穂ノ佳
type: MusicGroup
genre: shoegaze
popularity: 6
followers: 1199
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7c5ab7d3bedb4d0c82fa241acce9f897ab1872ff860f1039233f7a454cf37750
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8fd198a1-86b0-43ff-9eee-396c67dfa69e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8fd198a1-86b0-43ff-9eee-396c67dfa69e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8fd198a1-86b0-43ff-9eee-396c67dfa69e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7c5ab7d3bedb4d0c82fa241acce9f897ab1872ff860f1039233f7a454cf37750","name":"穂ノ佳","registered_at":"2026-06-17T15:34:19Z","symbol":"NIM1439858","token_address":"0xf8184f1625914ce7b25eb02dd4aadf7e5ca36082","type":"artist","uuid":"8fd198a1-86b0-43ff-9eee-396c67dfa69e"}
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 0x7c5ab7d3bedb4d0c82fa241acce9f897ab1872ff860f1039233f7a454cf37750. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8fd198a1-86b0-43ff-9eee-396c67dfa69e.json and https://artists.proofprofile.net/proofs/artist/8fd198a1-86b0-43ff-9eee-396c67dfa69e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x7c5ab7d3bedb4d0c82fa241acce9f897ab1872ff860f1039233f7a454cf37750","name":"穂ノ佳","registered_at":"2026-06-17T15:34:19Z","symbol":"NIM1439858","token_address":"0xf8184f1625914ce7b25eb02dd4aadf7e5ca36082","type":"artist","uuid":"8fd198a1-86b0-43ff-9eee-396c67dfa69e"}
album: 理想論
  type: MusicAlbum
  date published: 2022-05-30
album: 彷徨わない
  type: MusicAlbum
  date published: 2022-08-20
album: あの種子
  type: MusicAlbum
  date published: 2022-11-23
album: 心に温室
  type: MusicAlbum
  date published: 2022-12-14
album: なつのふもとへ
  type: MusicAlbum
  date published: 2023-04-18
album: 草花
  type: MusicAlbum
  date published: 2023-12-20
album: Kusabana
  type: MusicAlbum
  date published: 2023-12-20
album: yasashii-kaminari
  type: MusicAlbum
  date published: 2024-04-17
album: やさしい雷
  type: MusicAlbum
  date published: 2024-04-17
album: 旭
  type: MusicAlbum
  date published: 2024-12-11
  track: 旭
    type: MusicRecording
    duration: PT3M5S
    duration ms: 185059
    explicit: false
    by artist: 穂ノ佳
    in album: 旭
      type: MusicAlbum
      date published: 2024-12-11
    genre: shoegaze
    isrc code: JPVI02403605
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T11:29:20+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x791f391f5da9adf0bc299b6017965503f6a7d5c6c8519d9492fdf05e2c5ca3f0
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958873
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958873
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI02403605
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T11:48:10Z
    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 0x791f391f5da9adf0bc299b6017965503f6a7d5c6c8519d9492fdf05e2c5ca3f0. Chain 2 (Bitcoin): anchored in block 958873 (2026-07-20T11:48:10Z), 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/JPVI02403605.
      date published: 2026-07-20T11:48:10Z
    audio: 旭
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 110.019
      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: 0.613
      additional property: Energy
        type: PropertyValue
        value: 0.698
      additional property: Speechiness
        type: PropertyValue
        value: 0.033
      additional property: Acousticness
        type: PropertyValue
        value: 0.001
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.088
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.483
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.886
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Asahi
  type: MusicAlbum
  date published: 2024-12-11
album: Natural Park
  type: MusicAlbum
  date published: 2025-04-16
album: 自然公園
  type: MusicAlbum
  date published: 2025-04-16
  track: 自然公園
    type: MusicRecording
    duration: PT4M6S
    duration ms: 246559
    explicit: false
    by artist: 穂ノ佳
    in album: 自然公園
      type: MusicAlbum
      date published: 2025-04-16
    genre: shoegaze
    isrc code: JPVI02500856
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T17:14:01+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xbfa61868345edf543c55aac90af57d2b3cdd4d192ff5f9e5a2c87965dc5121ad
    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/JPVI02500856
    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 0xbfa61868345edf543c55aac90af57d2b3cdd4d192ff5f9e5a2c87965dc5121ad. 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/JPVI02500856.
      date published: 2026-07-03T19:59:51Z
    audio: 自然公園
album: 煌めきの温度
album: The Warmth of Sparkle
album: Hoshi no Irezumi
album: ほしの刺青

自然公園
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 92.961
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: 0.407
additional property: Energy
  type: PropertyValue
  value: 0.836
additional property: Speechiness
  type: PropertyValue
  value: 0.037
additional property: Acousticness
  type: PropertyValue
  value: 0
additional property: Instrumentalness
  type: PropertyValue
  value: 0.002
additional property: Liveness
  type: PropertyValue
  value: 0.289
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.414
additional property: Loudness (dB)
  type: PropertyValue
  value: -5.558
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

煌めきの温度
type: MusicAlbum
date published: 2025-06-25

The Warmth of Sparkle
type: MusicAlbum
date published: 2025-06-25
track: The Warmth of Sparkle
  type: MusicRecording
  duration: PT5M27S
  duration ms: 327708
  explicit: false
  by artist: 穂ノ佳
  in album: The Warmth of Sparkle
    type: MusicAlbum
    date published: 2025-06-25
  genre: shoegaze
  isrc code: JPVI02501474
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T01:58:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x91c2c3031470bbb14cd5b34c90a9573d841ba7467b7ca502fe117c58660be622
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958350
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958350
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI02501474
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T02:31:22Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91c2c3031470bbb14cd5b34c90a9573d841ba7467b7ca502fe117c58660be622. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T02:31:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI02501474.
    date published: 2026-07-17T02:31:22Z
  audio: The Warmth of Sparkle
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 90.074
    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: 0.435
    additional property: Energy
      type: PropertyValue
      value: 0.759
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.016
    additional property: Liveness
      type: PropertyValue
      value: 0.042
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.465
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.933
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

Hoshi no Irezumi
type: MusicAlbum
date published: 2025-09-17

ほしの刺青
type: MusicAlbum
date published: 2025-09-17