Bad Penny
type: MusicGroup
genre: celtic rock
genre: medieval metal
description: Bad Penny may refer to: In aircraft "Bad Penny" (aircraft), a nickname for an Avro Lancaster involved in Operation Manna In media and entertainment "Bad Penny" (song), a song by Rory Gallagher Ba
popularity: 2
followers: 70
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x67eba01abcea114e3cee1dc6ac6d8befbbb1a1abb1a65ce5e0072a68b59a71bc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954513
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9e3fe7a1-fdd3-4c2b-a001-9d6ab9a4b133.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9e3fe7a1-fdd3-4c2b-a001-9d6ab9a4b133.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9e3fe7a1-fdd3-4c2b-a001-9d6ab9a4b133
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T06:31:18Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x67eba01abcea114e3cee1dc6ac6d8befbbb1a1abb1a65ce5e0072a68b59a71bc","name":"Bad Penny","registered_at":"2026-06-20T04:30:31Z","symbol":"NIM1512820","token_address":"0x3adc6f3ced07051f2e819953f384971818bbd63a","type":"artist","uuid":"9e3fe7a1-fdd3-4c2b-a001-9d6ab9a4b133"}
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 0x67eba01abcea114e3cee1dc6ac6d8befbbb1a1abb1a65ce5e0072a68b59a71bc. Chain 2 (Bitcoin): anchored in block 954513 (2026-06-20T06:31:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9e3fe7a1-fdd3-4c2b-a001-9d6ab9a4b133.json and https://artists.proofprofile.net/proofs/artist/9e3fe7a1-fdd3-4c2b-a001-9d6ab9a4b133.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T06:31:18Z
  text: {"copyright_id":"0x67eba01abcea114e3cee1dc6ac6d8befbbb1a1abb1a65ce5e0072a68b59a71bc","name":"Bad Penny","registered_at":"2026-06-20T04:30:31Z","symbol":"NIM1512820","token_address":"0x3adc6f3ced07051f2e819953f384971818bbd63a","type":"artist","uuid":"9e3fe7a1-fdd3-4c2b-a001-9d6ab9a4b133"}
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  date published: 2003-06-01
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