しーせん
type: MusicGroup
popularity: 6
followers: 252
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaeaff40b701f81ce9add333635eff0b80a96d9f40a762c82c1460db3cb881e45
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954062
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954062
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/46d8d0fb-de6f-4473-b0d7-80801097b64e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/46d8d0fb-de6f-4473-b0d7-80801097b64e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/46d8d0fb-de6f-4473-b0d7-80801097b64e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T07:39:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xaeaff40b701f81ce9add333635eff0b80a96d9f40a762c82c1460db3cb881e45","name":"しーせん","registered_at":"2026-06-16T14:14:53Z","symbol":"NIM1077449","token_address":"0x819094468fed154374d8639ba8fb03fb1baf9d01","type":"artist","uuid":"46d8d0fb-de6f-4473-b0d7-80801097b64e"}
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 0xaeaff40b701f81ce9add333635eff0b80a96d9f40a762c82c1460db3cb881e45. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/46d8d0fb-de6f-4473-b0d7-80801097b64e.json and https://artists.proofprofile.net/proofs/artist/46d8d0fb-de6f-4473-b0d7-80801097b64e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0xaeaff40b701f81ce9add333635eff0b80a96d9f40a762c82c1460db3cb881e45","name":"しーせん","registered_at":"2026-06-16T14:14:53Z","symbol":"NIM1077449","token_address":"0x819094468fed154374d8639ba8fb03fb1baf9d01","type":"artist","uuid":"46d8d0fb-de6f-4473-b0d7-80801097b64e"}
album: ラブロック!!
  type: MusicAlbum
  date published: 2022-05-20
album: Alive Moments
  type: MusicAlbum
  date published: 2022-07-31
album: お願い！UNCさん
  type: MusicAlbum
  date published: 2024-03-26
album: だめにんげんだ! (しーせん Cover Ver.)
  type: MusicAlbum
  date published: 2024-05-31
album: Movie Star
  type: MusicAlbum
  date published: 2025-03-03
  track: Movie Star
    type: MusicRecording
    duration: PT4M43S
    duration ms: 283208
    explicit: false
    by artist: しーせん
    in album: Movie Star
      type: MusicAlbum
      date published: 2025-03-03
    isrc code: JP92N2506729
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T11:36:16+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe594307e7502fc72c55ce39bc3aa2b05cd2040b2e315e4e8b31be5864e821c44
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956725
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956725
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JP92N2506729
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T01:12:41Z
    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 0xe594307e7502fc72c55ce39bc3aa2b05cd2040b2e315e4e8b31be5864e821c44. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/JP92N2506729.
      date published: 2026-07-05T01:12:41Z
    audio: Movie Star
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 180.025
      additional property: Musical Key
        type: PropertyValue
        value: 3
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.446
      additional property: Energy
        type: PropertyValue
        value: 0.949
      additional property: Speechiness
        type: PropertyValue
        value: 0.183
      additional property: Acousticness
        type: PropertyValue
        value: 0.016
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.002
      additional property: Liveness
        type: PropertyValue
        value: 0.35
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.51
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.113
      additional property: Key Name
        type: PropertyValue
        value: Eb
      additional property: Mode Name
        type: PropertyValue
        value: Major