強
type: MusicGroup
popularity: 10
followers: 654
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf253eda2fe997ab9989808da578c4afd3e04f089bb306251c0ede5ed73987080
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953947
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953947
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/232af00e-d43d-46b5-9fe9-bbd72ffc7e0a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/232af00e-d43d-46b5-9fe9-bbd72ffc7e0a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/232af00e-d43d-46b5-9fe9-bbd72ffc7e0a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T13:14:26Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf253eda2fe997ab9989808da578c4afd3e04f089bb306251c0ede5ed73987080","name":"強","registered_at":"2026-06-16T01:50:49Z","symbol":"NIM0899845","token_address":"0xb4f899ade026c2898e262e12641a4ee7823830fa","type":"artist","uuid":"232af00e-d43d-46b5-9fe9-bbd72ffc7e0a"}
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 0xf253eda2fe997ab9989808da578c4afd3e04f089bb306251c0ede5ed73987080. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/232af00e-d43d-46b5-9fe9-bbd72ffc7e0a.json and https://artists.proofprofile.net/proofs/artist/232af00e-d43d-46b5-9fe9-bbd72ffc7e0a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
  text: {"copyright_id":"0xf253eda2fe997ab9989808da578c4afd3e04f089bb306251c0ede5ed73987080","name":"強","registered_at":"2026-06-16T01:50:49Z","symbol":"NIM0899845","token_address":"0xb4f899ade026c2898e262e12641a4ee7823830fa","type":"artist","uuid":"232af00e-d43d-46b5-9fe9-bbd72ffc7e0a"}
album: Revolving Runturn
  type: MusicAlbum
  date published: 2018-08-22
  track: クソッタレが原動力
    type: MusicRecording
    duration: PT4M17S
    duration ms: 257500
    explicit: false
    by artist: 強
    in album: Revolving Runturn
      type: MusicAlbum
      date published: 2018-08-22
    isrc code: TCJPM2050782
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T01:41:32+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xcef81fdccf0da999326c39699bfb15fb49071043e25d52e43edbf4d7bfd786ec
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956772
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956772
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPM2050782
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T00:06:39Z
    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 0xcef81fdccf0da999326c39699bfb15fb49071043e25d52e43edbf4d7bfd786ec. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-20T00:06:39Z), 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/TCJPM2050782.
      date published: 2026-07-20T00:06:39Z
    audio: クソッタレが原動力
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 98.081
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.625
      additional property: Energy
        type: PropertyValue
        value: 0.705
      additional property: Speechiness
        type: PropertyValue
        value: 0.044
      additional property: Acousticness
        type: PropertyValue
        value: 0.064
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.052
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.6
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.498
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Revolving Runturn
  type: MusicAlbum
  date published: 2018-08-22
album: アコギとツヨシ
  type: MusicAlbum
  date published: 2020-09-01
album: スーパースター（皇治ver）
  type: MusicAlbum
  date published: 2020-09-27
album: KAORI
  type: MusicAlbum
  date published: 2020-09-29
album: クソッタレが原動力 (トリニータver)
  type: MusicAlbum
  date published: 2020-10-12
album: 2020年、無観客になった (Live)
  type: MusicAlbum
  date published: 2021-01-17
album: ダークヒーロー
  type: MusicAlbum
  date published: 2021-06-23
  track: ダークヒーロー
    type: MusicRecording
    duration: PT4M45S
    duration ms: 285365
    explicit: false
    by artist: 強
    in album: ダークヒーロー
      type: MusicAlbum
      date published: 2021-06-23
    isrc code: TCJPP2102185
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T08:25:52+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xd78bf70995bd3fa0e1141dd95bc43e8c97d0b50af93e9c8616f8c43a0b0320aa
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958526
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958526
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPP2102185
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T09:09:53Z
    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 0xd78bf70995bd3fa0e1141dd95bc43e8c97d0b50af93e9c8616f8c43a0b0320aa. Chain 2 (Bitcoin): anchored in block 958526 (2026-07-18T09:09:53Z), 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/TCJPP2102185.
      date published: 2026-07-18T09:09:53Z
    audio: ダークヒーロー
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 164.388
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.415
      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: BASEBALL HOLIC
album: Crossroad (feat. RYO the SKYWALKER)
album: 強ワンマン2021 (Live at Billboard OSAKA)
album: ossan be ambitious〜オッサンよ大志を抱け〜 (feat. マホフォレシタン)
album: コダワレ
album: 拝啓、戦う君へ
album: おもろいことしよーぜ
album: スーパースター (SPA ver.)
album: ダークヒーロー (dsk ver.)
album: BLUE LINE ~Sea Side M~
album: そりゃそうか
album: curtain call (dsk ver.)
album: オッサンよ大志を抱け (プロレス)

Energy
type: PropertyValue
value: 0.586

Speechiness
type: PropertyValue
value: 0.109

Acousticness
type: PropertyValue
value: 0.175

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.109

Valence (Positivity)
type: PropertyValue
value: 0.549

Loudness (dB)
type: PropertyValue
value: -8.791

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

BASEBALL HOLIC
type: MusicAlbum
date published: 2021-10-12

Crossroad (feat. RYO the SKYWALKER)
type: MusicAlbum
date published: 2021-10-29

強ワンマン2021 (Live at Billboard OSAKA)
type: MusicAlbum
date published: 2022-07-14

ossan be ambitious〜オッサンよ大志を抱け〜 (feat. マホフォレシタン)
type: MusicAlbum
date published: 2022-08-06

コダワレ
type: MusicAlbum
date published: 2022-09-16

拝啓、戦う君へ
type: MusicAlbum
date published: 2022-12-07

おもろいことしよーぜ
type: MusicAlbum
date published: 2023-12-24

スーパースター (SPA ver.)
type: MusicAlbum
date published: 2024-01-30

ダークヒーロー (dsk ver.)
type: MusicAlbum
date published: 2024-02-16

BLUE LINE ~Sea Side M~
type: MusicAlbum
date published: 2025-04-25

そりゃそうか
type: MusicAlbum
date published: 2025-05-25

curtain call (dsk ver.)
type: MusicAlbum
date published: 2025-07-16

オッサンよ大志を抱け (プロレス)
type: MusicAlbum
date published: 2025-08-23