Maurizio Costanzo
type: MusicGroup
description: Maurizio Costanzo (28 August 1938 – 24 February 2023) was an Italian television host, journalist, screenwriter, and film director. Biography Costanzo began his career as a journalist, first as a cont
popularity: 4
followers: 39
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9759c1ae162a97d110829914f5bffb24074d0e7e88e8c77e350af1073c7fd4cc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953922
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953922
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1b5a2141-0231-49f4-b644-625780ae2ce6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1b5a2141-0231-49f4-b644-625780ae2ce6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1b5a2141-0231-49f4-b644-625780ae2ce6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T09:36:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9759c1ae162a97d110829914f5bffb24074d0e7e88e8c77e350af1073c7fd4cc","name":"Maurizio Costanzo","registered_at":"2026-06-15T23:03:39Z","symbol":"NIM0859907","token_address":"0x11d3c9c4856a99d93e803e743fabb64ba819436a","type":"artist","uuid":"1b5a2141-0231-49f4-b644-625780ae2ce6"}
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 0x9759c1ae162a97d110829914f5bffb24074d0e7e88e8c77e350af1073c7fd4cc. Chain 2 (Bitcoin): anchored in block 953923 (2026-06-16T09:51:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1b5a2141-0231-49f4-b644-625780ae2ce6.json and https://artists.proofprofile.net/proofs/artist/1b5a2141-0231-49f4-b644-625780ae2ce6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T09:51:37Z
  text: {"copyright_id":"0x9759c1ae162a97d110829914f5bffb24074d0e7e88e8c77e350af1073c7fd4cc","name":"Maurizio Costanzo","registered_at":"2026-06-15T23:03:39Z","symbol":"NIM0859907","token_address":"0x11d3c9c4856a99d93e803e743fabb64ba819436a","type":"artist","uuid":"1b5a2141-0231-49f4-b644-625780ae2ce6"}
album: La Faccia Delle Persone
  type: MusicAlbum
  date published: 2024-05-27