Katerina Moutsatsos
type: MusicGroup
popularity: 2
followers: 3
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x88d323f22417bb3fef53344d3911ee285a024bdbd3e416732b9a7cc5cc980ed1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953991
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953991
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2ee19ebb-efa6-43bb-82fd-6dada78f11bc.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2ee19ebb-efa6-43bb-82fd-6dada78f11bc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2ee19ebb-efa6-43bb-82fd-6dada78f11bc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T18:47:23Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x88d323f22417bb3fef53344d3911ee285a024bdbd3e416732b9a7cc5cc980ed1","name":"Katerina Moutsatsos","registered_at":"2026-06-16T05:53:08Z","symbol":"NIM0957723","token_address":"0xa422b381d3de5af3f7b1bfa3b39cb844c16f35ad","type":"artist","uuid":"2ee19ebb-efa6-43bb-82fd-6dada78f11bc"}
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 0x88d323f22417bb3fef53344d3911ee285a024bdbd3e416732b9a7cc5cc980ed1. Chain 2 (Bitcoin): anchored in block 953991 (2026-06-16T18:47:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2ee19ebb-efa6-43bb-82fd-6dada78f11bc.json and https://artists.proofprofile.net/proofs/artist/2ee19ebb-efa6-43bb-82fd-6dada78f11bc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T18:47:23Z
  text: {"copyright_id":"0x88d323f22417bb3fef53344d3911ee285a024bdbd3e416732b9a7cc5cc980ed1","name":"Katerina Moutsatsos","registered_at":"2026-06-16T05:53:08Z","symbol":"NIM0957723","token_address":"0xa422b381d3de5af3f7b1bfa3b39cb844c16f35ad","type":"artist","uuid":"2ee19ebb-efa6-43bb-82fd-6dada78f11bc"}