Umitaro Abe
type: MusicGroup
genre: japanese classical
popularity: 43
followers: 18948
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2981058ef7ba29be9f092adf76c9bf5888f850b757c3ea978df1a2af32233166
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/92e7617f-1025-4b2c-a4dc-890c916f782b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/92e7617f-1025-4b2c-a4dc-890c916f782b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/92e7617f-1025-4b2c-a4dc-890c916f782b
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 0x2981058ef7ba29be9f092adf76c9bf5888f850b757c3ea978df1a2af32233166. 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/92e7617f-1025-4b2c-a4dc-890c916f782b.json and https://artists.proofprofile.net/proofs/artist/92e7617f-1025-4b2c-a4dc-890c916f782b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
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album: 6, Rue des Filles du Calvaire, Paris
  type: MusicAlbum
  date published: 2008-03-19
album: 6, Rue des Filles du Calvaire, Paris
  type: MusicAlbum
  date published: 2008-03-19
album: 6, Rue des Filles du Calvaire, Paris
  type: MusicAlbum
  date published: 2008-03-19
album: SOUNDTRACK FOR D-BROS
  type: MusicAlbum
  date published: 2008-10-08
  track: 小花柄のジーグ オーボエとファゴットのための
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    duration: PT2M22S
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    explicit: false
    by artist: Umitaro Abe
    in album: SOUNDTRACK FOR D-BROS
      type: MusicAlbum
      date published: 2008-10-08
    genre: japanese classical
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    additional property: CopyrightID
    additional property: CopyrightStatus
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ920807327
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T10:01:46Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x090d287cedf81a29e1ea160f8ca2bc9afcb8aa73fce5a791db5fa4d25b81ec3d. 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/JPZ920807327.
      date published: 2026-07-05T10:01:46Z
    audio: 小花柄のジーグ オーボエとファゴットのための
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      additional property: Tempo (BPM)
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        type: PropertyValue
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      additional property: Mode (Major/Minor)
        type: PropertyValue
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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
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      additional property: Liveness
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      additional property: Valence (Positivity)
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      additional property: Key Name
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      additional property: Mode Name
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  track: カップルのためのワルツ (組曲『欲望の茶色い塊』より)
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    by artist: Umitaro Abe
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      type: MusicAlbum
      date published: 2008-10-08
    genre: japanese classical
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    additional property: CopyrightStatus
      type: PropertyValue
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    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ920807333
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T16:06:17Z
    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 0x4b5a1d5da0bdbd4cd2db1f5965446397902ba010826b2741970abdb1269960ac. Chain 2 (Bitcoin): anchored in block 958738 (2026-07-19T16:06:17Z), 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/JPZ920807333.
      date published: 2026-07-19T16:06:17Z
    audio: カップルのためのワルツ (組曲『欲望の茶色い塊』より)
      type: AudioObject
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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
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      additional property: Speechiness
        type: PropertyValue
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      additional property: Acousticness
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      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Cinemashka, chika-chika cinemashka
album: The Gardens -Chamber music for Clematis no Oka-
album: Cahier de musique / 音楽手帖
album: Cahier de musique
album: 「ペンギン・ハイウェイ」オリジナル・サウンドトラック
album: Le plus beau livre du monde | 世界で一番美しい本
album: 映画「雨を告げる漂流団地」Original Soundtrack
album: 星の王子さま サン=テグジュペリからの手紙 / Le petit prince Une lettre d'Antoine de Saint-Exupéry
album: 連続テレビ小説「らんまん」オリジナル・サウンドトラック
album: 連続テレビ小説「らんまん」オリジナル・サウンドトラック2
album: Boots
album: Mirror
album: Blanket
album: HOUSE
album: 連続テレビ小説「らんまん」オリジナル・サウンドトラック3
album: 碁盤斬り (Original Soundtrack)
album: Musical Portrait of Takashi Minamoto 01 : トゥルーカラーズ
album: Musical Portrait of Takashi Minamoto 02：グレースの履歴
album: Musical Portrait of Takashi Minamoto 03：ライジング若冲
album: Musical Portrait of Takashi Minamoto 04：忠臣蔵狂詩曲No.5 中村仲蔵 出世階段
album: Musical Portrait of Takashi Minamoto 05：令和元年版 怪談牡丹燈籠

Instrumentalness
type: PropertyValue
value: 0.913

Liveness
type: PropertyValue
value: 0.105

Valence (Positivity)
type: PropertyValue
value: 0.098

Loudness (dB)
type: PropertyValue
value: -15.815

Key Name
type: PropertyValue
value: Eb

Mode Name
type: PropertyValue
value: Major

SOUNDTRACK FOR D-BROS
type: MusicAlbum
date published: 2008-10-08

SOUNDTRACK FOR D-BROS
type: MusicAlbum
date published: 2008-10-08

Cinemashka, chika-chika cinemashka
type: MusicAlbum
date published: 2012-08-29

Cinemashka, chika-chika cinemashka
type: MusicAlbum
date published: 2012-08-29
track: Cinemashka, Chika-Chika Cinemashka
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  duration: PT3M23S
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  explicit: false
  by artist: Umitaro Abe
  in album: Cinemashka, chika-chika cinemashka
    type: MusicAlbum
    date published: 2012-08-29
  genre: japanese classical
  isrc code: JPZ921208356
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958228
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ921208356
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T05:05:25Z
  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 0x3a5cef973cd916d6f380ca22cc04250bd5a935c4f8875fc545ed16b206983277. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:05:25Z), 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/JPZ921208356.
    date published: 2026-07-16T05:05:25Z
  audio: Cinemashka, Chika-Chika Cinemashka
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.619
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
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    additional property: Loudness (dB)
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    additional property: Key Name
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      value: G
    additional property: Mode Name
      type: PropertyValue
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track: Oda Al Verano
  type: MusicRecording
  duration: PT1M43S
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  explicit: false
  by artist: Umitaro Abe
  in album: Cinemashka, chika-chika cinemashka
    type: MusicAlbum
    date published: 2012-08-29
  genre: japanese classical
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
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  additional property: OTSVerificationAPI
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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 0xf77506575f1f5178d78c5b1deb8b3256937f95896eeb9354171314d04b8e1bfc. 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/JPZ921208358.
    date published: 2026-07-04T10:04:33Z
  audio: Oda Al Verano
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    additional property: Tempo (BPM)
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      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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      type: PropertyValue
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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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track: Havanera De La Montagne (Piano Solo)
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  duration: PT2M30S
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  by artist: Umitaro Abe
  in album: Cinemashka, chika-chika cinemashka
    type: MusicAlbum
    date published: 2012-08-29
  genre: japanese classical
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Havanera De La Montagne (Piano Solo)

