Mayo Okamoto
type: MusicGroup
genre: j-pop
genre: kayokyoku
description: is a Japanese pop singer and songwriter. Her 1995 debut single "Tomorrow" peaked at number 1 on the Oricon weekly single charts. This was the theme song for TBS drama "Second Chance" in 1995, and c
popularity: 44
followers: 56744
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSProofURL
  type: PropertyValue
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaa6f18e5ab512477f4d9d55c5197a5ac61abb94c239e79adccdba34ef4aa120. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/92f1a035-16f6-4b49-ae5b-cc217276860f.json and https://artists.proofprofile.net/proofs/artist/92f1a035-16f6-4b49-ae5b-cc217276860f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
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album: TOMORROW/BLUE STAR
  type: MusicAlbum
  date published: 1995-05-10
album: TOMORROW/BLUE STAR
  type: MusicAlbum
  date published: 1995-05-10
album: TOMORROW/BLUE STAR
  type: MusicAlbum
  date published: 1995-05-10
album: TOMORROW/BLUE STAR
  type: MusicAlbum
  date published: 1995-05-10
album: SUN&MOON
  type: MusicAlbum
  date published: 1995-06-10
album: SUN&MOON
  type: MusicAlbum
  date published: 1995-06-10
album: SUN&MOON
  type: MusicAlbum
  date published: 1995-06-10
album: FOREVER
  type: MusicAlbum
  date published: 1996-02-12
album: FOREVER
  type: MusicAlbum
  date published: 1996-02-12
album: FOREVER
  type: MusicAlbum
  date published: 1996-02-12
album: Pureness
  type: MusicAlbum
  date published: 1996-03-16
album: Pureness
  type: MusicAlbum
  date published: 1996-03-16
album: Pureness
  type: MusicAlbum
  date published: 1996-03-16
album: Alone/もっと笑ってよ
  type: MusicAlbum
  date published: 1996-11-05
album: Alone/もっと笑ってよ
  type: MusicAlbum
  date published: 1996-11-05
album: Alone/もっと笑ってよ
  type: MusicAlbum
  date published: 1996-11-05
album: そのままの君でいて/ANNIVERSARY
  type: MusicAlbum
  date published: 1997-01-16
album: そのままの君でいて/ANNIVERSARY
  type: MusicAlbum
  date published: 1997-01-16
album: そのままの君でいて/ANNIVERSARY
  type: MusicAlbum
  date published: 1997-01-16
album: Smile
  type: MusicAlbum
  date published: 1997-03-05
album: 泣けちゃうほど せつないけど/Will
  type: MusicAlbum
  date published: 1997-03-05
album: Smile
  type: MusicAlbum
  date published: 1997-03-05
  track: 泣けちゃうほどせつないけど - アルバム･ヴァージョン
    type: MusicRecording
    duration: PT4M28S
    duration ms: 268440
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    by artist: Mayo Okamoto
    in album: Smile
      type: MusicAlbum
      date published: 1997-03-05
    genre: j-pop
    genre: kayokyoku
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTK09741402
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T04:13:26Z
    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 0x2df340929b8b017585ad9f61ad024bfd334d26cd4478852f8e4426cbc0a1c5c0. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/JPTK09741402.
      date published: 2026-07-18T04:13:26Z
    audio: 泣けちゃうほどせつないけど - アルバム･ヴァージョン
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      additional property: Danceability
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  track: もう一度だけキスしたかった
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    duration ms: 316506
    explicit: false
    by artist: Mayo Okamoto
    in album: Smile
      type: MusicAlbum
      date published: 1997-03-05
    genre: j-pop
    genre: kayokyoku
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    additional property: OTSBitcoinBlock
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    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: もう一度だけキスしたかった
  track: また会おうね また会えるね
album: サヨナラ/星空の散歩道
album: 大丈夫だよ/悩んでないでLet's Go!デス
album: 想い出にできなくて/会いたくて
album: Hello
album: Everlasting/銀色の週末
album: 宝物
album: この星空の彼方/Help me Ⅱ
album: 魔法のリングにKissをして
album: RISE 1～BEST～
album: Rise 1 Best
album: RISEⅠ
album: RISE 1
album: ハピハピ バースディ
album: Dear…
album: Dear・・・
album: Life
album: 愛という名の花
album: もう一度あの頃の空を・・・
album: Destiny
album: seasons
album: Crystal Scenery Ⅱ
album: Crystal Scenery Ⅲ
album: My Favorites
album: Close To You
album: Tomorrow
album: Love Story
album: Happy Days
album: 笑顔のおまじない
album: 旅人よ
album: 岡本真夜 25th Anniversarry BEST ALBUM～Thanks a million～
album: Crystal Scenery
album: 岡本真夜 25th“+1”ANNIVERSARY Concert 2021 〜Thanks a million〜
album: カナリア
album: Lastly
album: 雪に願いを〜cherish my love〜

