Tatsuhiko Yamamoto
type: MusicGroup
genre: city pop
genre: kayokyoku
description: is a Japanese singer-songwriter and composer born in Shinjuku, Tokyo. He is considered to have helped pioneer the city pop genre. Early life and career Yamamoto first began singing in the Tokyo B
popularity: 26
followers: 8049
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaa3bdbc4a39884bcb32bdb439f690e75807b490bf30795f0821919f3c3f539a1
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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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 0xaa3bdbc4a39884bcb32bdb439f690e75807b490bf30795f0821919f3c3f539a1. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e5863d4e-ca96-4de8-ae71-afe888a9fc35.json and https://artists.proofprofile.net/proofs/artist/e5863d4e-ca96-4de8-ae71-afe888a9fc35.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
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album: Sudden Wind
  type: MusicAlbum
  date published: 1974
album: Sudden Wind
  type: MusicAlbum
  date published: 1979
album: Sudden Wind
  type: MusicAlbum
  date published: 1979-01-25
album: Memorial Rain
  type: MusicAlbum
  date published: 1980
  track: ミスティー・レディー
    type: MusicRecording
    duration: PT4M24S
    duration ms: 264040
    explicit: false
    by artist: Tatsuhiko Yamamoto
    in album: Memorial Rain
      type: MusicAlbum
      date published: 1980
    genre: city pop
    genre: kayokyoku
    isrc code: JPAL07902390
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    additional property: CopyrightStatus
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      value: https://blockstream.info/api/block-height/956772
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPAL07902390
    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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5bc5b7144665272176f72b79722015b61aca1104bf3f5f96fb00803ef51d5b1. 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/JPAL07902390.
      date published: 2026-07-05T10:01:46Z
    audio: ミスティー・レディー
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      additional property: Mode (Major/Minor)
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      additional property: Danceability
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      additional property: Energy
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      additional property: Speechiness
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      additional property: Acousticness
        type: PropertyValue
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      additional property: Instrumentalness
        type: PropertyValue
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      additional property: Liveness
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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      additional property: Key Name
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      additional property: Mode Name
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album: Memorial Rain
  type: MusicAlbum
  date published: 1980
  track: ミスティー・レディー
    type: MusicRecording
    duration: PT4M24S
    duration ms: 264040
    explicit: false
    by artist: Tatsuhiko Yamamoto
    in album: Memorial Rain
      type: MusicAlbum
      date published: 1980
    genre: city pop
    genre: kayokyoku
    isrc code: JPAL07902390
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    additional property: OTSTimestamp
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    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 0xf5bc5b7144665272176f72b79722015b61aca1104bf3f5f96fb00803ef51d5b1. Chain 2 (Bitcoin): anchored in block 956482 (2026-07-03T10:33:57Z), 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/JPAL07902390.
      date published: 2026-07-03T10:33:57Z
    audio: ミスティー・レディー
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
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      additional property: Musical Key
        type: PropertyValue
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      additional property: Mode (Major/Minor)
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      additional property: Time Signature
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      additional property: Danceability
        type: PropertyValue
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      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
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      additional property: Mode Name
album: POKER FACE
album: Ｉ ＬＯＶＥ ＹＯＵ ＳＯ
album: TATSUHIKO LIVE (ライブ at 日本青年館 / 1982)
album: 太陽がいっぱい
album: マティーニ・アワー
album: ROMANTIC VIEW
album: MUSIC
album: メディテラネ
album: STAGE SELECTION
album: MY FAVORITES TATSUHIKO YAMAMOTO -TATSUHIKO INSTRUMENTS-
album: TO BE （トゥ・ビー）
album: FACES
album: ＳＰＥＣＴＲＡ
album: ALIVE AND WELL (ライブ)
album: ＢＯＯＭ ＤＡＹＳ
album: TWIN BEST 山本達彦
album: ＨＥＡＲＴ ＮＯＴＥＳ
album: Ｂａｌｌａｄｓ
album: THE VERY BEST OF TATSUHIKO 1986 to 1988
album: NEXT
album: TATSUHIKO SUMMER SONG COLLECTION
album: TATSUHIKO WINTER SONG COLLECTION
album: ONCE IN MY LIFE
album: LOVED ONE
album: Sweet
album: 山本達彦
album: Natsu Ga Hajimaru Hi
album: 夏がはじまる日
album: TRADE WIND
album: 貿易風 - TRADE WIND -
album: TATSUHIKO YAMAMOTO 35th Anniversary Celebrity Best
album: One Step Ahead
track: LAST GOOD-BYE
track: 今夜はドラマティック