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ921208363

OTSTimestamp
type: PropertyValue
value: 2026-07-17T15:15:14Z

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 0x252137d017ed946b2f64a819947fa33503a28c083e0fc7ee691fef3ea5fb2945. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/JPZ921208363.
date published: 2026-07-17T15:15:14Z

Havanera De La Montagne (Piano Solo)
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additional property: Tempo (BPM)
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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
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additional property: Energy
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additional property: Speechiness
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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)
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additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
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Cinemashka, chika-chika cinemashka
type: MusicAlbum
date published: 2012-08-29

The Gardens -Chamber music for Clematis no Oka-
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date published: 2016-10-03
track: Tsuchikau
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    type: MusicAlbum
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    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/JPZ921309484
  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 0xf22becfbaa4c97039e66ef6941dbf3d4e1ccf385125137f6455a335a4335161e. 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/JPZ921309484.
    date published: 2026-07-05T01:12:41Z
  audio: Tsuchikau
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 112.113
    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: 0.66
    additional property: Energy
      type: PropertyValue
      value: 0.131
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.995
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.932
    additional property: Liveness
      type: PropertyValue
      value: 0.057
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.719
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.128
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Fanfare for TREEHOUSE
  type: MusicRecording
  duration: PT1M58S
  duration ms: 118453
  explicit: false
  by artist: Umitaro Abe
  in album: The Gardens -Chamber music for Clematis no Oka-
    type: MusicAlbum
    date published: 2016-10-03
  genre: japanese classical
  isrc code: JPZ921309488
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T03:21:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5da74c9f5c781260303a7c248af0870b8e79a597b64ab5d343f40f6ae8016d1a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958234
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958234
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ921309488
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T03:46:09Z
  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 0x5da74c9f5c781260303a7c248af0870b8e79a597b64ab5d343f40f6ae8016d1a. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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/JPZ921309488.
    date published: 2026-07-16T03:46:09Z
  audio: Fanfare for TREEHOUSE
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 92.502
    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: 0.812
    additional property: Energy
      type: PropertyValue
      value: 0.179
    additional property: Speechiness
      type: PropertyValue
      value: 0.044
    additional property: Acousticness
      type: PropertyValue
      value: 0.993
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.929
    additional property: Liveness
      type: PropertyValue
      value: 0.109
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.85
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.531
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Adagio molto
  type: MusicRecording
  duration: PT2M16S
  duration ms: 136000
  explicit: false
  by artist: Umitaro Abe
  in album: The Gardens -Chamber music for Clematis no Oka-
    type: MusicAlbum
    date published: 2016-10-03
  genre: japanese classical
  isrc code: JPZ921309489
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T02:29:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe7502121a9e4f1b6b193f4213f750c14f3c6f9386ba2f24a15e279e7b64acf60
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956772
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956772
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Adagio molto
track: Le jardin chez M. Elzeard Bouffier

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ921309489

OTSTimestamp
type: PropertyValue
value: 2026-07-05T10:01:46Z

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 0xe7502121a9e4f1b6b193f4213f750c14f3c6f9386ba2f24a15e279e7b64acf60. 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/JPZ921309489.
date published: 2026-07-05T10:01:46Z

Adagio molto
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 155.309
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 1
additional property: Danceability
  type: PropertyValue
  value: 0.11
additional property: Energy
  type: PropertyValue
  value: 0.112
additional property: Speechiness
  type: PropertyValue
  value: 0.045
additional property: Acousticness
  type: PropertyValue
  value: 0.922
additional property: Instrumentalness
  type: PropertyValue
  value: 0.665
additional property: Liveness
  type: PropertyValue
  value: 0.113
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.038
additional property: Loudness (dB)
  type: PropertyValue
  value: -19.59
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

Le jardin chez M. Elzeard Bouffier
type: MusicRecording
duration: PT1M38S
duration ms: 98213
explicit: false
by artist: Umitaro Abe
in album: The Gardens -Chamber music for Clematis no Oka-
  type: MusicAlbum
  date published: 2016-10-03
genre: japanese classical
isrc code: JPZ921309490
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T09:55:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4dc1f048be4442aac4dd3595b107922210cb883358c11dfe40ca05854b674047
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ921309490
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T10:29:45Z
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 0x4dc1f048be4442aac4dd3595b107922210cb883358c11dfe40ca05854b674047. Chain 2 (Bitcoin): anchored in block 958397 (2026-07-17T10:29:45Z), 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/JPZ921309490.
  date published: 2026-07-17T10:29:45Z
audio: Le jardin chez M. Elzeard Bouffier
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 75.272
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 1
  additional property: Danceability
    type: PropertyValue
    value: 0.648
  additional property: Energy
    type: PropertyValue
    value: 0.005
  additional property: Speechiness
    type: PropertyValue
    value: 0.07
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.974
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.416
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.531
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Gardens -Chamber music for Clematis no Oka-
type: MusicAlbum
date published: 2016-10-03

The Gardens -Chamber music for Clematis no Oka-
type: MusicAlbum
date published: 2016-10-03