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CopyrightStatus
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value: registered

CopyrightRegisteredAt
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CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0x0331478b5d1b4eb5e4487366a2cfea47212daa1167115aa9fc6961d7fb21d974

OTSHash
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OTSBitcoinBlock
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value: 958761

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958761

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTK09741406

OTSTimestamp
type: PropertyValue
value: 2026-07-19T19:08:27Z

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 0x0331478b5d1b4eb5e4487366a2cfea47212daa1167115aa9fc6961d7fb21d974. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T19:08:27Z), 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/JPTK09741406.
date published: 2026-07-19T19:08:27Z

もう一度だけキスしたかった
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 168.002
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
  value: 4
additional property: Danceability
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additional property: Energy
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additional property: Speechiness
  type: PropertyValue
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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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
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また会おうね また会えるね
type: MusicRecording
duration: PT4M34S
duration ms: 274093
explicit: false
by artist: Mayo Okamoto
in album: Smile
  type: MusicAlbum
  date published: 1997-03-05
genre: j-pop
genre: kayokyoku
isrc code: JPTK09741407
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T04:00:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x876ead4bd31b0d42f4b2da59c5db78471ebba650f3d272f6aad342027d83cef9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958245
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958245
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTK09741407
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T07:01:20Z
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 0x876ead4bd31b0d42f4b2da59c5db78471ebba650f3d272f6aad342027d83cef9. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T07:01:20Z), 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/JPTK09741407.
  date published: 2026-07-16T07:01:20Z
audio: また会おうね また会えるね
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.937
  additional property: Musical Key
    type: PropertyValue
    value: 10
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    value: 1
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    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.392
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    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.303
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.437
  additional property: Loudness (dB)
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    value: -7.129
  additional property: Key Name
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泣けちゃうほど せつないけど/Will
type: MusicAlbum
date published: 1997-03-05

Smile
type: MusicAlbum
date published: 1997-03-05

泣けちゃうほど せつないけど/Will
type: MusicAlbum
date published: 1997-03-05

サヨナラ/星空の散歩道
type: MusicAlbum
date published: 1997-11-19

サヨナラ/星空の散歩道
type: MusicAlbum
date published: 1997-11-19

サヨナラ/星空の散歩道
type: MusicAlbum
date published: 1997-11-19

大丈夫だよ/悩んでないでLet's Go!デス
type: MusicAlbum
date published: 1998-02-25

大丈夫だよ/悩んでないでLet's Go!デス
type: MusicAlbum
date published: 1998-02-25

大丈夫だよ/悩んでないでLet's Go!デス
type: MusicAlbum
date published: 1998-02-25

想い出にできなくて/会いたくて
type: MusicAlbum
date published: 1998-04-16

想い出にできなくて/会いたくて
type: MusicAlbum
date published: 1998-04-16

Hello
type: MusicAlbum
date published: 1998-04-29
track: 大スキ!
  type: MusicRecording
  duration: PT4M29S
  duration ms: 269426
  explicit: false
  by artist: Mayo Okamoto
  in album: Hello
    type: MusicAlbum
    date published: 1998-04-29
  genre: j-pop
  genre: kayokyoku
  isrc code: JPTK09841201
  additional property: CopyrightID
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    type: PropertyValue
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  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/JPTK09841201
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T00:53:26Z
  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 0x13722fffbb0c0abd43b703ae364e8b234df8b18946c5c20f9e99e079d3e9f6fd. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/JPTK09841201.
    date published: 2026-07-17T00:53:26Z
  audio: 大スキ!
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    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
      type: PropertyValue
      value: 0.857
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.056
    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
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track: ゆらゆら
  type: MusicRecording
  duration: PT5M13S
  duration ms: 313733
  explicit: false
  by artist: Mayo Okamoto
  in album: Hello
    type: MusicAlbum
    date published: 1998-04-29
  genre: j-pop
  genre: kayokyoku
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  additional property: CopyrightID
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  additional property: CopyrightRegisteredAt
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
    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 0xd6b2673272b695008ee32527a43c0888604b7a378e56b527be9e37821c171377. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/JPTK09841202.
    date published: 2026-07-06T01:26:17Z
  audio: ゆらゆら
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 114.942
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.836
    additional property: Energy
      type: PropertyValue
      value: 0.574
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.144
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.041
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.805
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.176
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: With you
  type: MusicRecording
  duration: PT5M36S
  duration ms: 336360
  explicit: false
  by artist: Mayo Okamoto
  in album: Hello
    type: MusicAlbum
    date published: 1998-04-29
  genre: j-pop
  genre: kayokyoku
  isrc code: JPTK09841206
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-13T00:34:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0c3210240800a7d79e938cae5d2e128c252ffb60c22e2221f6003e295f54aa5b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957782
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: With you

