ジャズピアノ
type: MusicGroup
popularity: 7
followers: 36
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa9f7b3779c7480a4fbb2d435f9c86abba3b3c75168aa409cb7f25b920509e249
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953938
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953938
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2058b725-fc31-4148-a9b5-3ed5f9b09262.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2058b725-fc31-4148-a9b5-3ed5f9b09262.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2058b725-fc31-4148-a9b5-3ed5f9b09262
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T11:35:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa9f7b3779c7480a4fbb2d435f9c86abba3b3c75168aa409cb7f25b920509e249","name":"ジャズピアノ","registered_at":"2026-06-16T00:48:04Z","symbol":"NIM0884839","token_address":"0xaa21ed72230afbca10c756ab37661c25a4ac9c47","type":"artist","uuid":"2058b725-fc31-4148-a9b5-3ed5f9b09262"}
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 0xa9f7b3779c7480a4fbb2d435f9c86abba3b3c75168aa409cb7f25b920509e249. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2058b725-fc31-4148-a9b5-3ed5f9b09262.json and https://artists.proofprofile.net/proofs/artist/2058b725-fc31-4148-a9b5-3ed5f9b09262.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:07:57Z
  text: {"copyright_id":"0xa9f7b3779c7480a4fbb2d435f9c86abba3b3c75168aa409cb7f25b920509e249","name":"ジャズピアノ","registered_at":"2026-06-16T00:48:04Z","symbol":"NIM0884839","token_address":"0xaa21ed72230afbca10c756ab37661c25a4ac9c47","type":"artist","uuid":"2058b725-fc31-4148-a9b5-3ed5f9b09262"}
album: 風雅な(音楽)
  type: MusicAlbum
  date published: 2022-02-01
album: 朝食(音楽)
  type: MusicAlbum
  date published: 2022-02-01
album: 眠いです-通勤
  type: MusicAlbum
  date published: 2022-02-02
album: 気分-朝食
  type: MusicAlbum
  date published: 2022-02-02
album: 無理だよ(器楽)
  type: MusicAlbum
  date published: 2022-02-03
album: リアルな(音楽)
  type: MusicAlbum
  date published: 2022-02-03
album: 完璧な(器楽)
  type: MusicAlbum
  date published: 2022-02-06
album: 音楽-コーヒータイム
  type: MusicAlbum
  date published: 2022-02-07
album: 赤面(音楽)
  type: MusicAlbum
  date published: 2022-02-07
album: 甘い(音楽)
  type: MusicAlbum
  date published: 2022-03-01
album: カフェムード-気分
  type: MusicAlbum
  date published: 2022-03-01
album: エスプレッソ(気分)
  type: MusicAlbum
  date published: 2022-03-03
album: モーニング・コーヒー-音
  type: MusicAlbum
  date published: 2022-03-04
album: 役に立った(ラテ)
  type: MusicAlbum
  date published: 2022-03-05
album: エキサイティング(気分)
  type: MusicAlbum
  date published: 2022-03-06
album: 気分-ラテ
  type: MusicAlbum
  date published: 2022-03-07
album: 励ます-器楽
  type: MusicAlbum
  date published: 2022-03-08
album: 安定-器楽
  type: MusicAlbum
  date published: 2022-03-08
album: カプチーノ-気分
  type: MusicAlbum
  date published: 2022-03-09
album: スムーズ-音楽
  type: MusicAlbum
  date published: 2022-03-10
album: 幸せ-素敵なオフィス
  type: MusicAlbum
  date published: 2022-03-21
album: 洗練された-素敵なオフィス
  type: MusicAlbum
  date published: 2022-03-22
album: 楽な(忙しい仕事)
  type: MusicAlbum
  date published: 2022-03-23
album: セレクト(忙しい仕事)
  type: MusicAlbum
  date published: 2022-03-24
album: 冒険的な-音
  type: MusicAlbum
  date published: 2022-03-25
album: 音楽-働く
  type: MusicAlbum
  date published: 2022-03-26
album: 感情的-音楽
  type: MusicAlbum
  date published: 2022-03-27
album: 月曜日の朝-音楽
  type: MusicAlbum
  date published: 2022-03-28
album: サンデーモーニングジャズ
  type: MusicAlbum
  date published: 2022-10-27
album: 朝の音楽
  type: MusicAlbum
  date published: 2022-10-27
  track: 音楽(リラックスした午後)
    type: MusicRecording
    duration: PT2M11S
    duration ms: 131910
    explicit: false
    by artist: ジャズピアノ
    in album: 朝の音楽
      type: MusicAlbum
      date published: 2022-10-27
    isrc code: QZV8N6900400
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T00:53:17+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x802ec5badc7e12b912c34343a6cf5ab897a880215c76145f572a17cdad684405
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958635
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958635
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZV8N6900400
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T00:58:42Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x802ec5badc7e12b912c34343a6cf5ab897a880215c76145f572a17cdad684405. Chain 2 (Bitcoin): anchored in block 958635 (2026-07-19T00:58:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZV8N6900400.
      date published: 2026-07-19T00:58:42Z
    audio: 音楽(リラックスした午後)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 65.434
      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: 0.786
      additional property: Energy
        type: PropertyValue
        value: 0.027
      additional property: Speechiness
        type: PropertyValue
        value: 0.066
      additional property: Acousticness
        type: PropertyValue
        value: 0.995
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.971
      additional property: Liveness
        type: PropertyValue
        value: 0.11
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.12
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: 気分(週末休み)
  track: 器楽(リラックスできる音楽)
  track: バックグラウンドミュージック(リラックスした午後)
  track: 雰囲気(週末休み)
  track: 気持ち(日曜日の朝)
  track: 思い出(午後の寒さ)
album: より良い雰囲気
album: 朝を知らせる音楽
album: 朝のランニングトラック
album: スムーズな雰囲気
album: 美味しい料理
album: ディナーの魔法
album: ご飯を食べよう
album: 食べ物は美味しい

