かなけん
type: MusicGroup
popularity: 15
followers: 271
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x46f2ef302298f8e9b0a2976d9426136e18ff32527ec08d537b23b92d3c827a73
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953773
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953773
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c9eb8df7-9813-4068-aee0-2abb383b851e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c9eb8df7-9813-4068-aee0-2abb383b851e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c9eb8df7-9813-4068-aee0-2abb383b851e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T10:40:45Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x46f2ef302298f8e9b0a2976d9426136e18ff32527ec08d537b23b92d3c827a73","name":"かなけん","registered_at":"2026-06-15T01:50:12Z","symbol":"NIM0644333","token_address":"0xda2eea562e3828d263b5b0cf3c166d8ce0c8536d","type":"artist","uuid":"c9eb8df7-9813-4068-aee0-2abb383b851e"}
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 0x46f2ef302298f8e9b0a2976d9426136e18ff32527ec08d537b23b92d3c827a73. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c9eb8df7-9813-4068-aee0-2abb383b851e.json and https://artists.proofprofile.net/proofs/artist/c9eb8df7-9813-4068-aee0-2abb383b851e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T11:57:35Z
  text: {"copyright_id":"0x46f2ef302298f8e9b0a2976d9426136e18ff32527ec08d537b23b92d3c827a73","name":"かなけん","registered_at":"2026-06-15T01:50:12Z","symbol":"NIM0644333","token_address":"0xda2eea562e3828d263b5b0cf3c166d8ce0c8536d","type":"artist","uuid":"c9eb8df7-9813-4068-aee0-2abb383b851e"}
album: 天界弩級オシゴトロード
  type: MusicAlbum
  date published: 2024-12-23