Robert Evans
type: MusicGroup
description: Robert Evans (born Robert J. Shapera; June 29, 1930 – October 26, 2019) was an American film producer, studio executive, and actor who worked on Rosemary's Baby (1968), Love Story (1970), The Godfathe
popularity: 6
followers: 80
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf172dbca9ede34bf19104403af2500a45a6dcca2288ea269e72f845b83549ba7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954050
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954050
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/42e27df5-ccb7-4611-90a6-5b260dd41de0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/42e27df5-ccb7-4611-90a6-5b260dd41de0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/42e27df5-ccb7-4611-90a6-5b260dd41de0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T05:14:33Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf172dbca9ede34bf19104403af2500a45a6dcca2288ea269e72f845b83549ba7","name":"Robert Evans","registered_at":"2026-06-16T12:52:19Z","symbol":"NIM1057758","token_address":"0x0da63e2cfb1d5c2456fb2eb228acf7fa1a9eb0b3","type":"artist","uuid":"42e27df5-ccb7-4611-90a6-5b260dd41de0"}
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 0xf172dbca9ede34bf19104403af2500a45a6dcca2288ea269e72f845b83549ba7. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/42e27df5-ccb7-4611-90a6-5b260dd41de0.json and https://artists.proofprofile.net/proofs/artist/42e27df5-ccb7-4611-90a6-5b260dd41de0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0xf172dbca9ede34bf19104403af2500a45a6dcca2288ea269e72f845b83549ba7","name":"Robert Evans","registered_at":"2026-06-16T12:52:19Z","symbol":"NIM1057758","token_address":"0x0da63e2cfb1d5c2456fb2eb228acf7fa1a9eb0b3","type":"artist","uuid":"42e27df5-ccb7-4611-90a6-5b260dd41de0"}
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  type: MusicAlbum
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  type: MusicAlbum
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