Hiroyuki Ehara
type: MusicGroup
popularity: 9
followers: 593
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3000b992a55b2dca15f3114e2aa6325606e539a84ce886751418c9d15d0abb21
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953846
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953846
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/00747588-aa7b-4bd3-8127-893961794e54.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/00747588-aa7b-4bd3-8127-893961794e54.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/00747588-aa7b-4bd3-8127-893961794e54
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T22:48:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3000b992a55b2dca15f3114e2aa6325606e539a84ce886751418c9d15d0abb21","name":"Hiroyuki Ehara","registered_at":"2026-06-15T13:52:29Z","symbol":"NIM0728406","token_address":"0x0f841653609fce493e860374d919d28911bc2094","type":"artist","uuid":"00747588-aa7b-4bd3-8127-893961794e54"}
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 0x3000b992a55b2dca15f3114e2aa6325606e539a84ce886751418c9d15d0abb21. Chain 2 (Bitcoin): anchored in block 953877 (2026-06-16T02:39:16Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/00747588-aa7b-4bd3-8127-893961794e54.json and https://artists.proofprofile.net/proofs/artist/00747588-aa7b-4bd3-8127-893961794e54.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T02:39:16Z
  text: {"copyright_id":"0x3000b992a55b2dca15f3114e2aa6325606e539a84ce886751418c9d15d0abb21","name":"Hiroyuki Ehara","registered_at":"2026-06-15T13:52:29Z","symbol":"NIM0728406","token_address":"0x0f841653609fce493e860374d919d28911bc2094","type":"artist","uuid":"00747588-aa7b-4bd3-8127-893961794e54"}
album: スピリチュアル ヴォイス
  type: MusicAlbum
  date published: 2004-12-22
album: スピリチュアル エナジー
  type: MusicAlbum
  date published: 2006-03-24
album: 幸せのみつけかた
  type: MusicAlbum
  date published: 2009-11-25