胖虎（董欣怡）
type: MusicGroup
genre: chinese r&b
popularity: 10
followers: 73
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa3a6ee57ed81bbc46c134c3a0419f9ff10c583509b4c35969f907d6a721cf687
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/5ba8c846-7736-45c3-97d5-633ab68798bc.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5ba8c846-7736-45c3-97d5-633ab68798bc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5ba8c846-7736-45c3-97d5-633ab68798bc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa3a6ee57ed81bbc46c134c3a0419f9ff10c583509b4c35969f907d6a721cf687","name":"胖虎（董欣怡）","registered_at":"2026-06-16T21:27:19Z","symbol":"NIM1180641","token_address":"0x4af182b5ecb173c4034456e17b4dfc6c2c6009bb","type":"artist","uuid":"5ba8c846-7736-45c3-97d5-633ab68798bc"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3a6ee57ed81bbc46c134c3a0419f9ff10c583509b4c35969f907d6a721cf687. 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/5ba8c846-7736-45c3-97d5-633ab68798bc.json and https://artists.proofprofile.net/proofs/artist/5ba8c846-7736-45c3-97d5-633ab68798bc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xa3a6ee57ed81bbc46c134c3a0419f9ff10c583509b4c35969f907d6a721cf687","name":"胖虎（董欣怡）","registered_at":"2026-06-16T21:27:19Z","symbol":"NIM1180641","token_address":"0x4af182b5ecb173c4034456e17b4dfc6c2c6009bb","type":"artist","uuid":"5ba8c846-7736-45c3-97d5-633ab68798bc"}
album: 爱丫爱丫
  type: MusicAlbum
  date published: 2019-10-23
album: 爱人错过
  type: MusicAlbum
  date published: 2021-05-20