Nancy Preziosa
type: MusicGroup
genre: canzone napoletana
genre: neomelodico
popularity: 2
followers: 289
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa348d4b9f9c23d371169b388b446dab9fb84a81b30a89224bb927d665152432e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953899
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953899
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/12ffe02a-8f8f-409c-bb15-c872a7c98b1d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/12ffe02a-8f8f-409c-bb15-c872a7c98b1d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/12ffe02a-8f8f-409c-bb15-c872a7c98b1d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T06:37:25Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa348d4b9f9c23d371169b388b446dab9fb84a81b30a89224bb927d665152432e","name":"Nancy Preziosa","registered_at":"2026-06-15T20:23:50Z","symbol":"NIM0821800","token_address":"0x65ff663c529c7489089dfd996aac53f323d3a7c8","type":"artist","uuid":"12ffe02a-8f8f-409c-bb15-c872a7c98b1d"}
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 0xa348d4b9f9c23d371169b388b446dab9fb84a81b30a89224bb927d665152432e. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/12ffe02a-8f8f-409c-bb15-c872a7c98b1d.json and https://artists.proofprofile.net/proofs/artist/12ffe02a-8f8f-409c-bb15-c872a7c98b1d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
  text: {"copyright_id":"0xa348d4b9f9c23d371169b388b446dab9fb84a81b30a89224bb927d665152432e","name":"Nancy Preziosa","registered_at":"2026-06-15T20:23:50Z","symbol":"NIM0821800","token_address":"0x65ff663c529c7489089dfd996aac53f323d3a7c8","type":"artist","uuid":"12ffe02a-8f8f-409c-bb15-c872a7c98b1d"}
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  type: MusicAlbum
  date published: 2011
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