Cahier de musique / 音楽手帖
type: MusicAlbum
date published: 2016-12-21

Cahier de musique
type: MusicAlbum
date published: 2016-12-21

Cahier de musique / 音楽手帖
type: MusicAlbum
date published: 2016-12-21
track: Dans l amandier en fleur
  type: MusicRecording
  duration: PT1M13S
  duration ms: 73040
  explicit: false
  by artist: Umitaro Abe
  in album: Cahier de musique / 音楽手帖
    type: MusicAlbum
    date published: 2016-12-21
  genre: japanese classical
  isrc code: JPZ921612260
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T09:45:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe463bb4cc5dd334b8275386f0d17039c8777f29bb724a4d58430e35fb2834bac
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958140
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958140
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ921612260
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T12:47:23Z
  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 0xe463bb4cc5dd334b8275386f0d17039c8777f29bb724a4d58430e35fb2834bac. Chain 2 (Bitcoin): anchored in block 958140 (2026-07-15T12:47:23Z), 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/JPZ921612260.
    date published: 2026-07-15T12:47:23Z
  audio: Dans l amandier en fleur
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 82.327
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.417
    additional property: Energy
      type: PropertyValue
      value: 0.091
    additional property: Speechiness
      type: PropertyValue
      value: 0.056
    additional property: Acousticness
      type: PropertyValue
      value: 0.916
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.785
    additional property: Liveness
      type: PropertyValue
      value: 0.12
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.145
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.713
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Gavotte
  type: MusicRecording
  duration: PT0M37S
  duration ms: 37253
  explicit: false
  by artist: Umitaro Abe
  in album: Cahier de musique / 音楽手帖
    type: MusicAlbum
    date published: 2016-12-21
  genre: japanese classical
  isrc code: JPZ921612263
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T18:30:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xca693e795df21d28390dfa99f039b30e2285e177df64f30270a1dfde2f6d7d77
  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/JPZ921612263
  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 0xca693e795df21d28390dfa99f039b30e2285e177df64f30270a1dfde2f6d7d77. 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/JPZ921612263.
    date published: 2026-07-05T01:12:41Z
  audio: Gavotte
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 141.79
    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: 0.691
    additional property: Energy
      type: PropertyValue
      value: 0.078
    additional property: Speechiness
      type: PropertyValue
      value: 0.178
    additional property: Acousticness
      type: PropertyValue
      value: 0.966
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.539
    additional property: Liveness
      type: PropertyValue
      value: 0.092
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.478
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.317
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Edward Heathrow
  type: MusicRecording
  duration: PT2M15S
  duration ms: 135506
  explicit: false
  by artist: Umitaro Abe
  in album: Cahier de musique / 音楽手帖
    type: MusicAlbum
    date published: 2016-12-21
  genre: japanese classical
  isrc code: JPZ921612264
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-02T23:54:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x229ec902a64b337cc74dc63d012e65562722f766395af605ac628d904d2bc5f9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956422
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956422
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Edward Heathrow
track: Boite a biscuits

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ921612264

OTSTimestamp
type: PropertyValue
value: 2026-07-03T01:01:38Z

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 0x229ec902a64b337cc74dc63d012e65562722f766395af605ac628d904d2bc5f9. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/JPZ921612264.
date published: 2026-07-03T01:01:38Z

Edward Heathrow
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 59.198
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.519
additional property: Energy
  type: PropertyValue
  value: 0.063
additional property: Speechiness
  type: PropertyValue
  value: 0.061
additional property: Acousticness
  type: PropertyValue
  value: 0.962
additional property: Instrumentalness
  type: PropertyValue
  value: 0.908
additional property: Liveness
  type: PropertyValue
  value: 0.114
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.332
additional property: Loudness (dB)
  type: PropertyValue
  value: -18.576
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Minor

Boite a biscuits
type: MusicRecording
duration: PT1M32S
duration ms: 92813
explicit: false
by artist: Umitaro Abe
in album: Cahier de musique / 音楽手帖
  type: MusicAlbum
  date published: 2016-12-21
genre: japanese classical
isrc code: JPZ921612265
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-30T01:08:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x09b85c748f989ca61c0c1d5d4652c1a26a19e6d0d0fb5200716296e53f2ebc06
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ921612265
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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 0x09b85c748f989ca61c0c1d5d4652c1a26a19e6d0d0fb5200716296e53f2ebc06. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/JPZ921612265.
  date published: 2026-07-02T05:09:12Z
audio: Boite a biscuits
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  additional property: Energy
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  additional property: Instrumentalness
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Cahier de musique / 音楽手帖
type: MusicAlbum
date published: 2016-12-21

「ペンギン・ハイウェイ」オリジナル・サウンドトラック
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date published: 2018-08-15
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
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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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc35985e27118fc9f6fdb7d5f5d0658e934431eca60d9e14fd61f99d7471a452e. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/JPU901802121.
    date published: 2026-07-17T19:12:23Z
  audio: マドンナ
    type: AudioObject
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Acousticness
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track: お姉さん
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    date published: 2018-08-15
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  additional property: OTSVerificationAPI
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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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x279b6e734755eb1e4fec912e0f6d6ada420a06bde26f374e9638c9c3a11b7482. Chain 2 (Bitcoin): anchored in block 959023 (2026-07-21T17:39:50Z), 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/JPU901802122.
    date published: 2026-07-21T17:39:50Z
  audio: お姉さん
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track: 海辺のカフェ
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  additional property: OTSVerificationAPI
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  subject of: OpenTimestamps Proof of Existence
  audio: 海辺のカフェ
track: 海辺の街へ
track: 誰もいない街
track: これからの研究課題

OTSVerificationAPI
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPU901802129

OTSTimestamp
type: PropertyValue
value: 2026-07-03T08:56:35Z

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 0x7b6fdce03d749a47574613cc693e224cc339e0633769706a4f9d635b06fd2469. 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/JPU901802129.
date published: 2026-07-03T08:56:35Z

海辺のカフェ
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additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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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
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additional property: Instrumentalness
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additional property: Valence (Positivity)
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additional property: Key Name
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海辺の街へ
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duration: PT1M34S
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by artist: Umitaro Abe
in album: 「ペンギン・ハイウェイ」オリジナル・サウンドトラック
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  date published: 2018-08-15
genre: japanese classical
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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: 2026-07-05T18:48:28Z
audio: 海辺の街へ
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誰もいない街
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in album: 「ペンギン・ハイウェイ」オリジナル・サウンドトラック
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genre: japanese classical
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9abbcb4b8645f284fa1fa863dcfafaede7d7c04a1b0391c63331bb57da47123e. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/JPU901802146.
  date published: 2026-07-16T16:14:30Z
audio: 誰もいない街
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これからの研究課題
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genre: japanese classical
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-03T01:01:38Z
audio: これからの研究課題
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「ペンギン・ハイウェイ」オリジナル・サウンドトラック
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Le plus beau livre du monde | 世界で一番美しい本
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date published: 2020-10-07

Le plus beau livre du monde | 世界で一番美しい本
type: MusicAlbum
date published: 2020-10-07

