.
      date published: 2026-07-06T07:53:57Z
    audio: 細菌汚染 (feat. 初音ミク)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 105.989
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.53
      additional property: Energy
        type: PropertyValue
        value: 0.959
      additional property: Speechiness
        type: PropertyValue
        value: 0.095
      additional property: Acousticness
        type: PropertyValue
        value: 0.019
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: かにのなかまたち

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.328

Valence (Positivity)
type: PropertyValue
value: 0.595

Loudness (dB)
type: PropertyValue
value: -7.93

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Major

かにのなかまたち
type: MusicAlbum
date published: 2025-07-31