Loudness (dB)
type: PropertyValue
value: -22.209

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Minor

気分(週末休み)
type: MusicRecording
duration: PT2M4S
duration ms: 124318
explicit: false
by artist: ジャズピアノ
in album: 朝の音楽
  type: MusicAlbum
  date published: 2022-10-27
isrc code: QZV8N6900402
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T14:58:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1544b7fa707b93ec2340a4679232b5b3791ac593c8b74575a9d8b23a45d05be2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958601
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958601
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZV8N6900402
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T19:27:02Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1544b7fa707b93ec2340a4679232b5b3791ac593c8b74575a9d8b23a45d05be2. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZV8N6900402.
  date published: 2026-07-18T19:27:02Z
audio: 気分(週末休み)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.036
  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: 0.859
  additional property: Energy
    type: PropertyValue
    value: 0.02
  additional property: Speechiness
    type: PropertyValue
    value: 0.114
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.961
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.063
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.961
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

器楽(リラックスできる音楽)
type: MusicRecording
duration: PT1M52S
duration ms: 112943
explicit: false
by artist: ジャズピアノ
in album: 朝の音楽
  type: MusicAlbum
  date published: 2022-10-27
isrc code: QZV8N6900403
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T07:18:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x25c304d3014d7a6b499410fddf72f579cd7d6321a4b82bd8473ae8b96e02116b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958544
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958544
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZV8N6900403
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T12:14:37Z
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 0x25c304d3014d7a6b499410fddf72f579cd7d6321a4b82bd8473ae8b96e02116b. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/QZV8N6900403.
  date published: 2026-07-18T12:14:37Z
audio: 器楽(リラックスできる音楽)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 76.597
  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: 0.751
  additional property: Energy
    type: PropertyValue
    value: 0.034
  additional property: Speechiness
    type: PropertyValue
    value: 0.098
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.964
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.184
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.419
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