Le plus beau livre du monde | 世界で一番美しい本
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date published: 2020-10-07
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  additional property: CopyrightRegisteredAt
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    value: 2026-07-05T22:31:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x73314bce61ec6e135546cae3eac5135385cbb3df481dc5cad63425e26815417d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956857
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956857
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ922009136
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T01:26:17Z
  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 0x73314bce61ec6e135546cae3eac5135385cbb3df481dc5cad63425e26815417d. 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/JPZ922009136.
    date published: 2026-07-06T01:26:17Z
  audio: Mai -Cavalcade
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 87.18
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.689
    additional property: Energy
      type: PropertyValue
      value: 0.045
    additional property: Speechiness
      type: PropertyValue
      value: 0.067
    additional property: Acousticness
      type: PropertyValue
      value: 0.994
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.694
    additional property: Liveness
      type: PropertyValue
      value: 0.084
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.493
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.947
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Juin -Les mains
  type: MusicRecording
  duration: PT1M55S
  duration ms: 115876
  explicit: false
  by artist: Umitaro Abe
  in album: Le plus beau livre du monde | 世界で一番美しい本
    type: MusicAlbum
    date published: 2020-10-07
  genre: japanese classical
  isrc code: JPZ922009137
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T09:39:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc563df008f6589e6ea70a36d625b3c107e398c052bba3fece9a74c0a33f2767b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958857
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958857
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ922009137
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T09:45:25Z
  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 0xc563df008f6589e6ea70a36d625b3c107e398c052bba3fece9a74c0a33f2767b. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T09:45:25Z), 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/JPZ922009137.
    date published: 2026-07-20T09:45:25Z
  audio: Juin -Les mains
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 105.226
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.197
    additional property: Energy
      type: PropertyValue
      value: 0.207
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.996
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.919
    additional property: Liveness
      type: PropertyValue
      value: 0.114
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.134
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.238
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

映画「雨を告げる漂流団地」Original Soundtrack
type: MusicAlbum
date published: 2022-09-21
track: 追想
  type: MusicRecording
  duration: PT1M11S
  duration ms: 71172
  explicit: false
  by artist: Umitaro Abe
  in album: 映画「雨を告げる漂流団地」Original Soundtrack
    type: MusicAlbum
    date published: 2022-09-21
  genre: japanese classical
  isrc code: JPT592210465
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T12:21:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0ba5e42f8acf6b9d43377703bb9ce8d11f674b64e873da636badabd4031c5c01
  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
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPT592210465
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T18:48:28Z
  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 0x0ba5e42f8acf6b9d43377703bb9ce8d11f674b64e873da636badabd4031c5c01. 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/JPT592210465.
    date published: 2026-07-05T18:48:28Z
  audio: 追想
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 126.07
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.51
    additional property: Energy
      type: PropertyValue
      value: 0.046
    additional property: Speechiness
      type: PropertyValue
      value: 0.042
    additional property: Acousticness
      type: PropertyValue
      value: 0.945
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.114
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.346
    additional property: Loudness (dB)
      type: PropertyValue
      value: -26.626
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 少年の願い
  type: MusicRecording
  duration: PT4M35S
  duration ms: 275178
  explicit: false
  by artist: Umitaro Abe
  in album: 映画「雨を告げる漂流団地」Original Soundtrack
    type: MusicAlbum
    date published: 2022-09-21
  genre: japanese classical
  isrc code: JPT592210476
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T13:01:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfc43f18080a40935b4d229073d292c2159ba31323d96e4711a579009a29adadb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958889
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958889
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPT592210476
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T16:02:04Z
  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 0xfc43f18080a40935b4d229073d292c2159ba31323d96e4711a579009a29adadb. Chain 2 (Bitcoin): anchored in block 958889 (2026-07-20T16:02:04Z), 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/JPT592210476.
    date published: 2026-07-20T16:02:04Z
  audio: 少年の願い
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 135.282
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.367
    additional property: Energy
      type: PropertyValue
      value: 0.199
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.826
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.544
    additional property: Liveness
      type: PropertyValue
      value: 0.103
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.066
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.462
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

星の王子さま サン=テグジュペリからの手紙 / Le petit prince Une lettre d'Antoine de Saint-Exupéry
type: MusicAlbum
date published: 2023-02-15

連続テレビ小説「らんまん」オリジナル・サウンドトラック
type: MusicAlbum
date published: 2023-05-24
track: ササユリ
  type: MusicRecording
  duration: PT2M16S
  duration ms: 136413
  explicit: false
  by artist: Umitaro Abe
  in album: 連続テレビ小説「らんまん」オリジナル・サウンドトラック
    type: MusicAlbum
    date published: 2023-05-24
  genre: japanese classical
  isrc code: JPCO02308350
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T15:18:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9ee94c6af21cfc0473f1494e563d62db237b6c50631959fb5711da62f110131c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958908
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958908
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO02308350
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T18:20:21Z
  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 0x9ee94c6af21cfc0473f1494e563d62db237b6c50631959fb5711da62f110131c. Chain 2 (Bitcoin): anchored in block 958908 (2026-07-20T18:20:21Z), 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/JPCO02308350.
    date published: 2026-07-20T18:20:21Z
  audio: ササユリ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 88.011
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.209
    additional property: Energy
      type: PropertyValue
      value: 0.104
    additional property: Speechiness
      type: PropertyValue
      value: 0.045
    additional property: Acousticness
      type: PropertyValue
      value: 0.874
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.812
    additional property: Liveness
      type: PropertyValue
      value: 0.056
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.067
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.518
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: ヨコグラノキ
  type: MusicRecording
  duration: PT1M27S
  duration ms: 87000
  explicit: false
  by artist: Umitaro Abe
  in album: 連続テレビ小説「らんまん」オリジナル・サウンドトラック
    type: MusicAlbum
    date published: 2023-05-24
  genre: japanese classical
  isrc code: JPCO02308370
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T12:39:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7f6a3734d5b9716df3ce7830134077c0a07cc40dd6ec248546ff52cd4261f397
  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/JPCO02308370
  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 0x7f6a3734d5b9716df3ce7830134077c0a07cc40dd6ec248546ff52cd4261f397. 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/JPCO02308370.
    date published: 2026-07-05T01:12:41Z
  audio: ヨコグラノキ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 134.124
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.579
    additional property: Energy
      type: PropertyValue
      value: 0.013
    additional property: Speechiness
      type: PropertyValue
      value: 0.09
    additional property: Acousticness
      type: PropertyValue
      value: 0.995
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.961
    additional property: Liveness
      type: PropertyValue
      value: 0.105
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.523
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.043
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: オオゴカヨウオウレン
  type: MusicRecording
  duration: PT2M29S
  duration ms: 149080
  explicit: false
  by artist: Umitaro Abe
  in album: 連続テレビ小説「らんまん」オリジナル・サウンドトラック
    type: MusicAlbum
    date published: 2023-05-24
  genre: japanese classical
  isrc code: JPCO02308390
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T12:35:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd839b269bf43561166d8c643a2ef90c38161b8135467173c10a5049abd92b509
  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
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: オオゴカヨウオウレン
track: ツチトリモチ
track: バイカオウレン

