KASTRA kirurgio
type: MusicGroup
popularity: 3
followers: 23
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x873dba951231edd336386d05f92a25da4bfd0e5ed108c9fadb56730add2d0425
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953877
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953877
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/08ceef74-e1f6-4c4f-8a28-05e310951762.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/08ceef74-e1f6-4c4f-8a28-05e310951762.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/08ceef74-e1f6-4c4f-8a28-05e310951762
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T02:39:16Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x873dba951231edd336386d05f92a25da4bfd0e5ed108c9fadb56730add2d0425","name":"KASTRA kirurgio","registered_at":"2026-06-15T16:40:03Z","symbol":"NIM0768412","token_address":"0x215ea5fc72dbacd232399090e83eb89c3adf2922","type":"artist","uuid":"08ceef74-e1f6-4c4f-8a28-05e310951762"}
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 0x873dba951231edd336386d05f92a25da4bfd0e5ed108c9fadb56730add2d0425. Chain 2 (Bitcoin): anchored in block 953879 (2026-06-16T02:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/08ceef74-e1f6-4c4f-8a28-05e310951762.json and https://artists.proofprofile.net/proofs/artist/08ceef74-e1f6-4c4f-8a28-05e310951762.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T02:57:35Z
  text: {"copyright_id":"0x873dba951231edd336386d05f92a25da4bfd0e5ed108c9fadb56730add2d0425","name":"KASTRA kirurgio","registered_at":"2026-06-15T16:40:03Z","symbol":"NIM0768412","token_address":"0x215ea5fc72dbacd232399090e83eb89c3adf2922","type":"artist","uuid":"08ceef74-e1f6-4c4f-8a28-05e310951762"}
album: SENSEI!!
  type: MusicAlbum
  date published: 2023-03-07
album: OATH!!
  type: MusicAlbum
  date published: 2023-03-07
album: ADAM
  type: MusicAlbum
  date published: 2023-05-31
album: ADAM
  type: MusicAlbum
  date published: 2023-05-31
album: Sultry Night (feat. Hibiki Sugano)
  type: MusicAlbum
  date published: 2023-08-01
album: 熱帯夜 (feat. Hibiki Sugano)
  type: MusicAlbum
  date published: 2023-08-01
album: 熱帯夜
  type: MusicAlbum
  date published: 2023-08-01
album: 19
  type: MusicAlbum
  date published: 2023-12-02
album: 19
  type: MusicAlbum
  date published: 2023-12-02
album: kogarashi
  type: MusicAlbum
  date published: 2024-01-12
  track: kogarashi
    type: MusicRecording
    duration: PT2M21S
    duration ms: 141964
    explicit: false
    by artist: KASTRA kirurgio
    in album: kogarashi
      type: MusicAlbum
      date published: 2024-01-12
    isrc code: TCJPY2480122
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T06:49:38+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8d5da50042811a19b68d2ac56908e5cca0334069c38038b424a2382e0b011feb
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956484
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956484
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPY2480122
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T10:47:44Z
    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 0x8d5da50042811a19b68d2ac56908e5cca0334069c38038b424a2382e0b011feb. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/TCJPY2480122.
      date published: 2026-07-03T10:47:44Z
    audio: kogarashi
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 132.022
      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: 0.781
      additional property: Energy
        type: PropertyValue
        value: 0.593
      additional property: Speechiness
        type: PropertyValue
        value: 0.044
      additional property: Acousticness
        type: PropertyValue
        value: 0.404
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.489
      additional property: Liveness
        type: PropertyValue
        value: 0.106
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.832
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.271
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: kogarashi
  type: MusicAlbum
  date published: 2024-01-12
  track: kogarashi
    type: MusicRecording
    duration: PT2M21S
    duration ms: 141964
    explicit: false
    by artist: KASTRA kirurgio
    in album: kogarashi
      type: MusicAlbum
      date published: 2024-01-12
    isrc code: TCJPY2480122
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T06:49:38+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8d5da50042811a19b68d2ac56908e5cca0334069c38038b424a2382e0b011feb
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956826
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956826
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPY2480122
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T19:27:56Z
    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 0x8d5da50042811a19b68d2ac56908e5cca0334069c38038b424a2382e0b011feb. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/TCJPY2480122.
      date published: 2026-07-05T19:27:56Z
    audio: kogarashi
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 132.022
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      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: sultry night (Remix)
album: 熱帯夜 (Remix)
album: Rain (feat. Hibiki Sugano)
album: FANTA

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.781

Energy
type: PropertyValue
value: 0.593

Speechiness
type: PropertyValue
value: 0.044

Acousticness
type: PropertyValue
value: 0.404

Instrumentalness
type: PropertyValue
value: 0.489

Liveness
type: PropertyValue
value: 0.106

Valence (Positivity)
type: PropertyValue
value: 0.832

Loudness (dB)
type: PropertyValue
value: -11.271

Key Name
type: PropertyValue
value: Ab

Mode Name
type: PropertyValue
value: Major

sultry night (Remix)
type: MusicAlbum
date published: 2024-10-15

熱帯夜 (Remix)
type: MusicAlbum
date published: 2024-10-15

Rain (feat. Hibiki Sugano)
type: MusicAlbum
date published: 2025-05-03

Rain (feat. Hibiki Sugano)
type: MusicAlbum
date published: 2025-05-03

FANTA
type: MusicAlbum
date published: 2025-05-16

FANTA
type: MusicAlbum
date published: 2025-05-16