バックグラウンドミュージック(リラックスした午後)
type: MusicRecording
duration: PT2M9S
duration ms: 129927
explicit: false
by artist: ジャズピアノ
in album: 朝の音楽
  type: MusicAlbum
  date published: 2022-10-27
isrc code: QZV8N6900405
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T11:36:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbc509abf45a3863355938b905fa14ee43f2bab534f897c43e6d25e8f4be0d449
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/QZV8N6900405
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 0xbc509abf45a3863355938b905fa14ee43f2bab534f897c43e6d25e8f4be0d449. 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/QZV8N6900405.
  date published: 2026-07-05T01:12:41Z
audio: バックグラウンドミュージック(リラックスした午後)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.091
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.839
  additional property: Energy
    type: PropertyValue
    value: 0.03
  additional property: Speechiness
    type: PropertyValue
    value: 0.073
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.972
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.156
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.416
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

雰囲気(週末休み)
type: MusicRecording
duration: PT2M8S
duration ms: 128003
explicit: false
by artist: ジャズピアノ
in album: 朝の音楽
  type: MusicAlbum
  date published: 2022-10-27
isrc code: QZV8N6900406
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T10:47:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbd7fa3d7a74541a92da7a1ffac13de3c530bb0738af47f2f0ea9e58983761470
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958722
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958722
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZV8N6900406
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T11:03:50Z
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 0xbd7fa3d7a74541a92da7a1ffac13de3c530bb0738af47f2f0ea9e58983761470. Chain 2 (Bitcoin): anchored in block 958722 (2026-07-19T11:03:50Z), 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/QZV8N6900406.
  date published: 2026-07-19T11:03:50Z
audio: 雰囲気(週末休み)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.329
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.691
  additional property: Energy
    type: PropertyValue
    value: 0.036
  additional property: Speechiness
    type: PropertyValue
    value: 0.094
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.966
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.077
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.807
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

気持ち(日曜日の朝)
type: MusicRecording
duration: PT1M55S
duration ms: 115203
explicit: false
by artist: ジャズピアノ
in album: 朝の音楽
  type: MusicAlbum
  date published: 2022-10-27
isrc code: QZV8N6900407
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additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T05:14:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa036484d81b4f7126708fcefdd47e3040045811ea61965249835539576bb2b7a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958830
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958830
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZV8N6900407
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T08:17:41Z
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 0xa036484d81b4f7126708fcefdd47e3040045811ea61965249835539576bb2b7a. Chain 2 (Bitcoin): anchored in block 958830 (2026-07-20T08:17:41Z), 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/QZV8N6900407.
  date published: 2026-07-20T08:17:41Z
audio: 気持ち(日曜日の朝)
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  additional property: Tempo (BPM)
    type: PropertyValue
    value: 71.477
  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: 0.668
  additional property: Energy
    type: PropertyValue
    value: 0.032
  additional property: Speechiness
    type: PropertyValue
    value: 0.101
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.972
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.222
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.171
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

思い出(午後の寒さ)
type: MusicRecording
duration: PT1M50S
duration ms: 110772
explicit: false
by artist: ジャズピアノ
in album: 朝の音楽
  type: MusicAlbum
  date published: 2022-10-27
isrc code: QZV8N6900409
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T19:51:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd988df8f1f388be66994cd516a8ddd178bcaf1b1075866eb9f2bc390749fea4e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956856
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956856
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZV8N6900409
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:25:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd988df8f1f388be66994cd516a8ddd178bcaf1b1075866eb9f2bc390749fea4e. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZV8N6900409.
  date published: 2026-07-06T01:25:57Z
audio: 思い出(午後の寒さ)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 78.087
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 1
  additional property: Danceability
    type: PropertyValue
    value: 0.729
  additional property: Energy
    type: PropertyValue
    value: 0.044
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.965
  additional property: Liveness
    type: PropertyValue
    value: 0.122
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.188
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.417
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

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