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO02308390

OTSTimestamp
type: PropertyValue
value: 2026-07-05T01:12:41Z

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 0xd839b269bf43561166d8c643a2ef90c38161b8135467173c10a5049abd92b509. 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/JPCO02308390.
date published: 2026-07-05T01:12:41Z

オオゴカヨウオウレン
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 71.272
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: 0.103
additional property: Energy
  type: PropertyValue
  value: 0.131
additional property: Speechiness
  type: PropertyValue
  value: 0.043
additional property: Acousticness
  type: PropertyValue
  value: 0.911
additional property: Instrumentalness
  type: PropertyValue
  value: 0.799
additional property: Liveness
  type: PropertyValue
  value: 0.129
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.039
additional property: Loudness (dB)
  type: PropertyValue
  value: -18.598
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

ツチトリモチ
type: MusicRecording
duration: PT2M12S
duration ms: 132053
explicit: false
by artist: Umitaro Abe
in album: 連続テレビ小説「らんまん」オリジナル・サウンドトラック
  type: MusicAlbum
  date published: 2023-05-24
genre: japanese classical
isrc code: JPCO02308460
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T09:13:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5be896e28ce0ea92e602cc5a6de7a043774f42ba0ab50907ea7d7743f586ae74
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956576
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956576
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO02308460
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T02:06:47Z
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 0x5be896e28ce0ea92e602cc5a6de7a043774f42ba0ab50907ea7d7743f586ae74. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/JPCO02308460.
  date published: 2026-07-04T02:06:47Z
audio: ツチトリモチ
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 72.873
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 1
  additional property: Danceability
    type: PropertyValue
    value: 0.713
  additional property: Energy
    type: PropertyValue
    value: 0
  additional property: Speechiness
    type: PropertyValue
    value: 0.562
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.852
  additional property: Liveness
    type: PropertyValue
    value: 0.052
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0
  additional property: Loudness (dB)
    type: PropertyValue
    value: -37.106
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

バイカオウレン
type: MusicRecording
duration: PT1M43S
duration ms: 103946
explicit: false
by artist: Umitaro Abe
in album: 連続テレビ小説「らんまん」オリジナル・サウンドトラック
  type: MusicAlbum
  date published: 2023-05-24
genre: japanese classical
isrc code: JPCO02308530
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T10:20:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcce3f10964dd7520dae253ff398c034bd567052fa7effcbf2f53d66318fb3d1f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958867
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958867
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO02308530
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T13:22:40Z
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 0xcce3f10964dd7520dae253ff398c034bd567052fa7effcbf2f53d66318fb3d1f. Chain 2 (Bitcoin): anchored in block 958867 (2026-07-20T13:22:40Z), 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/JPCO02308530.
  date published: 2026-07-20T13:22:40Z
audio: バイカオウレン
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.595
  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: 0.648
  additional property: Energy
    type: PropertyValue
    value: 0.038
  additional property: Speechiness
    type: PropertyValue
    value: 0.129
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.941
  additional property: Liveness
    type: PropertyValue
    value: 0.073
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.357
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.543
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

連続テレビ小説「らんまん」オリジナル・サウンドトラック2
type: MusicAlbum
date published: 2023-08-09

Boots
type: MusicAlbum
date published: 2023-08-16

Mirror
type: MusicAlbum
date published: 2023-08-30
track: Mirror
  type: MusicRecording
  duration: PT2M1S
  duration ms: 121680
  explicit: false
  by artist: Umitaro Abe
  in album: Mirror
    type: MusicAlbum
    date published: 2023-08-30
  genre: japanese classical
  isrc code: JPZ922306182
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T03:18:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3b6886d63aaf320a2d12c1b0c0edb7c5a38b084e4672a52264fae7488daa1096
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956484
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956484
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ922306182
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T10:47:44Z
  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 0x3b6886d63aaf320a2d12c1b0c0edb7c5a38b084e4672a52264fae7488daa1096. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/JPZ922306182.
    date published: 2026-07-03T10:47:44Z
  audio: Mirror
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 74.854
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.277
    additional property: Energy
      type: PropertyValue
      value: 0.006
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.994
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.751
    additional property: Liveness
      type: PropertyValue
      value: 0.102
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.065
    additional property: Loudness (dB)
      type: PropertyValue
      value: -27.337
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Blanket
type: MusicAlbum
date published: 2023-09-13

HOUSE
type: MusicAlbum
date published: 2023-09-20
track: Mirror
  type: MusicRecording
  duration: PT2M1S
  duration ms: 121680
  explicit: false
  by artist: Umitaro Abe
  in album: HOUSE
    type: MusicAlbum
    date published: 2023-09-20
  genre: japanese classical
  isrc code: JPZ922306182
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T03:18:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3b6886d63aaf320a2d12c1b0c0edb7c5a38b084e4672a52264fae7488daa1096
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956656
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956656
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ922306182
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T14:03:39Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b6886d63aaf320a2d12c1b0c0edb7c5a38b084e4672a52264fae7488daa1096. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ922306182.
    date published: 2026-07-04T14:03:39Z
  audio: Mirror
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 72.479
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.235
    additional property: Energy
      type: PropertyValue
      value: 0.006
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.994
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.902
    additional property: Liveness
      type: PropertyValue
      value: 0.102
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.068
    additional property: Loudness (dB)
      type: PropertyValue
      value: -27.309
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Postcard
  type: MusicRecording
  duration: PT2M59S
  duration ms: 179533
  explicit: false
  by artist: Umitaro Abe
  in album: HOUSE
    type: MusicAlbum
    date published: 2023-09-20
  genre: japanese classical
  isrc code: JPZ922306184
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T17:19:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb62062527699f52796985518527aa37042ff67df689f4456b492a9f667ef4efe
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958765
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958765
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ922306184
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T20:22:17Z
  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 0xb62062527699f52796985518527aa37042ff67df689f4456b492a9f667ef4efe. Chain 2 (Bitcoin): anchored in block 958765 (2026-07-19T20:22:17Z), 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/JPZ922306184.
    date published: 2026-07-19T20:22:17Z
  audio: Postcard
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 78.314
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.437
    additional property: Energy
      type: PropertyValue
      value: 0.021
    additional property: Speechiness
      type: PropertyValue
      value: 0.057
    additional property: Acousticness
      type: PropertyValue
      value: 0.992
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.005
    additional property: Liveness
      type: PropertyValue
      value: 0.235
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.622
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.88
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Blanket
  type: MusicRecording
  duration: PT2M24S
  duration ms: 144000
  explicit: false
  by artist: Umitaro Abe
  in album: HOUSE
    type: MusicAlbum
    date published: 2023-09-20
  genre: japanese classical
  isrc code: JPZ922306185
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T02:10:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x90bb9a44cd72dade0c8d2f714da520eb8bbd409aaed2768e8a6c1227c2bba395
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958644
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958644
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Blanket
track: Globe
track: Model ship
track: Amber
track: Pillow