今夜はドラマティック
type: MusicRecording
duration: PT4M18S
duration ms: 258532
explicit: false
by artist: Tatsuhiko Yamamoto
in album: City Pop Essentials ~ Male Voices ~
  type: MusicAlbum
  date published: 2023-10-24
popularity: 6
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf90c93ae040ae89de4e8170eb8d16e2e2e636beac8367fe2bc4b66910932be23. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), 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/JPTO08310560.
  date published: 2026-07-31T09:50:11Z
audio: 今夜はドラマティック
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.957
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.687
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.027
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: JPTO08310560
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960381
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960381
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T09:50:11+00:00
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Energy
type: PropertyValue
value: 0.663

Speechiness
type: PropertyValue
value: 0.031

Acousticness
type: PropertyValue
value: 0.384

Instrumentalness
type: PropertyValue
value: 0.001

Liveness
type: PropertyValue
value: 0.333

Valence (Positivity)
type: PropertyValue
value: 0.668

Loudness (dB)
type: PropertyValue
value: -7.831

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

Memorial Rain
type: MusicAlbum
date published: 1980-01-25

POKER FACE
type: MusicAlbum
date published: 1981
track: SUNRISE HIGHWAY
  type: MusicRecording
  duration: PT3M29S
  duration ms: 209906
  explicit: false
  by artist: Tatsuhiko Yamamoto
  in album: POKER FACE
    type: MusicAlbum
    date published: 1981
  genre: city pop
  genre: kayokyoku
  isrc code: JPAL08102780
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T15:37:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa6bf4a9e1f3924ccd99c7a9636d5230ee072ad8ea431edfe6ba10fb3f06341bd
  additional property: OTSHash
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958436
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPAL08102780
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T16:42:22Z
  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 0xa6bf4a9e1f3924ccd99c7a9636d5230ee072ad8ea431edfe6ba10fb3f06341bd. Chain 2 (Bitcoin): anchored in block 958436 (2026-07-17T16:42:22Z), 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/JPAL08102780.
    date published: 2026-07-17T16:42:22Z
  audio: SUNRISE HIGHWAY
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
      type: PropertyValue
      value: 0.638
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.218
    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
      value: 0.166
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.713
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.484
    additional property: Key Name
      type: PropertyValue
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    additional property: Mode Name
      type: PropertyValue
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track: 夜のピアノ
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191106
  explicit: false
  by artist: Tatsuhiko Yamamoto
  in album: POKER FACE
    type: MusicAlbum
    date published: 1981
  genre: city pop
  genre: kayokyoku
  isrc code: JPAL08102800
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T18:49:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x50d38567494f443507fc194769263f341781c5e8630fa97566251bb273a3cb92
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958601
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPAL08102800
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T19:27:02Z
  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 0x50d38567494f443507fc194769263f341781c5e8630fa97566251bb273a3cb92. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/JPAL08102800.
    date published: 2026-07-18T19:27:02Z
  audio: 夜のピアノ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
      type: PropertyValue
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    additional property: Mode Name
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POKER FACE
type: MusicAlbum
date published: 1981-05-25

