John Bence
type: MusicGroup
genre: dark ambient
genre: drone
description: John Bence may refer to: John Bence (1622–1688), English merchant and politician, John Bence (1670–1718), English politician, MP for Ipswich, and for Dunwich John Bence (1581–1635), MP for Aldebur
popularity: 3
followers: 1650
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x611e7aac1e6acd066c7f2bc6a68fd280e5d856bb50bca8ee4ca33a3e25106d82
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954043
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954043
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/405aaed5-7904-4908-b793-3086e2c18e77.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/405aaed5-7904-4908-b793-3086e2c18e77.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/405aaed5-7904-4908-b793-3086e2c18e77
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T04:15:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x611e7aac1e6acd066c7f2bc6a68fd280e5d856bb50bca8ee4ca33a3e25106d82","name":"John Bence","registered_at":"2026-06-16T12:03:10Z","symbol":"NIM1046039","token_address":"0xa3a7a873d230218589f18ff83937a5b833f7297f","type":"artist","uuid":"405aaed5-7904-4908-b793-3086e2c18e77"}
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 0x611e7aac1e6acd066c7f2bc6a68fd280e5d856bb50bca8ee4ca33a3e25106d82. Chain 2 (Bitcoin): anchored in block 954043 (2026-06-17T04:15:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/405aaed5-7904-4908-b793-3086e2c18e77.json and https://artists.proofprofile.net/proofs/artist/405aaed5-7904-4908-b793-3086e2c18e77.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T04:15:20Z
  text: {"copyright_id":"0x611e7aac1e6acd066c7f2bc6a68fd280e5d856bb50bca8ee4ca33a3e25106d82","name":"John Bence","registered_at":"2026-06-16T12:03:10Z","symbol":"NIM1046039","token_address":"0xa3a7a873d230218589f18ff83937a5b833f7297f","type":"artist","uuid":"405aaed5-7904-4908-b793-3086e2c18e77"}
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