Maria Kim
type: MusicGroup
description: Maria Kim (; June 18, 1891 – March 13, 1944) was a Korean independence activist during the period of Japanese colonial rule (1910–1945). Her birth name was Kim Jin-sang (金眞常) and she also went by the
popularity: 7
followers: 15
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3b363d786ff9f47f5f31dbf0c7273a3dc5de9eea821e0cc66173a00438421a16
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/cccf8855-e91b-4500-8b23-1ea38631c10f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/cccf8855-e91b-4500-8b23-1ea38631c10f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/cccf8855-e91b-4500-8b23-1ea38631c10f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3b363d786ff9f47f5f31dbf0c7273a3dc5de9eea821e0cc66173a00438421a16","name":"Maria Kim","registered_at":"2026-06-20T23:47:36Z","symbol":"NIM1749770","token_address":"0xa0ef78208a466f638bb59d459ab7bbf6f472da08","type":"artist","uuid":"cccf8855-e91b-4500-8b23-1ea38631c10f"}
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b363d786ff9f47f5f31dbf0c7273a3dc5de9eea821e0cc66173a00438421a16. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cccf8855-e91b-4500-8b23-1ea38631c10f.json and https://artists.proofprofile.net/proofs/artist/cccf8855-e91b-4500-8b23-1ea38631c10f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x3b363d786ff9f47f5f31dbf0c7273a3dc5de9eea821e0cc66173a00438421a16","name":"Maria Kim","registered_at":"2026-06-20T23:47:36Z","symbol":"NIM1749770","token_address":"0xa0ef78208a466f638bb59d459ab7bbf6f472da08","type":"artist","uuid":"cccf8855-e91b-4500-8b23-1ea38631c10f"}