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957782

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTK09841206

OTSTimestamp
type: PropertyValue
value: 2026-07-13T00:52:48Z

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 0x0c3210240800a7d79e938cae5d2e128c252ffb60c22e2221f6003e295f54aa5b. Chain 2 (Bitcoin): anchored in block 957782 (2026-07-13T00:52:48Z), 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/JPTK09841206.
date published: 2026-07-13T00:52:48Z

With you
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 74.962
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: 0.528
additional property: Energy
  type: PropertyValue
  value: 0.449
additional property: Speechiness
  type: PropertyValue
  value: 0.024
additional property: Acousticness
  type: PropertyValue
  value: 0.19
additional property: Instrumentalness
  type: PropertyValue
  value: 0.01
additional property: Liveness
  type: PropertyValue
  value: 0.136
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.271
additional property: Loudness (dB)
  type: PropertyValue
  value: -7.976
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Hello
type: MusicAlbum
date published: 1998-04-29

Hello
type: MusicAlbum
date published: 1998-04-29

Everlasting/銀色の週末
type: MusicAlbum
date published: 1998-11-18

Everlasting/銀色の週末
type: MusicAlbum
date published: 1998-11-18

宝物
type: MusicAlbum
date published: 1999-02-10

宝物
type: MusicAlbum
date published: 1999-02-10

宝物
type: MusicAlbum
date published: 1999-02-10

この星空の彼方/Help me Ⅱ
type: MusicAlbum
date published: 1999-07-07

この星空の彼方/Help me Ⅱ
type: MusicAlbum
date published: 1999-07-07

この星空の彼方/Help me Ⅱ
type: MusicAlbum
date published: 1999-07-07

魔法のリングにKissをして
type: MusicAlbum
date published: 1999-08-04

魔法のリングにKissをして
type: MusicAlbum
date published: 1999-08-04
track: この星空の彼方
  type: MusicRecording
  duration: PT5M41S
  duration ms: 341400
  explicit: false
  by artist: Mayo Okamoto
  in album: 魔法のリングにKissをして
    type: MusicAlbum
    date published: 1999-08-04
  genre: j-pop
  genre: kayokyoku
  isrc code: JPTK09902990
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T18:26:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x67f620ffc4f67acc1067b4f0007b15f021958bfc251aed83a8bfd0a9c7995ee5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958196
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958196
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTK09902990
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T20:38:50Z
  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 0x67f620ffc4f67acc1067b4f0007b15f021958bfc251aed83a8bfd0a9c7995ee5. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T20:38:50Z), 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/JPTK09902990.
    date published: 2026-07-15T20:38:50Z
  audio: この星空の彼方
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 75.929
    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: 0.581
    additional property: Energy
      type: PropertyValue
      value: 0.482
    additional property: Speechiness
      type: PropertyValue
      value: 0.029
    additional property: Acousticness
      type: PropertyValue
      value: 0.584
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.097
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.182
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.155
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

