Ha Dong Geun
type: MusicGroup
popularity: 2
followers: 192
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc6a868d9cd6aef4635b90bfa399ef0fb9028c0518ecc2859852bd5adc337ecbb
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/57d0148b-1224-45cf-9a1d-7f05bdce515f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/57d0148b-1224-45cf-9a1d-7f05bdce515f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/57d0148b-1224-45cf-9a1d-7f05bdce515f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc6a868d9cd6aef4635b90bfa399ef0fb9028c0518ecc2859852bd5adc337ecbb","name":"Ha Dong Geun","registered_at":"2026-06-16T20:13:53Z","symbol":"NIM1163121","token_address":"0x1e0761463ededb49b93ae148b6a88715e5ad33d0","type":"artist","uuid":"57d0148b-1224-45cf-9a1d-7f05bdce515f"}
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 0xc6a868d9cd6aef4635b90bfa399ef0fb9028c0518ecc2859852bd5adc337ecbb. 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/57d0148b-1224-45cf-9a1d-7f05bdce515f.json and https://artists.proofprofile.net/proofs/artist/57d0148b-1224-45cf-9a1d-7f05bdce515f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xc6a868d9cd6aef4635b90bfa399ef0fb9028c0518ecc2859852bd5adc337ecbb","name":"Ha Dong Geun","registered_at":"2026-06-16T20:13:53Z","symbol":"NIM1163121","token_address":"0x1e0761463ededb49b93ae148b6a88715e5ad33d0","type":"artist","uuid":"57d0148b-1224-45cf-9a1d-7f05bdce515f"}
album: Honey song
  type: MusicAlbum
  date published: 2020-02-15
album: Hadonggeun 2nd
  type: MusicAlbum
  date published: 2021-08-31
album: Hadonggeun 3rd
  type: MusicAlbum
  date published: 2022-06-04
album: Hadonggeun 4th
  type: MusicAlbum
  date published: 2022-11-05
album: HELLO
  type: MusicAlbum
  date published: 2024-02-29
album: Boksepyeonsal (Live comfortably)
  type: MusicAlbum
  date published: 2025-04-14