Afro Poli
type: MusicGroup
genre: opera
description: Afro Poli (22 December 1902 – 22 February 1988) was an Italian operatic baritone, particularly associated with the Italian repertory.Kutsch, Karl J. and Riemens, Leo (2004). "Poli, Afro". Großes Sänge
popularity: 2
followers: 162
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcab7fc26583b0bd1e61b0a4159f8ee43bec6236338235df8e3b1c520dc8e4a91
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953909
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953909
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/157b1a83-f2a2-449a-bf53-43c6469fabbf.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/157b1a83-f2a2-449a-bf53-43c6469fabbf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/157b1a83-f2a2-449a-bf53-43c6469fabbf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T07:53:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcab7fc26583b0bd1e61b0a4159f8ee43bec6236338235df8e3b1c520dc8e4a91","name":"Afro Poli","registered_at":"2026-06-15T21:04:35Z","symbol":"NIM0831509","token_address":"0xb49060a53357320b23c3ae1a6d0fdffcc10ab646","type":"artist","uuid":"157b1a83-f2a2-449a-bf53-43c6469fabbf"}
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 0xcab7fc26583b0bd1e61b0a4159f8ee43bec6236338235df8e3b1c520dc8e4a91. 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/157b1a83-f2a2-449a-bf53-43c6469fabbf.json and https://artists.proofprofile.net/proofs/artist/157b1a83-f2a2-449a-bf53-43c6469fabbf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
  text: {"copyright_id":"0xcab7fc26583b0bd1e61b0a4159f8ee43bec6236338235df8e3b1c520dc8e4a91","name":"Afro Poli","registered_at":"2026-06-15T21:04:35Z","symbol":"NIM0831509","token_address":"0xb49060a53357320b23c3ae1a6d0fdffcc10ab646","type":"artist","uuid":"157b1a83-f2a2-449a-bf53-43c6469fabbf"}
album: A. Scarlatti: Il trionfo dell'onore
  type: MusicAlbum
  date published: 2016-10-07
album: Don Pasquale
  type: MusicAlbum
  date published: 2000-01-01