魔法のリングにKissをして
type: MusicAlbum
date published: 1999-08-04

RISE 1～BEST～
type: MusicAlbum
date published: 2000

RISE 1～BEST～
type: MusicAlbum
date published: 2000
track: FOREVER
  type: MusicRecording
  duration: PT4M19S
  duration ms: 259173
  explicit: false
  by artist: Mayo Okamoto
  in album: RISE 1～BEST～
    type: MusicAlbum
    date published: 2000
  genre: j-pop
  genre: kayokyoku
  isrc code: JPTK09501120
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T09:28:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2df117aed8e127ac1eef075c2ff926e2a60720900f864c4194bc0fc907bbeb4a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956634
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTK09501120
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  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 0x2df117aed8e127ac1eef075c2ff926e2a60720900f864c4194bc0fc907bbeb4a. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/JPTK09501120.
    date published: 2026-07-04T10:04:33Z
  audio: FOREVER
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 115.982
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.602
    additional property: Energy
      type: PropertyValue
      value: 0.695
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.712
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.169
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.658
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.778
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Alone
  type: MusicRecording
  duration: PT5M37S
  duration ms: 337133
  explicit: false
  by artist: Mayo Okamoto
  in album: RISE 1～BEST～
    type: MusicAlbum
    date published: 2000
  genre: j-pop
  genre: kayokyoku
  isrc code: JPTK09600960
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T09:26:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x75aa3c4d1f52fec894d5025f33e02361fff72862354b273e08bca2f8ea5c0510
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956545
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956545
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTK09600960
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T19:59:51Z
  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 0x75aa3c4d1f52fec894d5025f33e02361fff72862354b273e08bca2f8ea5c0510. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/JPTK09600960.
    date published: 2026-07-03T19:59:51Z
  audio: Alone
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 78.148
    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: 0.452
    additional property: Energy
      type: PropertyValue
      value: 0.614
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.104
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.335
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.432
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.082
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: そのままの君でいて
  type: MusicRecording
  duration: PT4M35S
  duration ms: 275693
  explicit: false
  by artist: Mayo Okamoto
  in album: RISE 1～BEST～
    type: MusicAlbum
    date published: 2000
  genre: j-pop
  genre: kayokyoku
  isrc code: JPTK09600970
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T05:14:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x83c722184f08374bc43a2fe016039a20e1e2579989f2fa4c32dbd2420cdb82ee
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958377
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: そのままの君でいて

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958377

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTK09600970

OTSTimestamp
type: PropertyValue
value: 2026-07-17T08:58:27Z

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 0x83c722184f08374bc43a2fe016039a20e1e2579989f2fa4c32dbd2420cdb82ee. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T08:58:27Z), 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/JPTK09600970.
date published: 2026-07-17T08:58:27Z

そのままの君でいて
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 133.848
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.632
additional property: Energy
  type: PropertyValue
  value: 0.889
additional property: Speechiness
  type: PropertyValue
  value: 0.028
additional property: Acousticness
  type: PropertyValue
  value: 0.116
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.162
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.823
additional property: Loudness (dB)
  type: PropertyValue
  value: -3.298
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

Rise 1 Best
type: MusicAlbum
date published: 2000

RISE 1～BEST～
type: MusicAlbum
date published: 2000

RISEⅠ
type: MusicAlbum
date published: 2000-05-31
track: Alone
  type: MusicRecording
  duration: PT5M37S
  duration ms: 337133
  explicit: false
  by artist: Mayo Okamoto
  in album: RISEⅠ
    type: MusicAlbum
    date published: 2000-05-31
  genre: j-pop
  genre: kayokyoku
  isrc code: JPTK09600960
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T09:26:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x75aa3c4d1f52fec894d5025f33e02361fff72862354b273e08bca2f8ea5c0510
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTK09600960
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:12:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75aa3c4d1f52fec894d5025f33e02361fff72862354b273e08bca2f8ea5c0510. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTK09600960.
    date published: 2026-07-05T01:12:41Z
  audio: Alone
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 78.13
    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: 0.457
    additional property: Energy
      type: PropertyValue
      value: 0.609
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.097
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.351
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.421
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.091
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: そのままの君でいて
  type: MusicRecording
  duration: PT4M35S
  duration ms: 275693
  explicit: false
  by artist: Mayo Okamoto
  in album: RISEⅠ
    type: MusicAlbum
    date published: 2000-05-31
  genre: j-pop
  genre: kayokyoku
  isrc code: JPTK09600970
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x83c722184f08374bc43a2fe016039a20e1e2579989f2fa4c32dbd2420cdb82ee
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958761
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958761
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTK09600970
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T20:39:18Z
  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 0x83c722184f08374bc43a2fe016039a20e1e2579989f2fa4c32dbd2420cdb82ee. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:39:18Z), 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/JPTK09600970.
    date published: 2026-07-19T20:39:18Z
  audio: そのままの君でいて
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 133.839
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.633
    additional property: Energy
      type: PropertyValue
      value: 0.882
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.117
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.259
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.85
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.253
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 大丈夫だよ
  type: MusicRecording
  duration: PT4M22S
  duration ms: 262800
  explicit: false
  by artist: Mayo Okamoto
  in album: RISEⅠ
    type: MusicAlbum
    date published: 2000-05-31
  genre: j-pop
  genre: kayokyoku
  isrc code: JPTK09807030
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T15:13:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe7ad01f1af9d2ac3aafd181697e74d1d4357df618c6c74915b33d3b026e50222
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956822
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956822
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: 大丈夫だよ
track: Everlasting
track: 宝物
track: この星空の彼方
track: Will…

