Natsudaidai
type: MusicGroup
genre: j-r&b
popularity: 20
followers: 2111
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x06a666597377248c27968a51825f57bda42864c8adae33639ba8bee03c184bd5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953621
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953621
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1d7d9032-7e46-405e-8eb7-dc1a4b4d8902.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1d7d9032-7e46-405e-8eb7-dc1a4b4d8902.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1d7d9032-7e46-405e-8eb7-dc1a4b4d8902
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T09:42:57Z
additional property: OTSCanonicalRecord
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 0x06a666597377248c27968a51825f57bda42864c8adae33639ba8bee03c184bd5. Chain 2 (Bitcoin): anchored in block 953621 (2026-06-14T09:42:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1d7d9032-7e46-405e-8eb7-dc1a4b4d8902.json and https://artists.proofprofile.net/proofs/artist/1d7d9032-7e46-405e-8eb7-dc1a4b4d8902.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T09:42:57Z
album: Cold Butter
  type: MusicAlbum
  date published: 2021-10-30
album: 橙
  type: MusicAlbum
  date published: 2022-03-19
album: ムーンビーム
  type: MusicAlbum
  date published: 2023-01-21
album: Cold Butter
  type: MusicAlbum
  date published: 2023-06-24
  track: Cold Butter
    type: MusicRecording
    duration: PT3M41S
    duration ms: 221538
    explicit: false
    by artist: Natsudaidai
    in album: Cold Butter
      type: MusicAlbum
      date published: 2023-06-24
    genre: j-r&b
    isrc code: TCJPW2332265
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T11:47:24+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa15b07aec85e8246afffe6b8a571251e657039c489bb1858cb1f2f70c9f7ab9e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958286
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958286
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPW2332265
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T12:43:37Z
    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 0xa15b07aec85e8246afffe6b8a571251e657039c489bb1858cb1f2f70c9f7ab9e. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/TCJPW2332265.
      date published: 2026-07-16T12:43:37Z
    audio: Cold Butter
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 91.015
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.833
      additional property: Energy
        type: PropertyValue
        value: 0.327
      additional property: Speechiness
        type: PropertyValue
        value: 0.141
      additional property: Acousticness
        type: PropertyValue
        value: 0.802
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.003
      additional property: Liveness
        type: PropertyValue
        value: 0.082
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.652
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.946
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Cold Butter
  type: MusicAlbum
  date published: 2023-06-24
album: Fruit store
  type: MusicAlbum
  date published: 2024-05-29
album: 青果店
  type: MusicAlbum
  date published: 2024-05-29
album: Dusky dolphin
  type: MusicAlbum
  date published: 2024-07-17
album: Dusky dolphin
  type: MusicAlbum
  date published: 2024-07-17
album: 青果店
  type: MusicAlbum
  date published: 2024-08-21
  track: Just mean
    type: MusicRecording
    duration: PT4M14S
    duration ms: 254946
    explicit: false
    by artist: Natsudaidai
    in album: 青果店
      type: MusicAlbum
      date published: 2024-08-21
    genre: j-r&b
    isrc code: JPVI02401596
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T16:16:05+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x075d8e918852840a9bdbbb7f87205fcf2fab6450ba2f5a45fee2ea4f316fa257
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958436
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958436
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI02401596
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T16:42:22Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x075d8e918852840a9bdbbb7f87205fcf2fab6450ba2f5a45fee2ea4f316fa257. Chain 2 (Bitcoin): anchored in block 958436 (2026-07-17T16:42:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI02401596.
      date published: 2026-07-17T16:42:22Z
    audio: Just mean
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 104.993
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Swimmer
album: スイマー
album: Rain Shower
album: 白雨
album: Tasting!
album: CHEW
album: Somersault feat. Tha omedetaz
album: サマー・ソルト feat. ザ・おめでたズ
album: アイス夏 feat. 山本大斗
album: ICE Natsu feat. Daito Yamamoto
album: 7 minutes
album: 徒歩7分

