Francesca Palumbo
type: MusicGroup
genre: neomelodico
description: Francesca Palumbo (born 10 February 1992) is an Italian fencer who won one gold medal at the 2015 Summer Universiade. She also won the bronze medal at 2019 European Fencing Championships. She comp
popularity: 2
followers: 35
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x506d1f8308172f0fbc2579d793e8cde5f3dee4af5c1c6eb41ac8f66a8b578775
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8a15d54f-6907-40ec-984a-84458a7d1836.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8a15d54f-6907-40ec-984a-84458a7d1836.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8a15d54f-6907-40ec-984a-84458a7d1836
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x506d1f8308172f0fbc2579d793e8cde5f3dee4af5c1c6eb41ac8f66a8b578775","name":"Francesca Palumbo","registered_at":"2026-06-17T13:36:16Z","symbol":"NIM1411680","token_address":"0x1d7527a862e50faae0cfcd4eee73f490d511c90b","type":"artist","uuid":"8a15d54f-6907-40ec-984a-84458a7d1836"}
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 0x506d1f8308172f0fbc2579d793e8cde5f3dee4af5c1c6eb41ac8f66a8b578775. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8a15d54f-6907-40ec-984a-84458a7d1836.json and https://artists.proofprofile.net/proofs/artist/8a15d54f-6907-40ec-984a-84458a7d1836.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x506d1f8308172f0fbc2579d793e8cde5f3dee4af5c1c6eb41ac8f66a8b578775","name":"Francesca Palumbo","registered_at":"2026-06-17T13:36:16Z","symbol":"NIM1411680","token_address":"0x1d7527a862e50faae0cfcd4eee73f490d511c90b","type":"artist","uuid":"8a15d54f-6907-40ec-984a-84458a7d1836"}
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