전하연
type: MusicGroup
popularity: 2
followers: 49
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x54695d6f41ab64a9349b4e1b3bbfd710facb44303c1e1fca04820718c50d7019
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954717
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954717
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f523aef0-a731-4ee2-931c-10aefcd6e166.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f523aef0-a731-4ee2-931c-10aefcd6e166.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f523aef0-a731-4ee2-931c-10aefcd6e166
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T15:47:51Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x54695d6f41ab64a9349b4e1b3bbfd710facb44303c1e1fca04820718c50d7019","name":"전하연","registered_at":"2026-06-21T14:52:36Z","symbol":"NIM1952767","token_address":"0x9f554837bd5bdba3fe68f4e276e5d3cebe72d104","type":"artist","uuid":"f523aef0-a731-4ee2-931c-10aefcd6e166"}
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 0x54695d6f41ab64a9349b4e1b3bbfd710facb44303c1e1fca04820718c50d7019. Chain 2 (Bitcoin): anchored in block 954717 (2026-06-21T15:47:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f523aef0-a731-4ee2-931c-10aefcd6e166.json and https://artists.proofprofile.net/proofs/artist/f523aef0-a731-4ee2-931c-10aefcd6e166.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T15:47:51Z
  text: {"copyright_id":"0x54695d6f41ab64a9349b4e1b3bbfd710facb44303c1e1fca04820718c50d7019","name":"전하연","registered_at":"2026-06-21T14:52:36Z","symbol":"NIM1952767","token_address":"0x9f554837bd5bdba3fe68f4e276e5d3cebe72d104","type":"artist","uuid":"f523aef0-a731-4ee2-931c-10aefcd6e166"}
album: 널 비우다
  type: MusicAlbum
  date published: 2022-10-20
album: 버려진 왕녀는 반역한다(Original Webtoon Soundtrack) Pt.28
  type: MusicAlbum
  date published: 2024-03-31