Johnson Mafia
type: MusicGroup
genre: dembow
popularity: 8
followers: 24
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd8a77b7880e0af9bc4340baeb31eca3b355bb556691896d1450d687ced5120e4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953923
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953923
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1c6bb2b0-04cf-445c-8524-efd26495821e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1c6bb2b0-04cf-445c-8524-efd26495821e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1c6bb2b0-04cf-445c-8524-efd26495821e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T09:51:37Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd8a77b7880e0af9bc4340baeb31eca3b355bb556691896d1450d687ced5120e4","name":"Johnson Mafia","registered_at":"2026-06-15T23:30:07Z","symbol":"NIM0866234","token_address":"0x6f3562f03fff5c7d78a72fee406ae924b7ebaeaa","type":"artist","uuid":"1c6bb2b0-04cf-445c-8524-efd26495821e"}
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 0xd8a77b7880e0af9bc4340baeb31eca3b355bb556691896d1450d687ced5120e4. Chain 2 (Bitcoin): anchored in block 953923 (2026-06-16T09:51:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1c6bb2b0-04cf-445c-8524-efd26495821e.json and https://artists.proofprofile.net/proofs/artist/1c6bb2b0-04cf-445c-8524-efd26495821e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T09:51:37Z
  text: {"copyright_id":"0xd8a77b7880e0af9bc4340baeb31eca3b355bb556691896d1450d687ced5120e4","name":"Johnson Mafia","registered_at":"2026-06-15T23:30:07Z","symbol":"NIM0866234","token_address":"0x6f3562f03fff5c7d78a72fee406ae924b7ebaeaa","type":"artist","uuid":"1c6bb2b0-04cf-445c-8524-efd26495821e"}
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