Shinichi Sasaki
type: MusicGroup
genre: enka
genre: kayokyoku
popularity: 10
followers: 583
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x79fc80dc4dfbbb851a1dcc16ea2cd86033b39c8c86b9cbb8a046aadb6cd8a062
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b2b1dedb-1c96-485f-8390-f05f920fddcc.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b2b1dedb-1c96-485f-8390-f05f920fddcc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b2b1dedb-1c96-485f-8390-f05f920fddcc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x79fc80dc4dfbbb851a1dcc16ea2cd86033b39c8c86b9cbb8a046aadb6cd8a062","name":"Shinichi Sasaki","registered_at":"2026-06-20T13:40:28Z","symbol":"NIM1622646","token_address":"0x42a67967178356a0c03e1c7e5093b100604d3044","type":"artist","uuid":"b2b1dedb-1c96-485f-8390-f05f920fddcc"}
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 0x79fc80dc4dfbbb851a1dcc16ea2cd86033b39c8c86b9cbb8a046aadb6cd8a062. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b2b1dedb-1c96-485f-8390-f05f920fddcc.json and https://artists.proofprofile.net/proofs/artist/b2b1dedb-1c96-485f-8390-f05f920fddcc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x79fc80dc4dfbbb851a1dcc16ea2cd86033b39c8c86b9cbb8a046aadb6cd8a062","name":"Shinichi Sasaki","registered_at":"2026-06-20T13:40:28Z","symbol":"NIM1622646","token_address":"0x42a67967178356a0c03e1c7e5093b100604d3044","type":"artist","uuid":"b2b1dedb-1c96-485f-8390-f05f920fddcc"}
album: 里ごよみ/あの娘たずねて
  type: MusicAlbum
  date published: 2010-11-26
album: ふるさと津軽/リンゴの花が咲いていた
  type: MusicAlbum
  date published: 2012-01-09
album: 遠い空だよ故郷は/君が好きだよ
  type: MusicAlbum
  date published: 2012-01-11
album: 津軽そだち/お岩木山
  type: MusicAlbum
  date published: 2012-12-05
album: 津軽そだち/お岩木山
  type: MusicAlbum
  date published: 2012-12-05
  track: 津軽そだち
    type: MusicRecording
    duration: PT4M46S
    duration ms: 286893
    explicit: false
    by artist: Shinichi Sasaki
    in album: 津軽そだち/お岩木山
      type: MusicAlbum
      date published: 2012-12-05
    genre: enka
    genre: kayokyoku
    isrc code: JPKI01216719
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T08:01:20+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa06efa05ec05e9b71bc23e5af41501a11b6e0f67761e9182ac2ba001f9b30930
    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/JPKI01216719
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T10:01:46Z
    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 0xa06efa05ec05e9b71bc23e5af41501a11b6e0f67761e9182ac2ba001f9b30930. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/JPKI01216719.
      date published: 2026-07-05T10:01:46Z
    audio: 津軽そだち
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 149.152
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.356
      additional property: Energy
        type: PropertyValue
        value: 0.639
      additional property: Speechiness
        type: PropertyValue
        value: 0.044
      additional property: Acousticness
        type: PropertyValue
        value: 0.701
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.057
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.599
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.423
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: 浪花善哉/もしかして恋
  type: MusicAlbum
  date published: 2013-12-04
album: 祖谷のかずら橋/涙の終列車
  type: MusicAlbum
  date published: 2015-10-07
album: 別れの港/富士山音頭
  type: MusicAlbum
  date published: 2018-05-23
album: 佐々木新一全曲集～あの娘たずねて～
  type: MusicAlbum
  date published: 2022-10-05
  track: あの娘たずねて
    type: MusicRecording
    duration: PT3M34S
    duration ms: 214678
    explicit: false
    by artist: Shinichi Sasaki
    in album: 佐々木新一全曲集～あの娘たずねて～
      type: MusicAlbum
      date published: 2022-10-05
    genre: enka
    genre: kayokyoku
    isrc code: JPKI06529328
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T08:29:38+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x4010ba1edfa2cfb53881a2f4ff2afc441dade589d7e937c56255090ce85559c7
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956656
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956656
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI06529328
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T14:03:39Z
    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 0x4010ba1edfa2cfb53881a2f4ff2afc441dade589d7e937c56255090ce85559c7. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/JPKI06529328.
      date published: 2026-07-04T14:03:39Z
    audio: あの娘たずねて
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 120.634
      additional property: Musical Key
        type: PropertyValue
        value: 2
      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
  track: 君が好きだよ

Mode (Major/Minor)
type: PropertyValue
value: 0

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.616

Energy
type: PropertyValue
value: 0.469

Speechiness
type: PropertyValue
value: 0.036

Acousticness
type: PropertyValue
value: 0.799

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.152

Valence (Positivity)
type: PropertyValue
value: 0.826

Loudness (dB)
type: PropertyValue
value: -8.766

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Minor

君が好きだよ
type: MusicRecording
duration: PT3M38S
duration ms: 218436
explicit: false
by artist: Shinichi Sasaki
in album: 佐々木新一全曲集～あの娘たずねて～
  type: MusicAlbum
  date published: 2022-10-05
genre: enka
genre: kayokyoku
isrc code: JPKI06633442
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-14T20:11:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe338640fae97a14b6af20693f2a33aa386cc4be9435c5a141c32c1bd50158ba0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958060
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958060
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI06633442
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-14T20:39:42Z
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 0xe338640fae97a14b6af20693f2a33aa386cc4be9435c5a141c32c1bd50158ba0. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/JPKI06633442.
  date published: 2026-07-14T20:39:42Z
audio: 君が好きだよ
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.451
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.327
  additional property: Energy
    type: PropertyValue
    value: 0.269
  additional property: Speechiness
    type: PropertyValue
    value: 0.028
  additional property: Acousticness
    type: PropertyValue
    value: 0.739
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.211
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.255
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.918
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major