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTK09807030

OTSTimestamp
type: PropertyValue
value: 2026-07-05T18:48:28Z

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 0xe7ad01f1af9d2ac3aafd181697e74d1d4357df618c6c74915b33d3b026e50222. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/JPTK09807030.
date published: 2026-07-05T18:48:28Z

大丈夫だよ
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 108.996
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.741
additional property: Energy
  type: PropertyValue
  value: 0.684
additional property: Speechiness
  type: PropertyValue
  value: 0.027
additional property: Acousticness
  type: PropertyValue
  value: 0.273
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.329
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.939
additional property: Loudness (dB)
  type: PropertyValue
  value: -4.086
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

Everlasting
type: MusicRecording
duration: PT5M37S
duration ms: 337400
explicit: false
by artist: Mayo Okamoto
in album: RISEⅠ
  type: MusicAlbum
  date published: 2000-05-31
genre: j-pop
genre: kayokyoku
isrc code: JPTK09803680
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T04:33:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdc39a908802c3a1992ee36c2ca9656d33a549ee0aa591d995a5556be66aa33a5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956738
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956738
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTK09803680
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T04:47:21Z
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 0xdc39a908802c3a1992ee36c2ca9656d33a549ee0aa591d995a5556be66aa33a5. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/JPTK09803680.
  date published: 2026-07-05T04:47:21Z
audio: Everlasting
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 84.899
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.507
  additional property: Energy
    type: PropertyValue
    value: 0.728
  additional property: Speechiness
    type: PropertyValue
    value: 0.028
  additional property: Acousticness
    type: PropertyValue
    value: 0.311
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.161
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.63
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.633
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

宝物
type: MusicRecording
duration: PT5M9S
duration ms: 309533
explicit: false
by artist: Mayo Okamoto
in album: RISEⅠ
  type: MusicAlbum
  date published: 2000-05-31
genre: j-pop
genre: kayokyoku
isrc code: JPTK09805740
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcfea6fc7f7f3c8bb3078903271155f73d105250f62171d97bdcfac4f9c20229d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958728
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958728
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTK09805740
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T12:24:55Z
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 0xcfea6fc7f7f3c8bb3078903271155f73d105250f62171d97bdcfac4f9c20229d. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/JPTK09805740.
  date published: 2026-07-19T12:24:55Z
audio: 宝物
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 89.917
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.735
  additional property: Energy
    type: PropertyValue
    value: 0.789
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.234
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.68
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.815
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.685
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

この星空の彼方
type: MusicRecording
duration: PT5M41S
duration ms: 341960
explicit: false
by artist: Mayo Okamoto
in album: RISEⅠ
  type: MusicAlbum
  date published: 2000-05-31
genre: j-pop
genre: kayokyoku
isrc code: JPTK09902990
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x67f620ffc4f67acc1067b4f0007b15f021958bfc251aed83a8bfd0a9c7995ee5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958832
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958832
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTK09902990
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T08:05:16Z
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 0x67f620ffc4f67acc1067b4f0007b15f021958bfc251aed83a8bfd0a9c7995ee5. Chain 2 (Bitcoin): anchored in block 958832 (2026-07-20T08:05:16Z), 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/JPTK09902990.
  date published: 2026-07-20T08:05:16Z
audio: この星空の彼方
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 151.871
  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: 0.532
  additional property: Energy
    type: PropertyValue
    value: 0.537
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.567
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.098
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.178
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.256
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Will…
type: MusicRecording
duration: PT4M45S
duration ms: 285373
explicit: false
by artist: Mayo Okamoto
in album: RISEⅠ
  type: MusicAlbum
  date published: 2000-05-31
genre: j-pop
genre: kayokyoku
isrc code: JPTK09701070
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T15:38:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x48d314a7d0b783318d0a4b14d0a51a3eda847643a5e655376cf70b849f5b6e3d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958170
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958170
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTK09701070
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T16:21:50Z
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 0x48d314a7d0b783318d0a4b14d0a51a3eda847643a5e655376cf70b849f5b6e3d. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T16:21:50Z), 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/JPTK09701070.
  date published: 2026-07-15T16:21:50Z
audio: Will…
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 77.9
  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: 0.535
  additional property: Energy
    type: PropertyValue
    value: 0.532
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.694
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.514
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.113
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