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ922306185

OTSTimestamp
type: PropertyValue
value: 2026-07-19T02:21:25Z

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 0x90bb9a44cd72dade0c8d2f714da520eb8bbd409aaed2768e8a6c1227c2bba395. Chain 2 (Bitcoin): anchored in block 958644 (2026-07-19T02:21:25Z), 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/JPZ922306185.
date published: 2026-07-19T02:21:25Z

Blanket
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 125.451
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 3
additional property: Danceability
  type: PropertyValue
  value: 0.518
additional property: Energy
  type: PropertyValue
  value: 0.055
additional property: Speechiness
  type: PropertyValue
  value: 0.041
additional property: Acousticness
  type: PropertyValue
  value: 0.987
additional property: Instrumentalness
  type: PropertyValue
  value: 0.001
additional property: Liveness
  type: PropertyValue
  value: 0.103
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.163
additional property: Loudness (dB)
  type: PropertyValue
  value: -17.286
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Globe
type: MusicRecording
duration: PT4M53S
duration ms: 293480
explicit: false
by artist: Umitaro Abe
in album: HOUSE
  type: MusicAlbum
  date published: 2023-09-20
genre: japanese classical
isrc code: JPZ922306187
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T02:18:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaef3aeaa0656abf9dd8bb23376ae269bedbdb048bcb4c4a61622640f5d9295d2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958690
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958690
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ922306187
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T07:14:39Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaef3aeaa0656abf9dd8bb23376ae269bedbdb048bcb4c4a61622640f5d9295d2. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ922306187.
  date published: 2026-07-19T07:14:39Z
audio: Globe
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 72.768
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.517
  additional property: Energy
    type: PropertyValue
    value: 0.035
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.116
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.13
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.149
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Model ship
type: MusicRecording
duration: PT3M17S
duration ms: 197800
explicit: false
by artist: Umitaro Abe
in album: HOUSE
  type: MusicAlbum
  date published: 2023-09-20
genre: japanese classical
isrc code: JPZ922306188
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T07:38:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe3564e0c1541fae47b1a7ae0e181ca77ad9585f77a64471ab5fcc294a4584fb2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956772
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956772
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ922306188
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T10:01:46Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3564e0c1541fae47b1a7ae0e181ca77ad9585f77a64471ab5fcc294a4584fb2. 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/JPZ922306188.
  date published: 2026-07-05T10:01:46Z
audio: Model ship
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.817
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.581
  additional property: Energy
    type: PropertyValue
    value: 0.113
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.38
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.152
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.355
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Amber
type: MusicRecording
duration: PT2M54S
duration ms: 174133
explicit: false
by artist: Umitaro Abe
in album: HOUSE
  type: MusicAlbum
  date published: 2023-09-20
genre: japanese classical
isrc code: JPZ922306191
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T12:38:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb983617af9b0435aa04e5fe9ed1590dedf2df650d8b4f7b041e471d182df2344
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958300
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958300
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ922306191
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T16:14:30Z
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 0xb983617af9b0435aa04e5fe9ed1590dedf2df650d8b4f7b041e471d182df2344. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/JPZ922306191.
  date published: 2026-07-16T16:14:30Z
audio: Amber
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 83.743
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.624
  additional property: Energy
    type: PropertyValue
    value: 0.038
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.379
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.401
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Pillow
type: MusicRecording
duration: PT2M30S
duration ms: 150320
explicit: false
by artist: Umitaro Abe
in album: HOUSE
  type: MusicAlbum
  date published: 2023-09-20
genre: japanese classical
isrc code: JPZ922306192
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T14:02:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x424c243fa26738711f2ac51677653be8cc14aff8bde8dca44bcb228215030bdc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959023
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959023
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ922306192
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T17:05:34Z
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 0x424c243fa26738711f2ac51677653be8cc14aff8bde8dca44bcb228215030bdc. Chain 2 (Bitcoin): anchored in block 959023 (2026-07-21T17:05:34Z), 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/JPZ922306192.
  date published: 2026-07-21T17:05:34Z
audio: Pillow
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 68.669
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.182
  additional property: Energy
    type: PropertyValue
    value: 0.052
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.85
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.709
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.032
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.442
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

