조동익
type: MusicGroup
genre: folk pop
genre: k-ballad
popularity: 2
followers: 654
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4e5825e401ad207c5402f43ac322ab6b2c313b3f7fc00215b2073224932c494d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953907
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953907
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/152d6a26-7786-4b98-808b-305f5617e723.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/152d6a26-7786-4b98-808b-305f5617e723.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/152d6a26-7786-4b98-808b-305f5617e723
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T07:39:24Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4e5825e401ad207c5402f43ac322ab6b2c313b3f7fc00215b2073224932c494d","name":"조동익","registered_at":"2026-06-15T21:09:05Z","symbol":"NIM0832580","token_address":"0x5690635b4f8940ce985069a323346cf7b14e8cb1","type":"artist","uuid":"152d6a26-7786-4b98-808b-305f5617e723"}
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 0x4e5825e401ad207c5402f43ac322ab6b2c313b3f7fc00215b2073224932c494d. Chain 2 (Bitcoin): anchored in block 953907 (2026-06-16T07:39:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/152d6a26-7786-4b98-808b-305f5617e723.json and https://artists.proofprofile.net/proofs/artist/152d6a26-7786-4b98-808b-305f5617e723.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:39:24Z
  text: {"copyright_id":"0x4e5825e401ad207c5402f43ac322ab6b2c313b3f7fc00215b2073224932c494d","name":"조동익","registered_at":"2026-06-15T21:09:05Z","symbol":"NIM0832580","token_address":"0x5690635b4f8940ce985069a323346cf7b14e8cb1","type":"artist","uuid":"152d6a26-7786-4b98-808b-305f5617e723"}
album: 동경
  type: MusicAlbum
  date published: 1994-05-01