Катерина Малицька
type: MusicGroup
popularity: 15
followers: 782
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xea63bb91f4d105953e52f07b7bac5cc502fd340ce91f51581d5ffa7a258c1745
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953660
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953660
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/51e84f59-17c0-4f53-930d-04c9529e40e1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/51e84f59-17c0-4f53-930d-04c9529e40e1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/51e84f59-17c0-4f53-930d-04c9529e40e1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T17:20:01Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xea63bb91f4d105953e52f07b7bac5cc502fd340ce91f51581d5ffa7a258c1745","name":"Катерина Малицька","registered_at":"2026-06-14T13:08:21Z","symbol":"NIM0462534","token_address":"0xd337f09c2a728b6034f94ddf483e8012b1bccd39","type":"artist","uuid":"51e84f59-17c0-4f53-930d-04c9529e40e1"}
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 0xea63bb91f4d105953e52f07b7bac5cc502fd340ce91f51581d5ffa7a258c1745. Chain 2 (Bitcoin): anchored in block 953660 (2026-06-14T17:20:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/51e84f59-17c0-4f53-930d-04c9529e40e1.json and https://artists.proofprofile.net/proofs/artist/51e84f59-17c0-4f53-930d-04c9529e40e1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T17:20:01Z
  text: {"copyright_id":"0xea63bb91f4d105953e52f07b7bac5cc502fd340ce91f51581d5ffa7a258c1745","name":"Катерина Малицька","registered_at":"2026-06-14T13:08:21Z","symbol":"NIM0462534","token_address":"0xd337f09c2a728b6034f94ddf483e8012b1bccd39","type":"artist","uuid":"51e84f59-17c0-4f53-930d-04c9529e40e1"}
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