連続テレビ小説「らんまん」オリジナル・サウンドトラック3
type: MusicAlbum
date published: 2023-10-11
track: イカリソウ
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171040
  explicit: false
  by artist: Umitaro Abe
  in album: 連続テレビ小説「らんまん」オリジナル・サウンドトラック3
    type: MusicAlbum
    date published: 2023-10-11
  genre: japanese classical
  isrc code: JPCO02328470
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T12:38:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdfe22c43b5ee6884f45c960799add76c3306a2c1c03cc2d6583f4a27c581d120
  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/JPCO02328470
  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 0xdfe22c43b5ee6884f45c960799add76c3306a2c1c03cc2d6583f4a27c581d120. 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/JPCO02328470.
    date published: 2026-07-05T01:12:41Z
  audio: イカリソウ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 150.35
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.264
    additional property: Energy
      type: PropertyValue
      value: 0.281
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.959
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.879
    additional property: Liveness
      type: PropertyValue
      value: 0.097
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.099
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.298
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: スエコザサ
  type: MusicRecording
  duration: PT1M58S
  duration ms: 118613
  explicit: false
  by artist: Umitaro Abe
  in album: 連続テレビ小説「らんまん」オリジナル・サウンドトラック3
    type: MusicAlbum
    date published: 2023-10-11
  genre: japanese classical
  isrc code: JPCO02328580
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T13:57:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdb735a12840babb92309a9992a0924f841026174d45c2f4de72ce8a63b9c1209
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958430
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958430
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO02328580
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T15:33:28Z
  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 0xdb735a12840babb92309a9992a0924f841026174d45c2f4de72ce8a63b9c1209. Chain 2 (Bitcoin): anchored in block 958430 (2026-07-17T15:33:28Z), 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/JPCO02328580.
    date published: 2026-07-17T15:33:28Z
  audio: スエコザサ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 142.724
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.227
    additional property: Energy
      type: PropertyValue
      value: 0.131
    additional property: Speechiness
      type: PropertyValue
      value: 0.044
    additional property: Acousticness
      type: PropertyValue
      value: 0.988
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.002
    additional property: Liveness
      type: PropertyValue
      value: 0.094
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.047
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.929
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: セリバオウレン
  type: MusicRecording
  duration: PT2M5S
  duration ms: 125506
  explicit: false
  by artist: Umitaro Abe
  in album: 連続テレビ小説「らんまん」オリジナル・サウンドトラック3
    type: MusicAlbum
    date published: 2023-10-11
  genre: japanese classical
  isrc code: JPCO02328680
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T13:39:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6af936ed6524d98c0c991cc761781729d30039bddc4f868a2c531d27583669e9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958749
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958749
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: セリバオウレン

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO02328680

OTSTimestamp
type: PropertyValue
value: 2026-07-19T16:42:04Z

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 0x6af936ed6524d98c0c991cc761781729d30039bddc4f868a2c531d27583669e9. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T16:42:04Z), 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/JPCO02328680.
date published: 2026-07-19T16:42:04Z

セリバオウレン
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 81.625
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: 0.079
additional property: Energy
  type: PropertyValue
  value: 0.202
additional property: Speechiness
  type: PropertyValue
  value: 0.04
additional property: Acousticness
  type: PropertyValue
  value: 0.952
additional property: Instrumentalness
  type: PropertyValue
  value: 0.918
additional property: Liveness
  type: PropertyValue
  value: 0.1
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.038
additional property: Loudness (dB)
  type: PropertyValue
  value: -15.524
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

碁盤斬り (Original Soundtrack)
type: MusicAlbum
date published: 2024-05-08
track: Gobangiri I
  type: MusicRecording
  duration: PT1M44S
  duration ms: 104160
  explicit: false
  by artist: Umitaro Abe
  in album: 碁盤斬り (Original Soundtrack)
    type: MusicAlbum
    date published: 2024-05-08
  genre: japanese classical
  isrc code: JPY862300770
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T09:23:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x351430f348d633b01e667d5d23a66ec3468136127020bc28f6c7af69cdba7f03
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956776
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956776
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPY862300770
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:59:37Z
  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 0x351430f348d633b01e667d5d23a66ec3468136127020bc28f6c7af69cdba7f03. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/JPY862300770.
    date published: 2026-07-05T10:59:37Z
  audio: Gobangiri I
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 74.803
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.206
    additional property: Energy
      type: PropertyValue
      value: 0.169
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
      type: PropertyValue
      value: 0.89
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.893
    additional property: Liveness
      type: PropertyValue
      value: 0.102
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.049
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.484
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Musical Portrait of Takashi Minamoto 01 : トゥルーカラーズ
type: MusicAlbum
date published: 2025-06-18
track: Bleu Mésange
  type: MusicRecording
  duration: PT2M11S
  duration ms: 131798
  explicit: false
  by artist: Umitaro Abe
  in album: Musical Portrait of Takashi Minamoto 01 : トゥルーカラーズ
    type: MusicAlbum
    date published: 2025-06-18
  genre: japanese classical
  isrc code: JPJ822500058
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T13:32:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7d89e04484d17845f8335324868ef14130f09275a1269234c348e4688d908fde
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958163
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958163
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPJ822500058
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T16:32:38Z
  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 0x7d89e04484d17845f8335324868ef14130f09275a1269234c348e4688d908fde. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T16:32:38Z), 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/JPJ822500058.
    date published: 2026-07-15T16:32:38Z
  audio: Bleu Mésange
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 66.124
    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: 0.286
    additional property: Energy
      type: PropertyValue
      value: 0.159
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.756
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.109
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.184
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.123
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Vert d'eau
  type: MusicRecording
  duration: PT1M24S
  duration ms: 84497
  explicit: false
  by artist: Umitaro Abe
  in album: Musical Portrait of Takashi Minamoto 01 : トゥルーカラーズ
    type: MusicAlbum
    date published: 2025-06-18
  genre: japanese classical
  isrc code: JPJ822500060
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-28T21:10:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6a00a6f9144835b419094eb27b75746616b33472e90d749dcf95e93d1265b3b3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956375
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPJ822500060
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  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 0x6a00a6f9144835b419094eb27b75746616b33472e90d749dcf95e93d1265b3b3. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/JPJ822500060.
    date published: 2026-07-02T16:51:38Z
  audio: Vert d'eau
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 74.855
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.223
    additional property: Energy
      type: PropertyValue
      value: 0.113
    additional property: Speechiness
      type: PropertyValue
      value: 0.049
    additional property: Acousticness
      type: PropertyValue
      value: 0.966
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.416
    additional property: Liveness
      type: PropertyValue
      value: 0.179
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.036
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.321
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Bleu Azur
  type: MusicRecording
  duration: PT2M2S
  duration ms: 122097
  explicit: false
  by artist: Umitaro Abe
  in album: Musical Portrait of Takashi Minamoto 01 : トゥルーカラーズ
    type: MusicAlbum
    date published: 2025-06-18
  genre: japanese classical
  isrc code: JPJ822500061
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-13T00:24:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0901569fdda3d0d7cf515383fc3168fd4c6cc3d7eadea2a3d749d5718c7e6d44
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957782
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957782
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Bleu Azur
track: Orange brûlé
track: Bleu Nuit
track: Grenat brûlé
track: Émeraude
track: Blanc lunaire

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPJ822500061

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 0x0901569fdda3d0d7cf515383fc3168fd4c6cc3d7eadea2a3d749d5718c7e6d44. 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/JPJ822500061.
date published: 2026-07-13T00:52:48Z

