佐倉流星
type: MusicGroup
popularity: 6
followers: 174
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7522c51d521879ab1ae9e0de94fba16d97b428f74e24536d6bb3449161cd0256
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954025
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954025
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/38d0e165-a1ac-4b49-903c-09650643e20a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/38d0e165-a1ac-4b49-903c-09650643e20a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/38d0e165-a1ac-4b49-903c-09650643e20a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T00:32:47Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7522c51d521879ab1ae9e0de94fba16d97b428f74e24536d6bb3449161cd0256","name":"佐倉流星","registered_at":"2026-06-16T09:18:26Z","symbol":"NIM1006732","token_address":"0x04205f77c7fdbce0093b55dc449b56a435daf810","type":"artist","uuid":"38d0e165-a1ac-4b49-903c-09650643e20a"}
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 0x7522c51d521879ab1ae9e0de94fba16d97b428f74e24536d6bb3449161cd0256. Chain 2 (Bitcoin): anchored in block 954027 (2026-06-17T00:55:08Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/38d0e165-a1ac-4b49-903c-09650643e20a.json and https://artists.proofprofile.net/proofs/artist/38d0e165-a1ac-4b49-903c-09650643e20a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T00:55:08Z
  text: {"copyright_id":"0x7522c51d521879ab1ae9e0de94fba16d97b428f74e24536d6bb3449161cd0256","name":"佐倉流星","registered_at":"2026-06-16T09:18:26Z","symbol":"NIM1006732","token_address":"0x04205f77c7fdbce0093b55dc449b56a435daf810","type":"artist","uuid":"38d0e165-a1ac-4b49-903c-09650643e20a"}
album: スーサイド！ (feat. 重音テト)
  type: MusicAlbum
  date published: 2024-11-23
  track: スーサイド！ (feat. 重音テト)
    type: MusicRecording
    duration: PT2M7S
    duration ms: 127200
    explicit: false
    by artist: 佐倉流星
    in album: スーサイド！ (feat. 重音テト)
      type: MusicAlbum
      date published: 2024-11-23
    isrc code: TCJPC2476756
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T20:20:08+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x6caa5f0f90c41e52b8ecf0a84f93a85d77c6a4e9bae7d85e01fd379f7dd84022
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956620
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956620
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPC2476756
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T07:11:13Z
    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 0x6caa5f0f90c41e52b8ecf0a84f93a85d77c6a4e9bae7d85e01fd379f7dd84022. Chain 2 (Bitcoin): anchored in block 956620 (2026-07-04T07:11:13Z), 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/TCJPC2476756.
      date published: 2026-07-04T07:11:13Z
    audio: スーサイド！ (feat. 重音テト)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 200.09
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.547
      additional property: Energy
        type: PropertyValue
        value: 0.898
      additional property: Speechiness
        type: PropertyValue
        value: 0.061
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.008
      additional property: Liveness
        type: PropertyValue
        value: 0.322
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.476
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.244
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: ポテト
  type: MusicAlbum
  date published: 2024-11-27
album: 人間失格
  type: MusicAlbum
  date published: 2024-12-07
  track: 人間失格
    type: MusicRecording
    duration: PT3M29S
    duration ms: 209189
    explicit: false
    by artist: 佐倉流星
    in album: 人間失格
      type: MusicAlbum
      date published: 2024-12-07
    isrc code: TCJPC2498585
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T07:09:21+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8db4199a1534e850178bfa0088fa32c7f89bae89b6ed12022dcc3ac71eb5ccaa
    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/TCJPC2498585
    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 0x8db4199a1534e850178bfa0088fa32c7f89bae89b6ed12022dcc3ac71eb5ccaa. 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/TCJPC2498585.
      date published: 2026-07-05T19:27:56Z
    audio: 人間失格
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 148.065
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.564
      additional property: Energy
        type: PropertyValue
        value: 0.926
      additional property: Speechiness
        type: PropertyValue
        value: 0.03
      additional property: Acousticness
        type: PropertyValue
        value: 0.003
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.779
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: 最っ高の人生だった！
album: 楽園ステップ
album: 砂の城

Valence (Positivity)
type: PropertyValue
value: 0.939

Loudness (dB)
type: PropertyValue
value: -6.378

Key Name
type: PropertyValue
value: Ab

Mode Name
type: PropertyValue
value: Minor

最っ高の人生だった！
type: MusicAlbum
date published: 2024-12-27

楽園ステップ
type: MusicAlbum
date published: 2025-04-09
track: 楽園ステップ
  type: MusicRecording
  duration: PT2M31S
  duration ms: 151058
  explicit: false
  by artist: 佐倉流星
  in album: 楽園ステップ
    type: MusicAlbum
    date published: 2025-04-09
  isrc code: TCJPG2507246
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T06:19:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x42f7c23b684f1dfa533c9fd1b9e4bab9ec697fb189f703807fee84af43eb0855
  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/TCJPG2507246
  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 0x42f7c23b684f1dfa533c9fd1b9e4bab9ec697fb189f703807fee84af43eb0855. 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/TCJPG2507246.
    date published: 2026-07-06T07:53:57Z
  audio: 楽園ステップ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 169.937
    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: 0.612
    additional property: Energy
      type: PropertyValue
      value: 0.96
    additional property: Speechiness
      type: PropertyValue
      value: 0.045
    additional property: Acousticness
      type: PropertyValue
      value: 0.07
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.049
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.948
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.143
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

砂の城
type: MusicAlbum
date published: 2025-05-11