Марина Шишковская
type: MusicGroup
popularity: 3
followers: 23
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x404317ec342ef2dc7e13f73b3fa48aea00db0fc2e5db6d378dd7a4bffeb05c03
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954131
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954131
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7cf72760-71e6-4784-b301-b247971c4c57.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7cf72760-71e6-4784-b301-b247971c4c57.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7cf72760-71e6-4784-b301-b247971c4c57
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T19:19:19Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x404317ec342ef2dc7e13f73b3fa48aea00db0fc2e5db6d378dd7a4bffeb05c03","name":"Марина Шишковская","registered_at":"2026-06-17T09:02:34Z","symbol":"NIM1346478","token_address":"0x4c137377e9054c00d9d713387afaf4d79b77a5e0","type":"artist","uuid":"7cf72760-71e6-4784-b301-b247971c4c57"}
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 0x404317ec342ef2dc7e13f73b3fa48aea00db0fc2e5db6d378dd7a4bffeb05c03. Chain 2 (Bitcoin): anchored in block 954131 (2026-06-17T19:19:19Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7cf72760-71e6-4784-b301-b247971c4c57.json and https://artists.proofprofile.net/proofs/artist/7cf72760-71e6-4784-b301-b247971c4c57.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T19:19:19Z
  text: {"copyright_id":"0x404317ec342ef2dc7e13f73b3fa48aea00db0fc2e5db6d378dd7a4bffeb05c03","name":"Марина Шишковская","registered_at":"2026-06-17T09:02:34Z","symbol":"NIM1346478","token_address":"0x4c137377e9054c00d9d713387afaf4d79b77a5e0","type":"artist","uuid":"7cf72760-71e6-4784-b301-b247971c4c57"}
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