Necessary Evil
type: MusicGroup
genre: j-rap
description: A necessary evil is an evil that someone believes must be done or accepted because it is necessary to achieve a better outcome—especially because possible alternative courses of action or inaction are
popularity: 6
followers: 190
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb6e66b2ee3121ff2b911d1cb77af30a60e42ad1d5121b769ef6ba0a81ab41405
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954631
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954631
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ce401c00-49d7-4f57-a89e-123822593421.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ce401c00-49d7-4f57-a89e-123822593421.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ce401c00-49d7-4f57-a89e-123822593421
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T02:46:24Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb6e66b2ee3121ff2b911d1cb77af30a60e42ad1d5121b769ef6ba0a81ab41405","name":"Necessary Evil","registered_at":"2026-06-20T23:57:38Z","symbol":"NIM1755173","token_address":"0xe1fabf6b8c16774f198d64a668434f97923a8f3a","type":"artist","uuid":"ce401c00-49d7-4f57-a89e-123822593421"}
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 0xb6e66b2ee3121ff2b911d1cb77af30a60e42ad1d5121b769ef6ba0a81ab41405. Chain 2 (Bitcoin): anchored in block 954631 (2026-06-21T02:46:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ce401c00-49d7-4f57-a89e-123822593421.json and https://artists.proofprofile.net/proofs/artist/ce401c00-49d7-4f57-a89e-123822593421.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T02:46:24Z
  text: {"copyright_id":"0xb6e66b2ee3121ff2b911d1cb77af30a60e42ad1d5121b769ef6ba0a81ab41405","name":"Necessary Evil","registered_at":"2026-06-20T23:57:38Z","symbol":"NIM1755173","token_address":"0xe1fabf6b8c16774f198d64a668434f97923a8f3a","type":"artist","uuid":"ce401c00-49d7-4f57-a89e-123822593421"}
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