Ｉ ＬＯＶＥ ＹＯＵ ＳＯ
type: MusicAlbum
date published: 1982-02-21
track: I LOVE YOU SO
  type: MusicRecording
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  duration ms: 220821
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  in album: Ｉ ＬＯＶＥ ＹＯＵ ＳＯ
    type: MusicAlbum
    date published: 1982-02-21
  genre: city pop
  genre: kayokyoku
  isrc code: JPTO08816900
  additional property: CopyrightID
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    type: PropertyValue
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  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-14T21:44:55+00:00
  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  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 0x70cb985edab951e777dae6515f7fb990f8866c82ebf9d5f92dbf7c5f83af00ba. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/JPTO08816900.
    date published: 2026-07-14T22:45:25Z
  audio: I LOVE YOU SO
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 135.787
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.685
    additional property: Energy
      type: PropertyValue
      value: 0.614
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.068
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.233
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.646
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.943
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

TATSUHIKO LIVE (ライブ at 日本青年館 / 1982)
type: MusicAlbum
date published: 1982-06-01

太陽がいっぱい
type: MusicAlbum
date published: 1982-10-21
track: パシフィック・ブルー
  type: MusicRecording
  duration: PT4M57S
  duration ms: 297666
  explicit: false
  by artist: Tatsuhiko Yamamoto
  in album: 太陽がいっぱい
    type: MusicAlbum
    date published: 1982-10-21
  genre: city pop
  genre: kayokyoku
  isrc code: JPTO08816690
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T23:39:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbb7f0bd9432eb34157ae25a9bb43eeee608466c37951614942ef2e462a50e12f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956856
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956856
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO08816690
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T01:25:57Z
  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 0xbb7f0bd9432eb34157ae25a9bb43eeee608466c37951614942ef2e462a50e12f. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/JPTO08816690.
    date published: 2026-07-06T01:25:57Z
  audio: パシフィック・ブルー
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 73.409
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.475
    additional property: Energy
      type: PropertyValue
      value: 0.278
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.427
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.006
    additional property: Liveness
      type: PropertyValue
      value: 0.269
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.114
    additional property: Loudness (dB)
      type: PropertyValue
      value: -17.185
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major

マティーニ・アワー
type: MusicAlbum
date published: 1983-06-21
track: MAY STORM
  type: MusicRecording
  duration: PT4M23S
  duration ms: 263333
  explicit: false
  by artist: Tatsuhiko Yamamoto
  in album: マティーニ・アワー
    type: MusicAlbum
    date published: 1983-06-21
  genre: city pop
  genre: kayokyoku
  isrc code: JPTO08816750
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-22T01:24:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x593556a74b454f26876f126113e33a43d19711a5fc4d94b6717bac6b46ff5ac8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959087
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959087
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO08816750
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T04:27:04Z
  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 0x593556a74b454f26876f126113e33a43d19711a5fc4d94b6717bac6b46ff5ac8. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T04:27:04Z), 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/JPTO08816750.
    date published: 2026-07-22T04:27:04Z
  audio: MAY STORM
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 119.648
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.742
    additional property: Energy
      type: PropertyValue
      value: 0.547
    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0.558
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.004
    additional property: Liveness
      type: PropertyValue
      value: 0.208
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.555
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.747
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: MY MARINE MARILYN
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195000
  explicit: false
  by artist: Tatsuhiko Yamamoto
  in album: マティーニ・アワー
    type: MusicAlbum
    date published: 1983-06-21
  genre: city pop
  genre: kayokyoku
  isrc code: JPTO08816810
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-12T19:33:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x91b8834d4aeded309f4dd59d387e74dcbc394bf4a38ab8e054f309268cbeb8ab
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957747
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957747
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO08816810
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-12T19:35:06Z
  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 0x91b8834d4aeded309f4dd59d387e74dcbc394bf4a38ab8e054f309268cbeb8ab. Chain 2 (Bitcoin): anchored in block 957747 (2026-07-12T19:35:06Z), 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/JPTO08816810.
    date published: 2026-07-12T19:35:06Z
  audio: MY MARINE MARILYN
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 133.92
    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: 0.75
    additional property: Energy
      type: PropertyValue
      value: 0.731
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.316
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.058
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.877
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.699
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

