Izumi Tachibana
type: MusicGroup
genre: j-pop
genre: kayokyoku
popularity: 17
followers: 4204
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x71cefb5060d1c3293f7d05c316d07845d585248c20c863b5dbd529b114875691
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953616
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953616
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1b3f7942-ea31-4edd-aeb0-662c93133ec5.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1b3f7942-ea31-4edd-aeb0-662c93133ec5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1b3f7942-ea31-4edd-aeb0-662c93133ec5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T08:58:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x71cefb5060d1c3293f7d05c316d07845d585248c20c863b5dbd529b114875691","name":"Izumi Tachibana","registered_at":"2026-06-14T07:15:15Z","symbol":"NIM0378306","token_address":"0xbf1ad2ad6d3ce1b5b04641031894145c3dac5790","type":"artist","uuid":"1b3f7942-ea31-4edd-aeb0-662c93133ec5"}
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 0x71cefb5060d1c3293f7d05c316d07845d585248c20c863b5dbd529b114875691. Chain 2 (Bitcoin): anchored in block 953617 (2026-06-14T09:00:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1b3f7942-ea31-4edd-aeb0-662c93133ec5.json and https://artists.proofprofile.net/proofs/artist/1b3f7942-ea31-4edd-aeb0-662c93133ec5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T09:00:45Z
  text: {"copyright_id":"0x71cefb5060d1c3293f7d05c316d07845d585248c20c863b5dbd529b114875691","name":"Izumi Tachibana","registered_at":"2026-06-14T07:15:15Z","symbol":"NIM0378306","token_address":"0xbf1ad2ad6d3ce1b5b04641031894145c3dac5790","type":"artist","uuid":"1b3f7942-ea31-4edd-aeb0-662c93133ec5"}
album: 君なら大丈夫だよ
  type: MusicAlbum
  date published: 1992
album: 君なら大丈夫だよ
  type: MusicAlbum
  date published: 1992-06-21
album: どんなに打ちのめされても
  type: MusicAlbum
  date published: 1993
  track: 失格
    type: MusicRecording
    duration: PT5M41S
    duration ms: 341160
    explicit: false
    by artist: Izumi Tachibana
    in album: どんなに打ちのめされても
      type: MusicAlbum
      date published: 1993
    genre: j-pop
    genre: kayokyoku
    isrc code: JPSR09360099
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T22:46:15+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x00cbc7db745a8fbe449164320682713d0a183e7b2cb7144d94169034c967c6d4
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958468
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958468
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPSR09360099
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T00:27:51Z
    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 0x00cbc7db745a8fbe449164320682713d0a183e7b2cb7144d94169034c967c6d4. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/JPSR09360099.
      date published: 2026-07-18T00:27:51Z
    audio: 失格
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 108.072
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.576
      additional property: Energy
        type: PropertyValue
        value: 0.933
      additional property: Speechiness
        type: PropertyValue
        value: 0.061
      additional property: Acousticness
        type: PropertyValue
        value: 0.002
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.034
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.321
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.756
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: どんなに打ちのめされても
  type: MusicAlbum
  date published: 1993-04-01
album: 太陽が見てるから
  type: MusicAlbum
  date published: 1994
  track: バニラ
    type: MusicRecording
    duration: PT3M37S
    duration ms: 217533
    explicit: false
    by artist: Izumi Tachibana
    in album: 太陽が見てるから
      type: MusicAlbum
      date published: 1994
    genre: j-pop
    genre: kayokyoku
    isrc code: JPSR09315570
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T16:22:45+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb7e588491e5592be59f8eede223b33352031eebaf807f7aa1f0cd0533878b7d8
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956826
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956826
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPSR09315570
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T19:27:56Z
    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 0xb7e588491e5592be59f8eede223b33352031eebaf807f7aa1f0cd0533878b7d8. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/JPSR09315570.
      date published: 2026-07-05T19:27:56Z
    audio: バニラ
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 107.275
      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: 0.561
      additional property: Energy
        type: PropertyValue
        value: 0.914
      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
  track: サルの歌
album: こぼれおちるもの
album: 十字架とコイン
album: ごらん、あれがオリオン座だよ
album: TOUGH
album: bellybutton
album: GOLDEN☆BEST / 橘 いずみ
album: SUPER SUNNY DAY
album: 深色
album: 永遠のパズル / 失格 BESTタッグ

Speechiness
type: PropertyValue
value: 0.047

Acousticness
type: PropertyValue
value: 0.088

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.226

Valence (Positivity)
type: PropertyValue
value: 0.555

Loudness (dB)
type: PropertyValue
value: -7.25

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

サルの歌
type: MusicRecording
duration: PT4M21S
duration ms: 261133
explicit: false
by artist: Izumi Tachibana
in album: 太陽が見てるから
  type: MusicAlbum
  date published: 1994
genre: j-pop
genre: kayokyoku
isrc code: JPSR09321880
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T01:20:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf43b7a9dff826c98aba21f83f625d794cd47d14d9906afa4078e7fb432caf245
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956748
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956748
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPSR09321880
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T05:55:59Z
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 0xf43b7a9dff826c98aba21f83f625d794cd47d14d9906afa4078e7fb432caf245. Chain 2 (Bitcoin): anchored in block 956748 (2026-07-05T05:55:59Z), 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/JPSR09321880.
  date published: 2026-07-05T05:55:59Z
audio: サルの歌
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 72.799
  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: 0.607
  additional property: Energy
    type: PropertyValue
    value: 0.378
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.498
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.201
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.21
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.347
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

こぼれおちるもの
type: MusicAlbum
date published: 1994

太陽が見てるから
type: MusicAlbum
date published: 1994-01-12

こぼれおちるもの
type: MusicAlbum
date published: 1994-06-22

十字架とコイン
type: MusicAlbum
date published: 1995

十字架とコイン
type: MusicAlbum
date published: 1995-02-22

ごらん、あれがオリオン座だよ
type: MusicAlbum
date published: 1996

ごらん、あれがオリオン座だよ
type: MusicAlbum
date published: 1996-03-21

TOUGH
type: MusicAlbum
date published: 1997

bellybutton
type: MusicAlbum
date published: 2001-09-27

GOLDEN☆BEST / 橘 いずみ
type: MusicAlbum
date published: 2002

SUPER SUNNY DAY
type: MusicAlbum
date published: 2002-03-06

GOLDEN☆BEST / 橘 いずみ
type: MusicAlbum
date published: 2002-06-19

深色
type: MusicAlbum
date published: 2002-07-31

永遠のパズル / 失格 BESTタッグ
type: MusicAlbum
date published: 2022-03-23