Giacomo Lauri-Volpi
type: MusicGroup
genre: italo dance
genre: opera
description: thumb|220px|right|Giacomo Lauri-Volpi in the role of Pedro in Franco Vittadini’s opera Anima allegra, 1923 Giacomo Lauri-Volpi (11 December 1892 – 17 March 1979) was an Italian tenor with a lyric voic
popularity: 2
followers: 215
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
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additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/656af454-48f5-4884-b654-2f1b373302a6.json
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/656af454-48f5-4884-b654-2f1b373302a6
additional property: OTSTimestamp
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  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
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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 0x608ef8eaf6d16fe31e273b70ab7edc1ca263db451cacf25004d6b50e8512900b. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/656af454-48f5-4884-b654-2f1b373302a6.json and https://artists.proofprofile.net/proofs/artist/656af454-48f5-4884-b654-2f1b373302a6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x608ef8eaf6d16fe31e273b70ab7edc1ca263db451cacf25004d6b50e8512900b","name":"Giacomo Lauri-Volpi","registered_at":"2026-06-17T01:00:20Z","symbol":"NIM1231445","token_address":"0x294c4d21c85b5795a59c527443ee21e071a2b00e","type":"artist","uuid":"656af454-48f5-4884-b654-2f1b373302a6"}
album: Giacomo Lauri Volpi : Recital
  type: MusicAlbum
  date published: 1998
album: Opera High Lights
  type: MusicAlbum
  date published: 2005-09-15
album: Opera High Lights
  type: MusicAlbum
  date published: 2005-09-15