Francesco Junior
type: MusicGroup
genre: canzone napoletana
genre: neomelodico
popularity: 11
followers: 4169
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x603c7a5f53562c95c7dc2084ff6cc89a1c4edd2c930ff7f89067bc32075bf7db
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953817
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953817
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f99c9867-39cc-4b93-9989-74f80f910348.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f99c9867-39cc-4b93-9989-74f80f910348.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f99c9867-39cc-4b93-9989-74f80f910348
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T18:10:31Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x603c7a5f53562c95c7dc2084ff6cc89a1c4edd2c930ff7f89067bc32075bf7db","name":"Francesco Junior","registered_at":"2026-06-15T06:42:13Z","symbol":"NIM0714037","token_address":"0x4ed9be4feb2f003f4be4d9d32c02f995ba45c102","type":"artist","uuid":"f99c9867-39cc-4b93-9989-74f80f910348"}
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 0x603c7a5f53562c95c7dc2084ff6cc89a1c4edd2c930ff7f89067bc32075bf7db. Chain 2 (Bitcoin): anchored in block 953817 (2026-06-15T18:10:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f99c9867-39cc-4b93-9989-74f80f910348.json and https://artists.proofprofile.net/proofs/artist/f99c9867-39cc-4b93-9989-74f80f910348.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T18:10:31Z
  text: {"copyright_id":"0x603c7a5f53562c95c7dc2084ff6cc89a1c4edd2c930ff7f89067bc32075bf7db","name":"Francesco Junior","registered_at":"2026-06-15T06:42:13Z","symbol":"NIM0714037","token_address":"0x4ed9be4feb2f003f4be4d9d32c02f995ba45c102","type":"artist","uuid":"f99c9867-39cc-4b93-9989-74f80f910348"}
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