マティーニ・アワー
type: MusicAlbum
date published: 1983-06-21

ROMANTIC VIEW
type: MusicAlbum
date published: 1983-11-01

MUSIC
type: MusicAlbum
date published: 1984-06-21
track: LONELY JOURNEY
  type: MusicRecording
  duration: PT4M28S
  duration ms: 268000
  explicit: false
  by artist: Tatsuhiko Yamamoto
  in album: MUSIC
    type: MusicAlbum
    date published: 1984-06-21
  genre: city pop
  genre: kayokyoku
  isrc code: JPTO08817100
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T00:30:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfd8aa2c58aad11e7c77c7d1ec0dcb70370f74ca16e14f440f22134e4ad1a19a4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958340
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958340
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO08817100
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T03:32:58Z
  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 0xfd8aa2c58aad11e7c77c7d1ec0dcb70370f74ca16e14f440f22134e4ad1a19a4. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T03:32:58Z), 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/JPTO08817100.
    date published: 2026-07-17T03:32:58Z
  audio: LONELY JOURNEY
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 123.382
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.784
    additional property: Energy
      type: PropertyValue
      value: 0.525
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.153
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.103
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.554
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.244
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: 夢より苦しく
  type: MusicRecording
  duration: PT4M53S
  duration ms: 293906
  explicit: false
  by artist: Tatsuhiko Yamamoto
  in album: MUSIC
    type: MusicAlbum
    date published: 1984-06-21
  genre: city pop
  genre: kayokyoku
  isrc code: JPTO08817120
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T00:39:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x265f0c95c14fb5a1bbd33a357e9c512f4ec2bff78bed8034095686ffb9ec919d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958342
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958342
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO08817120
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T03:41:17Z
  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 0x265f0c95c14fb5a1bbd33a357e9c512f4ec2bff78bed8034095686ffb9ec919d. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T03:41:17Z), 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/JPTO08817120.
    date published: 2026-07-17T03:41:17Z
  audio: 夢より苦しく
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 127.744
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.732
    additional property: Energy
      type: PropertyValue
      value: 0.617
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.069
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.004
    additional property: Liveness
      type: PropertyValue
      value: 0.102
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.789
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.303
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: IMITATION TALE
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216967
  explicit: false
  by artist: Tatsuhiko Yamamoto
  in album: MUSIC
    type: MusicAlbum
    date published: 1984-06-21
  genre: city pop
  genre: kayokyoku
  isrc code: JPTO08412300
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T01:27:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xedac3c24e3153301df3204e268c4236f115b14b7edfe84c28f6d723da054276c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958805
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: IMITATION TALE

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958805

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO08412300

OTSTimestamp
type: PropertyValue
value: 2026-07-20T02:22:58Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedac3c24e3153301df3204e268c4236f115b14b7edfe84c28f6d723da054276c. Chain 2 (Bitcoin): anchored in block 958805 (2026-07-20T02:22:58Z), 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/JPTO08412300.
date published: 2026-07-20T02:22:58Z

IMITATION TALE
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 135.936
additional property: Musical Key
  type: PropertyValue
  value: 10
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.701
additional property: Energy
  type: PropertyValue
  value: 0.751
additional property: Speechiness
  type: PropertyValue
  value: 0.028
additional property: Acousticness
  type: PropertyValue
  value: 0.072
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.17
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.885
additional property: Loudness (dB)
  type: PropertyValue
  value: -10.493
additional property: Key Name
  type: PropertyValue
  value: Bb
additional property: Mode Name
  type: PropertyValue
  value: Minor