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.934

Energy
type: PropertyValue
value: 0.512

Speechiness
type: PropertyValue
value: 0.188

Acousticness
type: PropertyValue
value: 0.249

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.125

Valence (Positivity)
type: PropertyValue
value: 0.673

Loudness (dB)
type: PropertyValue
value: -8.586

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major

Fruit store
type: MusicAlbum
date published: 2024-08-21

Swimmer
type: MusicAlbum
date published: 2024-12-11

スイマー
type: MusicAlbum
date published: 2024-12-11

Rain Shower
type: MusicAlbum
date published: 2025-02-05

白雨
type: MusicAlbum
date published: 2025-02-05

Tasting!
type: MusicAlbum
date published: 2025-03-05

Tasting!
type: MusicAlbum
date published: 2025-03-05

CHEW
type: MusicAlbum
date published: 2025-04-02
track: Escape Plan
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176575
  explicit: false
  by artist: Natsudaidai
  in album: CHEW
    type: MusicAlbum
    date published: 2025-04-02
  genre: j-r&b
  isrc code: JPVI02500622
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T10:08:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe8b7dbe81e44da79752416d80ffe950f89474dc89d7007148db7089b8f328e06
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958276
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958276
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI02500622
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T13:06:28Z
  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 0xe8b7dbe81e44da79752416d80ffe950f89474dc89d7007148db7089b8f328e06. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T13:06:28Z), 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/JPVI02500622.
    date published: 2026-07-16T13:06:28Z
  audio: Escape Plan
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 105
    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: 0.822
    additional property: Energy
      type: PropertyValue
      value: 0.548
    additional property: Speechiness
      type: PropertyValue
      value: 0.05
    additional property: Acousticness
      type: PropertyValue
      value: 0.04
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.024
    additional property: Liveness
      type: PropertyValue
      value: 0.126
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.536
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.584
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

CHEW
type: MusicAlbum
date published: 2025-04-02
track: Tasting!
  type: MusicRecording
  duration: PT2M57S
  duration ms: 177295
  explicit: false
  by artist: Natsudaidai
  in album: CHEW
    type: MusicAlbum
    date published: 2025-04-02
  genre: j-r&b
  isrc code: JPVI02500325
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T22:33:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6a5f77d44224e86a8f88988f3dbda718b86d4c81dd6fe237040404fff9dd7288
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958792
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958792
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI02500325
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T01:36:33Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a5f77d44224e86a8f88988f3dbda718b86d4c81dd6fe237040404fff9dd7288. Chain 2 (Bitcoin): anchored in block 958792 (2026-07-20T01:36:33Z), 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/JPVI02500325.
    date published: 2026-07-20T01:36:33Z
  audio: Tasting!
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 99.921
    additional property: Musical Key
      type: PropertyValue
      value: 1
    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: 0.74
    additional property: Speechiness
      type: PropertyValue
      value: 0.223
    additional property: Acousticness
      type: PropertyValue
      value: 0.112
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.06
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.711
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.537
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: シンプル・ラブ
  type: MusicRecording
  duration: PT3M55S
  duration ms: 235647
  explicit: false
  by artist: Natsudaidai
  in album: CHEW
    type: MusicAlbum
    date published: 2025-04-02
  genre: j-r&b
  isrc code: JPVI02500623
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T13:04:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x101f4b177d059ceae916038d7f316b44615d5fe745ce914f1ce35824afe1c5d4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956560
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956560
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI02500623
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T23:28:02Z
  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 0x101f4b177d059ceae916038d7f316b44615d5fe745ce914f1ce35824afe1c5d4. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/JPVI02500623.
    date published: 2026-07-03T23:28:02Z
  audio: シンプル・ラブ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 120.064
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.802
    additional property: Energy
      type: PropertyValue
      value: 0.5
    additional property: Speechiness
      type: PropertyValue
      value: 0.054
    additional property: Acousticness
      type: PropertyValue
      value: 0.016
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.084
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.631
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.905
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Somersault feat. Tha omedetaz
type: MusicAlbum
date published: 2025-07-23
track: Somersault feat. Tha omedetaz
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196111
  explicit: false
  by artist: Natsudaidai
  in album: Somersault feat. Tha omedetaz
    type: MusicAlbum
    date published: 2025-07-23
  genre: j-r&b
  isrc code: JPVI02501910
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T06:05:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x14b005b9b01ac5289e98393ba41fcf7afbd6dc041b0c9c14dbd89053df663055
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958110
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958110
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI02501910
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T06:57:12Z
  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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14b005b9b01ac5289e98393ba41fcf7afbd6dc041b0c9c14dbd89053df663055. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/JPVI02501910.
    date published: 2026-07-15T06:57:12Z
  audio: Somersault feat. Tha omedetaz
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 100.014
    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: 0.833
    additional property: Energy
      type: PropertyValue
      value: 0.71
    additional property: Speechiness
      type: PropertyValue
      value: 0.128
    additional property: Acousticness
      type: PropertyValue
      value: 0.283
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.352
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.914
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.957
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

サマー・ソルト feat. ザ・おめでたズ
type: MusicAlbum
date published: 2025-07-23

アイス夏 feat. 山本大斗
type: MusicAlbum
date published: 2025-08-20

ICE Natsu feat. Daito Yamamoto
type: MusicAlbum
date published: 2025-08-20

7 minutes
type: MusicAlbum
date published: 2025-11-12

徒歩7分
type: MusicAlbum
date published: 2025-11-12