Mitchell Cohen
type: MusicGroup
description: Mitchell Cohen is an author, essayist and critic. He is professor of political science at Baruch College of the City University of New York and the CUNY Graduate Center. From 1991 to 2009, he was co-e
popularity: 2
followers: 132
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5651ec50cb2c19cb9b814202fe9ee90060c68bb3c1bebb7828c8ae3d3cf944c3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/df512b84-0eea-4a79-8c3a-a183ca399efa.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/df512b84-0eea-4a79-8c3a-a183ca399efa.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/df512b84-0eea-4a79-8c3a-a183ca399efa
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5651ec50cb2c19cb9b814202fe9ee90060c68bb3c1bebb7828c8ae3d3cf944c3","name":"Mitchell Cohen","registered_at":"2026-06-21T06:07:05Z","symbol":"NIM1842606","token_address":"0xeeeb46a4d9202bb629b4ab77cf03b854a585b994","type":"artist","uuid":"df512b84-0eea-4a79-8c3a-a183ca399efa"}
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 0x5651ec50cb2c19cb9b814202fe9ee90060c68bb3c1bebb7828c8ae3d3cf944c3. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/df512b84-0eea-4a79-8c3a-a183ca399efa.json and https://artists.proofprofile.net/proofs/artist/df512b84-0eea-4a79-8c3a-a183ca399efa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x5651ec50cb2c19cb9b814202fe9ee90060c68bb3c1bebb7828c8ae3d3cf944c3","name":"Mitchell Cohen","registered_at":"2026-06-21T06:07:05Z","symbol":"NIM1842606","token_address":"0xeeeb46a4d9202bb629b4ab77cf03b854a585b994","type":"artist","uuid":"df512b84-0eea-4a79-8c3a-a183ca399efa"}
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