Hiroyuki Takami
type: MusicGroup
description: Hiroyuki Takami (貴水博之 Takami Hiroyuki, born 3 June 1969 Saitama, Japan, birthname Fukuda Hiroyuki 福田博幸) is a Japanese singer and actor. He is a member of the Japanese pop group access or AXS. Hiroyu
popularity: 9
followers: 832
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6f7c1d47ebc5a2d100c73f0b6b4036f1828239a47977be80b8e85b39929025e4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fcc2bd22-d336-4716-ad88-89e2961e355b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fcc2bd22-d336-4716-ad88-89e2961e355b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fcc2bd22-d336-4716-ad88-89e2961e355b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6f7c1d47ebc5a2d100c73f0b6b4036f1828239a47977be80b8e85b39929025e4","name":"Hiroyuki Takami","registered_at":"2026-06-21T17:52:55Z","symbol":"NIM1989429","token_address":"0xfcd841035b141c0f310891b5ef71629c4c881b7e","type":"artist","uuid":"fcc2bd22-d336-4716-ad88-89e2961e355b"}
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 0x6f7c1d47ebc5a2d100c73f0b6b4036f1828239a47977be80b8e85b39929025e4. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fcc2bd22-d336-4716-ad88-89e2961e355b.json and https://artists.proofprofile.net/proofs/artist/fcc2bd22-d336-4716-ad88-89e2961e355b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0x6f7c1d47ebc5a2d100c73f0b6b4036f1828239a47977be80b8e85b39929025e4","name":"Hiroyuki Takami","registered_at":"2026-06-21T17:52:55Z","symbol":"NIM1989429","token_address":"0xfcd841035b141c0f310891b5ef71629c4c881b7e","type":"artist","uuid":"fcc2bd22-d336-4716-ad88-89e2961e355b"}
album: Eternal Sky
  type: MusicAlbum
  date published: 2011-10-26
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  type: MusicAlbum
  date published: 2018-08-22
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  type: MusicAlbum
  date published: 2019-08-28
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  type: MusicAlbum
  date published: 2023-01-26
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  type: MusicAlbum
  date published: 2023-08-28
album: TOUCH
  type: MusicAlbum
  date published: 2024-08-30
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  type: MusicAlbum
  date published: 2025-09-01