Alberto Mancini
type: MusicGroup
description: Alberto César Mancini (born 20 May 1969) is a former professional tennis player from Argentina. He won three top-level singles titles and four tour doubles titles. His career-high rankings were World
popularity: 2
followers: 80
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6bee40794ac09296d21b7612b75784bfa15f54a0ae0317417c19fce482bc98dd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/62fb3b13-f4f8-4a64-bb40-88689be986b9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/62fb3b13-f4f8-4a64-bb40-88689be986b9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/62fb3b13-f4f8-4a64-bb40-88689be986b9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6bee40794ac09296d21b7612b75784bfa15f54a0ae0317417c19fce482bc98dd","name":"Alberto Mancini","registered_at":"2026-06-17T00:04:13Z","symbol":"NIM1218062","token_address":"0x0d54eef26c7527aa0443eb32f077f1fe12280320","type":"artist","uuid":"62fb3b13-f4f8-4a64-bb40-88689be986b9"}
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 0x6bee40794ac09296d21b7612b75784bfa15f54a0ae0317417c19fce482bc98dd. 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/62fb3b13-f4f8-4a64-bb40-88689be986b9.json and https://artists.proofprofile.net/proofs/artist/62fb3b13-f4f8-4a64-bb40-88689be986b9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x6bee40794ac09296d21b7612b75784bfa15f54a0ae0317417c19fce482bc98dd","name":"Alberto Mancini","registered_at":"2026-06-17T00:04:13Z","symbol":"NIM1218062","token_address":"0x0d54eef26c7527aa0443eb32f077f1fe12280320","type":"artist","uuid":"62fb3b13-f4f8-4a64-bb40-88689be986b9"}
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  type: MusicAlbum
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  type: MusicAlbum
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