김상헌
type: MusicGroup
popularity: 7
followers: 184
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x24c18b7ffaa5020d993dcaf7cb30510c53c85746b9658c03b5803a8031292743
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954346
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954346
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/97d1a494-29a9-4160-8fa5-d48e9d7cdb48.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/97d1a494-29a9-4160-8fa5-d48e9d7cdb48.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/97d1a494-29a9-4160-8fa5-d48e9d7cdb48
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:51:26Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x24c18b7ffaa5020d993dcaf7cb30510c53c85746b9658c03b5803a8031292743","name":"김상헌","registered_at":"2026-06-17T18:36:44Z","symbol":"NIM1483405","token_address":"0x742e71f1deebf145a2c5ae06f7f59365f9f22c36","type":"artist","uuid":"97d1a494-29a9-4160-8fa5-d48e9d7cdb48"}
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 0x24c18b7ffaa5020d993dcaf7cb30510c53c85746b9658c03b5803a8031292743. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/97d1a494-29a9-4160-8fa5-d48e9d7cdb48.json and https://artists.proofprofile.net/proofs/artist/97d1a494-29a9-4160-8fa5-d48e9d7cdb48.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
  text: {"copyright_id":"0x24c18b7ffaa5020d993dcaf7cb30510c53c85746b9658c03b5803a8031292743","name":"김상헌","registered_at":"2026-06-17T18:36:44Z","symbol":"NIM1483405","token_address":"0x742e71f1deebf145a2c5ae06f7f59365f9f22c36","type":"artist","uuid":"97d1a494-29a9-4160-8fa5-d48e9d7cdb48"}