RISE 1
type: MusicAlbum
date published: 2000-05-31

RISE 1
type: MusicAlbum
date published: 2000-05-31
track: Everlasting
  type: MusicRecording
  duration: PT5M37S
  duration ms: 337400
  explicit: false
  by artist: Mayo Okamoto
  in album: RISE 1
    type: MusicAlbum
    date published: 2000-05-31
  genre: j-pop
  genre: kayokyoku
  isrc code: JPTK09803680
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T04:33:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdc39a908802c3a1992ee36c2ca9656d33a549ee0aa591d995a5556be66aa33a5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956474
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956474
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTK09803680
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T08:56:35Z
  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 0xdc39a908802c3a1992ee36c2ca9656d33a549ee0aa591d995a5556be66aa33a5. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/JPTK09803680.
    date published: 2026-07-03T08:56:35Z
  audio: Everlasting
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 84.924
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.547
    additional property: Energy
      type: PropertyValue
      value: 0.739
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.334
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.136
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.624
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.654
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 宝物
  type: MusicRecording
  duration: PT5M9S
  duration ms: 309533
  explicit: false
  by artist: Mayo Okamoto
  in album: RISE 1
    type: MusicAlbum
    date published: 2000-05-31
  genre: j-pop
  genre: kayokyoku
  isrc code: JPTK09805740
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T21:57:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcfea6fc7f7f3c8bb3078903271155f73d105250f62171d97bdcfac4f9c20229d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958373
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958373
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTK09805740
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T06:09:33Z
  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
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RISE 1
type: MusicAlbum
date published: 2000-05-31

ハピハピ バースディ
type: MusicAlbum
date published: 2001-12-21

ハピハピ バースディ
type: MusicAlbum
date published: 2001-12-21

Dear…
type: MusicAlbum
date published: 2002-03-13

Dear…
type: MusicAlbum
date published: 2002-03-13

Dear…
type: MusicAlbum
date published: 2002-03-20

Dear…
type: MusicAlbum
date published: 2002-03-20

Dear・・・
type: MusicAlbum
date published: 2002-03-20

Life
type: MusicAlbum
date published: 2003-01-22

Life
type: MusicAlbum
date published: 2003-01-22

Life
type: MusicAlbum
date published: 2003-01-22

愛という名の花
type: MusicAlbum
date published: 2003-03-19

愛という名の花
type: MusicAlbum
date published: 2003-03-19

愛という名の花
type: MusicAlbum
date published: 2003-03-19

もう一度あの頃の空を・・・
type: MusicAlbum
date published: 2003-10-22

もう一度あの頃の空を・・・
type: MusicAlbum
date published: 2003-10-22

もう一度あの頃の空を・・・
type: MusicAlbum
date published: 2003-10-22

Destiny
type: MusicAlbum
date published: 2008-08-06

seasons
type: MusicAlbum
date published: 2008-10-29

Crystal Scenery Ⅱ
type: MusicAlbum
date published: 2009-05-27

Crystal Scenery Ⅲ
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date published: 2009-11-25

My Favorites
type: MusicAlbum
date published: 2010-05-26

Close To You
type: MusicAlbum
date published: 2010-11-10

Tomorrow
type: MusicAlbum
date published: 2012-03-07

Love Story
type: MusicAlbum
date published: 2016-07-06
track: 未送信の恋
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-20T13:10:50Z
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track: Alone~featuring mayo on piano~
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-13T02:37:37Z
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Happy Days
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date published: 2018-10-10

笑顔のおまじない
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date published: 2019-07-31

旅人よ
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date published: 2020-01-16

旅人よ
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track: 旅人よ
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  genre: j-pop
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-19T06:43:29Z
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track: 離れていても
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-03T23:28:02Z
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岡本真夜 25th Anniversarry BEST ALBUM～Thanks a million～
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T21:02:00Z
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Crystal Scenery
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Crystal Scenery
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Crystal Scenery
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岡本真夜 25th“+1”ANNIVERSARY Concert 2021 〜Thanks a million〜
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-04T14:03:39Z
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カナリア
type: MusicAlbum
date published: 2022-12-08

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type: MusicAlbum
date published: 2025-07-16

雪に願いを〜cherish my love〜
type: MusicAlbum
date published: 2025-11-12