Jeff Lindsay
type: MusicGroup
description: Jeffry P. Freundlich (born July 14, 1952), primarily known by his pen name Jeff Lindsay, is an American playwright and crime novelist. He is best known for his novels about the fictional psychopathic
popularity: 23
followers: 217
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5080b74fc7d675e169c680d2dcbdc2a81e8d16cd912b5ca80d605632f3bfdacc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953408
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953408
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d401f9d8-da8d-4fe8-be08-92109c1eb9d1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d401f9d8-da8d-4fe8-be08-92109c1eb9d1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d401f9d8-da8d-4fe8-be08-92109c1eb9d1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:28:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5080b74fc7d675e169c680d2dcbdc2a81e8d16cd912b5ca80d605632f3bfdacc","name":"Jeff Lindsay","registered_at":"2026-06-12T10:39:18Z","symbol":"NIM0272572","token_address":"0xd5ae13a2955c9313c59d220d3234beb564689ebf","type":"artist","uuid":"d401f9d8-da8d-4fe8-be08-92109c1eb9d1"}
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 0x5080b74fc7d675e169c680d2dcbdc2a81e8d16cd912b5ca80d605632f3bfdacc. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d401f9d8-da8d-4fe8-be08-92109c1eb9d1.json and https://artists.proofprofile.net/proofs/artist/d401f9d8-da8d-4fe8-be08-92109c1eb9d1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0x5080b74fc7d675e169c680d2dcbdc2a81e8d16cd912b5ca80d605632f3bfdacc","name":"Jeff Lindsay","registered_at":"2026-06-12T10:39:18Z","symbol":"NIM0272572","token_address":"0xd5ae13a2955c9313c59d220d3234beb564689ebf","type":"artist","uuid":"d401f9d8-da8d-4fe8-be08-92109c1eb9d1"}
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