ryo fukawa
type: MusicGroup
description: thumb|200px|Fukawa working as the musician "ROCKETMAN". (2010) , also known as ROCKETMAN, is a Japanese comedian and musician. He belongs to Watanabe Entertainment. On television he generally takes mi
popularity: 2
followers: 350
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf2f30f8b79108a0805eab32c67648b1cfbd641a3880c2c22126f0844067ee1d4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954689
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954689
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e2cf4adb-76e7-46dd-aa05-f6018bc22f4c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e2cf4adb-76e7-46dd-aa05-f6018bc22f4c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e2cf4adb-76e7-46dd-aa05-f6018bc22f4c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T10:35:31Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf2f30f8b79108a0805eab32c67648b1cfbd641a3880c2c22126f0844067ee1d4","name":"ryo fukawa","registered_at":"2026-06-21T07:02:33Z","symbol":"NIM1856690","token_address":"0xc8c0e6167e5a0ea22503bec9b9238ed6a171c469","type":"artist","uuid":"e2cf4adb-76e7-46dd-aa05-f6018bc22f4c"}
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 0xf2f30f8b79108a0805eab32c67648b1cfbd641a3880c2c22126f0844067ee1d4. Chain 2 (Bitcoin): anchored in block 954689 (2026-06-21T10:35:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e2cf4adb-76e7-46dd-aa05-f6018bc22f4c.json and https://artists.proofprofile.net/proofs/artist/e2cf4adb-76e7-46dd-aa05-f6018bc22f4c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T10:35:31Z
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album: 愛のガチモード
  type: MusicAlbum
  date published: 2013-07-03
album: 愛のガチモード
  type: MusicAlbum
  date published: 2013-07-03
album: ALL I WANT IS MY MUSIC
  type: MusicAlbum
  date published: 2013-07-10
album: My favorite things remix
  type: MusicAlbum
  date published: 2013-07-10
album: Goodbye to loveII
  type: MusicAlbum
  date published: 2013-07-17
album: Goodbye to love
  type: MusicAlbum
  date published: 2013-07-17
album: endless summer
  type: MusicAlbum
  date published: 2013-08-07
album: birthday
  type: MusicAlbum
  date published: 2013-08-14
album: RAINBOW
  type: MusicAlbum
  date published: 2013-09-18
album: Forever Beethoven
  type: MusicAlbum
  date published: 2013-12-11
album: Forever Beethoven
  type: MusicAlbum
  date published: 2013-12-11
album: 溺れる羊
  type: MusicAlbum
  date published: 2014-01-15
album: 生まれ来る子供たちへ
  type: MusicAlbum
  date published: 2014-04-16
album: パン粉ぱんの唄 feat. Cana
  type: MusicAlbum
  date published: 2014-04-23
album: tonight ambient mix
  type: MusicAlbum
  date published: 2014-09-24
album: tonight
  type: MusicAlbum
  date published: 2014-09-24
album: we've only just begun feat. maria
  type: MusicAlbum
  date published: 2014-10-15
album: あの素晴しい愛をもう一度
  type: MusicAlbum
  date published: 2014-11-19
album: let me dance
  type: MusicAlbum
  date published: 2015-02-04
album: let me dance
  type: MusicAlbum
  date published: 2015-02-04
album: smile feat.maria
  type: MusicAlbum
  date published: 2015-02-11
album: どうにかなりそう
  type: MusicAlbum
  date published: 2015-04-08
album: どうにかなりそう
  type: MusicAlbum
  date published: 2015-04-08
album: どうにかなりそう
  type: MusicAlbum
  date published: 2015-04-08
album: Feel like makin' love
  type: MusicAlbum
  date published: 2015-06-10
album: coffee bossa feat. kaori sakakibara
  type: MusicAlbum
  date published: 2015-06-17
album: coffee bossa feat. kaori sakakibara
  type: MusicAlbum
  date published: 2015-06-17
album: close to you feat. GOW
  type: MusicAlbum
  date published: 2016-03-02