Natsunose
type: MusicGroup
genre: j-pop
popularity: 35
followers: 14764
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x181c813a75fbb8a4443465e28d02076f7996fc3f84e1ad592f81b23e6928d4c4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  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/f0367cd5-08dc-4d53-899d-559550eed36c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f0367cd5-08dc-4d53-899d-559550eed36c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f0367cd5-08dc-4d53-899d-559550eed36c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
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 0x181c813a75fbb8a4443465e28d02076f7996fc3f84e1ad592f81b23e6928d4c4. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f0367cd5-08dc-4d53-899d-559550eed36c.json and https://artists.proofprofile.net/proofs/artist/f0367cd5-08dc-4d53-899d-559550eed36c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
album: Amaryllis
  type: MusicAlbum
  date published: 2022-03-25
album: kasoku
  type: MusicAlbum
  date published: 2022-06-30
album: MAYOIGO
  type: MusicAlbum
  date published: 2022-07-31
album: ANOMALY
  type: MusicAlbum
  date published: 2022-10-10
album: KIRAIYAIYA
  type: MusicAlbum
  date published: 2022-11-27
album: Kaihyou
  type: MusicAlbum
  date published: 2023-01-29
album: Ice
  type: MusicAlbum
  date published: 2023-03-29
album: Tasokare
  type: MusicAlbum
  date published: 2023-04-26
album: Toumeina, Amarinimotoumeina
  type: MusicAlbum
  date published: 2023-05-31
album: Kansyouyuurei
  type: MusicAlbum
  date published: 2023-06-28
album: escape (feat. Kankan)
  type: MusicAlbum
  date published: 2023-08-30
album: Mayoigo (VOLTA Remix)
  type: MusicAlbum
  date published: 2023-09-27
  track: Mayoigo - VOLTA Remix
    type: MusicRecording
    duration: PT1M28S
    duration ms: 88543
    explicit: false
    by artist: Natsunose
    in album: Mayoigo (VOLTA Remix)
      type: MusicAlbum
      date published: 2023-09-27
    genre: j-pop
    isrc code: TCJPX2335014
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T15:32:52+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9c56850b0712f2d9291c1f52213fa6c033d09b4ace014d68e6b87f7b139277b0
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956738
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956738
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPX2335014
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T04:47:21Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c56850b0712f2d9291c1f52213fa6c033d09b4ace014d68e6b87f7b139277b0. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPX2335014.
      date published: 2026-07-05T04:47:21Z
    audio: Mayoigo - VOLTA Remix
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 102.97
      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: 0.806
      additional property: Energy
        type: PropertyValue
        value: 0.843
      additional property: Speechiness
        type: PropertyValue
        value: 0.044
      additional property: Acousticness
        type: PropertyValue
        value: 0.478
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.158
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.775
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.59
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Ice (Dopamine Remix)
  type: MusicAlbum
  date published: 2023-10-25
  track: Ice - Dopamine Remix
    type: MusicRecording
    duration: PT1M46S
    duration ms: 106013
    explicit: false
    by artist: Natsunose
    in album: Ice (Dopamine Remix)
      type: MusicAlbum
      date published: 2023-10-25
    genre: j-pop
    isrc code: TCJPX2368281
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7a04f915a96d2533b4bebadc1b29e6b25d0d0239671d4f5ba8f13d1e23648d18
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959094
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959094
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPX2368281
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-22T03:33:16Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a04f915a96d2533b4bebadc1b29e6b25d0d0239671d4f5ba8f13d1e23648d18. Chain 2 (Bitcoin): anchored in block 959094 (2026-07-22T03:33:16Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPX2368281.
      date published: 2026-07-22T03:33:16Z
    audio: Ice - Dopamine Remix
      type: AudioObject
      additional property: Tempo (BPM)
      additional property: Musical Key
      additional property: Mode (Major/Minor)
      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: Anemonetotansansui
album: Spinach and bang bungee
album: Overflow (feat. tulle)
album: Kimitoodoretara
album: Fyumeku, (feat. Furota)
album: Sakurasou
album: Adabana
album: Seishunsyouku (feat. Nenne)
album: I miss U
album: semishigure
album: Fallimg Leaves

Tempo (BPM)
type: PropertyValue
value: 169.889

Musical Key
type: PropertyValue
value: 9

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.614

Energy
type: PropertyValue
value: 0.849

Speechiness
type: PropertyValue
value: 0.041

Acousticness
type: PropertyValue
value: 0.022

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.115

Valence (Positivity)
type: PropertyValue
value: 0.641

Loudness (dB)
type: PropertyValue
value: -3.951

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Major

Anemonetotansansui
type: MusicAlbum
date published: 2023-11-29

Spinach and bang bungee
type: MusicAlbum
date published: 2024-01-31
track: Spinach and bang bungee
  type: MusicRecording
  duration: PT3M43S
  duration ms: 223681
  explicit: false
  by artist: Natsunose
  in album: Spinach and bang bungee
    type: MusicAlbum
    date published: 2024-01-31
  genre: j-pop
  isrc code: TCJPY2485827
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-12T09:00:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfbb4864ccb1462ceaa191ab9667e210980d1369003d5f9f3592b43e396cb919b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957681
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957681
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPY2485827
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-12T09:09:02Z
  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 0xfbb4864ccb1462ceaa191ab9667e210980d1369003d5f9f3592b43e396cb919b. Chain 2 (Bitcoin): anchored in block 957681 (2026-07-12T09:09:02Z), 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/TCJPY2485827.
    date published: 2026-07-12T09:09:02Z
  audio: Spinach and bang bungee
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 97.983
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.652
    additional property: Energy
      type: PropertyValue
      value: 0.757
    additional property: Speechiness
      type: PropertyValue
      value: 0.029
    additional property: Acousticness
      type: PropertyValue
      value: 0.2
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.128
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.78
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.725
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major

Overflow (feat. tulle)
type: MusicAlbum
date published: 2024-08-21

Kimitoodoretara
type: MusicAlbum
date published: 2025-01-11

Fyumeku, (feat. Furota)
type: MusicAlbum
date published: 2025-02-05

Sakurasou
type: MusicAlbum
date published: 2025-03-05

Adabana
type: MusicAlbum
date published: 2025-04-12
track: Adabana
  type: MusicRecording
  duration: PT4M20S
  duration ms: 260734
  explicit: false
  by artist: Natsunose
  in album: Adabana
    type: MusicAlbum
    date published: 2025-04-12
  genre: j-pop
  isrc code: TCJPF2567583
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-02T21:48:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x438f25ce9d01d02b5f13b4a6e895f575ef76c5bbd4ca3cf11e140857253c03d9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956420
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956420
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPF2567583
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T00:42:11Z
  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 0x438f25ce9d01d02b5f13b4a6e895f575ef76c5bbd4ca3cf11e140857253c03d9. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/TCJPF2567583.
    date published: 2026-07-03T00:42:11Z
  audio: Adabana
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 135.963
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.653
    additional property: Energy
      type: PropertyValue
      value: 0.689
    additional property: Speechiness
      type: PropertyValue
      value: 0.029
    additional property: Acousticness
      type: PropertyValue
      value: 0.488
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.086
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.645
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.611
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Seishunsyouku (feat. Nenne)
type: MusicAlbum
date published: 2025-06-18

I miss U
type: MusicAlbum
date published: 2025-08-03

semishigure
type: MusicAlbum
date published: 2025-10-18

Fallimg Leaves
type: MusicAlbum
date published: 2025-11-15