メディテラネ
type: MusicAlbum
date published: 1985-03-21
track: 嘘の台詞(ダイアローグ)
  type: MusicRecording
  duration: PT3M47S
  duration ms: 227640
  explicit: false
  by artist: Tatsuhiko Yamamoto
  in album: メディテラネ
    type: MusicAlbum
    date published: 1985-03-21
  genre: city pop
  genre: kayokyoku
  isrc code: JPTO09024370
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T09:28:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3c6bb06ba1a5be1e1ac19e48e0f08392821a3164190261d4bcf3705c3374b49a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958992
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958992
  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-21T12:30:23Z
  audio: 嘘の台詞(ダイアローグ)
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    additional property: Danceability
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    additional property: Valence (Positivity)
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STAGE SELECTION
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date published: 1985-11-01
track: 夏の愛人
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  by artist: Tatsuhiko Yamamoto
  in album: STAGE SELECTION
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    date published: 1985-11-01
  genre: city pop
  genre: kayokyoku
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  additional property: OTSVerificationAPI
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  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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x430d5d90123a321c05f0f0ace07adbc73e08abae8143d647c4c6784a99d13fa8. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/JPTO09015470.
    date published: 2026-07-04T11:19:20Z
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MY FAVORITES TATSUHIKO YAMAMOTO -TATSUHIKO INSTRUMENTS-
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date published: 1985-12-21

TO BE （トゥ・ビー）
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date published: 1986-02-21

FACES
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date published: 1986-07-23
track: 密会のHIGH NOON
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  by artist: Tatsuhiko Yamamoto
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  genre: city pop
  genre: kayokyoku
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  additional property: OTSVerificationAPI
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  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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e9e714718d8178c2a5d2f306e47e8808505887d2f5beba0914a6910a68418aa. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T08:41:42Z), 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/JPTO08613900.
    date published: 2026-07-22T08:41:42Z
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ＳＰＥＣＴＲＡ
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date published: 1986-11-01

ALIVE AND WELL (ライブ)
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date published: 1987-04-06

ＢＯＯＭ ＤＡＹＳ
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date published: 1987-11-05

TWIN BEST 山本達彦
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date published: 1988
track: FAIRY PRINCESS (It's you)
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    date published: 1988
  genre: city pop
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  additional property: OTSVerifyInstructions
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    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
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    date published: 2026-07-05T01:12:41Z
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ＨＥＡＲＴ ＮＯＴＥＳ
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date published: 1988

Ｂａｌｌａｄｓ
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date published: 1989-02-01

THE VERY BEST OF TATSUHIKO 1986 to 1988
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date published: 1989-12-20

NEXT
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date published: 1990

NEXT
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date published: 1990

TATSUHIKO SUMMER SONG COLLECTION
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date published: 1990-07-04

NEXT
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date published: 1990-07-10

TATSUHIKO WINTER SONG COLLECTION
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date published: 1990-12-19

ONCE IN MY LIFE
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date published: 1991

LOVED ONE
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date published: 1991

ONCE IN MY LIFE
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POKER FACE
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LOVED ONE
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date published: 1991

LOVED ONE
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date published: 1991-04-21

ONCE IN MY LIFE
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date published: 1991-11-21

Sweet
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date published: 1992

Sweet
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date published: 1992

Sweet
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date published: 1992-10-21

山本達彦
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date published: 1992-11-11

Natsu Ga Hajimaru Hi
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date published: 1993

夏がはじまる日
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date published: 1993

TRADE WIND
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date published: 1993

夏がはじまる日
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date published: 1993-06-21

貿易風 - TRADE WIND -
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date published: 1994

貿易風 - TRADE WIND -
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date published: 1994-03-15

TATSUHIKO YAMAMOTO 35th Anniversary Celebrity Best
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date published: 2013-09-25

One Step Ahead
type: MusicAlbum
date published: 2018-09-19

LAST GOOD-BYE
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duration: PT3M16S
duration ms: 196933
explicit: false
by artist: Tatsuhiko Yamamoto
by artist: クロス・ビート
in album: City Pop Essentials ~ Male Voices ~
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  date published: 2023-10-24
popularity: 5
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  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68056e4b1c4a6ac6080b5537e5c3f6493d0ae42638cfd36a77e1a0ebe3ab9459. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/JPTO08210170.
  date published: 2026-07-08T03:22:41Z
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