Haruka Tojo
type: MusicGroup
genre: anime
genre: j-rock
popularity: 11
followers: 2640
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x636898f3d7b077bec8e7a76c58b9de3e3aa847395966c72950cf3644c313ee6e
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953694
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/70ca74a9-7896-4c6a-93d9-4c6026db117f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/70ca74a9-7896-4c6a-93d9-4c6026db117f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/70ca74a9-7896-4c6a-93d9-4c6026db117f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T21:38:09Z
additional property: OTSCanonicalRecord
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  value: {"copyright_id":"0x636898f3d7b077bec8e7a76c58b9de3e3aa847395966c72950cf3644c313ee6e","name":"Haruka Tojo","registered_at":"2026-06-14T16:19:02Z","symbol":"NIM0508046","token_address":"0xd6c4b487d96c3f8ab1466d2fff8c0d17a92f6b2f","type":"artist","uuid":"70ca74a9-7896-4c6a-93d9-4c6026db117f"}
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 0x636898f3d7b077bec8e7a76c58b9de3e3aa847395966c72950cf3644c313ee6e. Chain 2 (Bitcoin): anchored in block 953694 (2026-06-14T21:38:09Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/70ca74a9-7896-4c6a-93d9-4c6026db117f.json and https://artists.proofprofile.net/proofs/artist/70ca74a9-7896-4c6a-93d9-4c6026db117f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T21:38:09Z
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album: Misty
  type: MusicAlbum
  date published: 2016-11-30
  track: Misty
    type: MusicRecording
    duration: PT4M23S
    duration ms: 263945
    explicit: false
    by artist: Haruka Tojo
    in album: Misty
      type: MusicAlbum
      date published: 2016-11-30
    genre: anime
    genre: j-rock
    isrc code: TCJPE1673152
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T12:34:08+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc7c6dfeb83090d9f6b3fb35b76240c1ae56827b593052b3685e2e651d8628556
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958882
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPE1673152
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T15:36:54Z
    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 0xc7c6dfeb83090d9f6b3fb35b76240c1ae56827b593052b3685e2e651d8628556. Chain 2 (Bitcoin): anchored in block 958882 (2026-07-20T15:36:54Z), 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/TCJPE1673152.
      date published: 2026-07-20T15:36:54Z
    audio: Misty
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 173.929
      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: 0.48
      additional property: Energy
        type: PropertyValue
        value: 0.75
      additional property: Speechiness
        type: PropertyValue
        value: 0.041
      additional property: Acousticness
        type: PropertyValue
        value: 0.196
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.169
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.55
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.426
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
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album: Misty
  type: MusicAlbum
  date published: 2016-11-30
album: Blue Bud Blue
  type: MusicAlbum
  date published: 2017-08-23
album: Blue Bud Blue
  type: MusicAlbum
  date published: 2017-08-23
  track: Blue Bud Blue
    type: MusicRecording
    duration: PT4M44S
    duration ms: 284449
    explicit: false
    by artist: Haruka Tojo
    in album: Blue Bud Blue
      type: MusicAlbum
      date published: 2017-08-23
    genre: anime
    genre: j-rock
    isrc code: TCJPF1796228
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T01:17:10+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf69354a769baf53081d55858befc2a3c2a574f331f2f0fd3cba08d6f09b8f0a9
    additional property: OTSHash
    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956430
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPF1796228
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T02:22:42Z
    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 0xf69354a769baf53081d55858befc2a3c2a574f331f2f0fd3cba08d6f09b8f0a9. Chain 2 (Bitcoin): anchored in block 956430 (2026-07-03T02:22:42Z), 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/TCJPF1796228.
      date published: 2026-07-03T02:22:42Z
    audio: Blue Bud Blue
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 95.011
      additional property: Musical Key
        type: PropertyValue
        value: 3
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.411
      additional property: Energy
        type: PropertyValue
        value: 0.967
      additional property: Speechiness
        type: PropertyValue
        value: 0.128
      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: ao
album: アオ
album: Infant
album: Tiny Dreamer (English ver.)
album: ONE
album: NEW
album: Haru, kanade
album: 春、奏で
album: made

Acousticness
type: PropertyValue
value: 0.02

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.223

Valence (Positivity)
type: PropertyValue
value: 0.34

Loudness (dB)
type: PropertyValue
value: -2.693

Key Name
type: PropertyValue
value: Eb

Mode Name
type: PropertyValue
value: Minor

ao
type: MusicAlbum
date published: 2018-08-26

アオ
type: MusicAlbum
date published: 2018-08-26

Infant
type: MusicAlbum
date published: 2018-12-05

Infant
type: MusicAlbum
date published: 2018-12-05

Tiny Dreamer (English ver.)
type: MusicAlbum
date published: 2019-03-20

Tiny Dreamer (English ver.)
type: MusicAlbum
date published: 2019-03-20

ONE
type: MusicAlbum
date published: 2019-05-23

ONE
type: MusicAlbum
date published: 2019-05-23

NEW
type: MusicAlbum
date published: 2019-08-07
track: NEW
  type: MusicRecording
  duration: PT4M27S
  duration ms: 267467
  explicit: false
  by artist: Haruka Tojo
  in album: NEW
    type: MusicAlbum
    date published: 2019-08-07
  genre: anime
  genre: j-rock
  isrc code: TCJPJ1931155
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T23:48:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb7be15f0519e52f06e4e41315ab458693b989743b754c5a5df1670bca2ad5595
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPJ1931155
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  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 0xb7be15f0519e52f06e4e41315ab458693b989743b754c5a5df1670bca2ad5595. 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/TCJPJ1931155.
    date published: 2026-07-04T10:04:33Z
  audio: NEW
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 93.608
    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: 0.465
    additional property: Energy
      type: PropertyValue
      value: 0.979
    additional property: Speechiness
      type: PropertyValue
      value: 0.14
    additional property: Acousticness
      type: PropertyValue
      value: 0.009
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.103
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.243
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.528
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

NEW
type: MusicAlbum
date published: 2019-08-07

Haru, kanade
type: MusicAlbum
date published: 2020-04-06
track: Haru, kanade
  type: MusicRecording
  duration: PT3M38S
  duration ms: 218590
  explicit: false
  by artist: Haruka Tojo
  in album: Haru, kanade
    type: MusicAlbum
    date published: 2020-04-06
  genre: anime
  genre: j-rock
  isrc code: TCJPK2077958
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T04:03:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb77fdf3b47f24cb1b77404f786b258b4f04366c5238889f96b183d6336f9ed20
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958489
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958489
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPK2077958
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T04:13:26Z
  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 0xb77fdf3b47f24cb1b77404f786b258b4f04366c5238889f96b183d6336f9ed20. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/TCJPK2077958.
    date published: 2026-07-18T04:13:26Z
  audio: Haru, kanade
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 87.077
    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: 0.504
    additional property: Energy
      type: PropertyValue
      value: 0.871
    additional property: Speechiness
      type: PropertyValue
      value: 0.075
    additional property: Acousticness
      type: PropertyValue
      value: 0.035
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.18
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.821
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.018
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

春、奏で
type: MusicAlbum
date published: 2020-04-06

Haru, kanade
type: MusicAlbum
date published: 2020-05-27

春、奏で
type: MusicAlbum
date published: 2020-05-27

made
type: MusicAlbum
date published: 2022-10-23

made
type: MusicAlbum
date published: 2022-10-23