Ai fen
type: MusicGroup
description: Ai Fen () is a Chinese doctor and director of the emergency department of Central Hospital of Wuhan. In December 2019, she was one of the first doctors to encounter pneumonia patients infected with th
popularity: 2
followers: 161
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x38abb16a03d3c1db6aaeadd30a55de5f4f2bd9a29c61b6d39b22942e44d02f74
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5ae4f59c-5a85-4802-8592-a38c20e297ce.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5ae4f59c-5a85-4802-8592-a38c20e297ce.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5ae4f59c-5a85-4802-8592-a38c20e297ce
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x38abb16a03d3c1db6aaeadd30a55de5f4f2bd9a29c61b6d39b22942e44d02f74","name":"Ai fen","registered_at":"2026-06-16T21:22:40Z","symbol":"NIM1179543","token_address":"0x0ce35cf5631e07323d6054660b2534a24d3ce8d7","type":"artist","uuid":"5ae4f59c-5a85-4802-8592-a38c20e297ce"}
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 0x38abb16a03d3c1db6aaeadd30a55de5f4f2bd9a29c61b6d39b22942e44d02f74. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5ae4f59c-5a85-4802-8592-a38c20e297ce.json and https://artists.proofprofile.net/proofs/artist/5ae4f59c-5a85-4802-8592-a38c20e297ce.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x38abb16a03d3c1db6aaeadd30a55de5f4f2bd9a29c61b6d39b22942e44d02f74","name":"Ai fen","registered_at":"2026-06-16T21:22:40Z","symbol":"NIM1179543","token_address":"0x0ce35cf5631e07323d6054660b2534a24d3ce8d7","type":"artist","uuid":"5ae4f59c-5a85-4802-8592-a38c20e297ce"}
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