Bleu Azur
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 85.126
additional property: Musical Key
  type: PropertyValue
  value: 9
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 3
additional property: Danceability
  type: PropertyValue
  value: 0.211
additional property: Energy
  type: PropertyValue
  value: 0.074
additional property: Speechiness
  type: PropertyValue
  value: 0.046
additional property: Acousticness
  type: PropertyValue
  value: 0.963
additional property: Instrumentalness
  type: PropertyValue
  value: 0.778
additional property: Liveness
  type: PropertyValue
  value: 0.233
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.036
additional property: Loudness (dB)
  type: PropertyValue
  value: -16.719
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
  value: Major

Orange brûlé
type: MusicRecording
duration: PT1M30S
duration ms: 90097
explicit: false
by artist: Umitaro Abe
in album: Musical Portrait of Takashi Minamoto 01 : トゥルーカラーズ
  type: MusicAlbum
  date published: 2025-06-18
genre: japanese classical
isrc code: JPJ822500065
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T15:12:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x82b947fa9d9622ade89a0fbee6fc9b85699a8dd0d000979e0a27be59ceaa28f5
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/JPJ822500065
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T18:16:50Z
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 0x82b947fa9d9622ade89a0fbee6fc9b85699a8dd0d000979e0a27be59ceaa28f5. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T18:16:50Z), 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/JPJ822500065.
  date published: 2026-07-15T18:16:50Z
audio: Orange brûlé
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.031
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.789
  additional property: Energy
    type: PropertyValue
    value: 0.338
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.79
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.33
  additional property: Liveness
    type: PropertyValue
    value: 0.138
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.595
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.377
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bleu Nuit
type: MusicRecording
duration: PT2M12S
duration ms: 132844
explicit: false
by artist: Umitaro Abe
in album: Musical Portrait of Takashi Minamoto 01 : トゥルーカラーズ
  type: MusicAlbum
  date published: 2025-06-18
genre: japanese classical
isrc code: JPJ822500067
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T17:34:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x64798261303ad6407c2fca66ffc649531bc7fba0e0bd226d8c458fb7d70cd89c
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/JPJ822500067
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 0x64798261303ad6407c2fca66ffc649531bc7fba0e0bd226d8c458fb7d70cd89c. 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/JPJ822500067.
  date published: 2026-07-03T19:59:51Z
audio: Bleu Nuit
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.914
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.448
  additional property: Energy
    type: PropertyValue
    value: 0.128
  additional property: Speechiness
    type: PropertyValue
    value: 0.061
  additional property: Acousticness
    type: PropertyValue
    value: 0.943
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.014
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.171
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.258
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Grenat brûlé
type: MusicRecording
duration: PT2M8S
duration ms: 128690
explicit: false
by artist: Umitaro Abe
in album: Musical Portrait of Takashi Minamoto 01 : トゥルーカラーズ
  type: MusicAlbum
  date published: 2025-06-18
genre: japanese classical
isrc code: JPJ822500068
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T01:50:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0404692862f3fe320e2a5fb0d10154d9e849ba05e22aad53ab63a7d01d112da6
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/JPJ822500068
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 0x0404692862f3fe320e2a5fb0d10154d9e849ba05e22aad53ab63a7d01d112da6. 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/JPJ822500068.
  date published: 2026-07-03T08:56:35Z
audio: Grenat brûlé
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.131
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.564
  additional property: Energy
    type: PropertyValue
    value: 0.067
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.859
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.923
  additional property: Liveness
    type: PropertyValue
    value: 0.094
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.163
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.096
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Émeraude
type: MusicRecording
duration: PT1M23S
duration ms: 83772
explicit: false
by artist: Umitaro Abe
in album: Musical Portrait of Takashi Minamoto 01 : トゥルーカラーズ
  type: MusicAlbum
  date published: 2025-06-18
genre: japanese classical
isrc code: JPJ822500069
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T13:00:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb78c0146d355b2d411756f19186cc082db1df559199fd348aba9a1713a49417a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958157
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958157
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPJ822500069
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T16:02:02Z
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 0xb78c0146d355b2d411756f19186cc082db1df559199fd348aba9a1713a49417a. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T16:02:02Z), 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/JPJ822500069.
  date published: 2026-07-15T16:02:02Z
audio: Émeraude
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.732
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.522
  additional property: Energy
    type: PropertyValue
    value: 0.002
  additional property: Speechiness
    type: PropertyValue
    value: 0.072
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.967
  additional property: Liveness
    type: PropertyValue
    value: 0.169
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.214
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.988
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Blanc lunaire
type: MusicRecording
duration: PT1M44S
duration ms: 104668
explicit: false
by artist: Umitaro Abe
in album: Musical Portrait of Takashi Minamoto 01 : トゥルーカラーズ
  type: MusicAlbum
  date published: 2025-06-18
genre: japanese classical
isrc code: JPJ822500070
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-13T00:15:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x39307ddd99a7972d52330e30c37c015aa7eea45fdfe25b89ea2e052658857c0a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957780
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957780
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPJ822500070
additional property: OTSTimestamp
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
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audio: Blanc lunaire
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Musical Portrait of Takashi Minamoto 02：グレースの履歴
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date published: 2025-07-16

Musical Portrait of Takashi Minamoto 03：ライジング若冲
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Musical Portrait of Takashi Minamoto 04：忠臣蔵狂詩曲No.5 中村仲蔵 出世階段
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-03T21:18:05Z
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track: 色にぞ出でし我が恨み
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-03T21:18:05Z
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  audio: 夢にも見たや懐かしや
track: 花に嵐の情けなや
track: 何の忘れうぞいたいけ盛り
track: 千草も冬枯れて
track: 風に散り飛ぶ雪の花
track: いざさらば
track: 君が面影うつつにも
track: 彼方へ走り此方を慕ひ

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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-03T10:47:44Z

夢にも見たや懐かしや
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花に嵐の情けなや
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subject of: OpenTimestamps Proof of Existence
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audio: 花に嵐の情けなや
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何の忘れうぞいたいけ盛り
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千草も冬枯れて
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風に散り飛ぶ雪の花
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audio: 風に散り飛ぶ雪の花
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いざさらば
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君が面影うつつにも
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彼方へ走り此方を慕ひ
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Musical Portrait of Takashi Minamoto 05：令和元年版 怪談牡丹燈籠
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date published: 2025-10-15