Giovanni Antonacci
type: MusicGroup
popularity: 3
followers: 559
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb721424b928069aad963a3b383a6ba2d24450d6ea4cb5a7c80b33c59b34348f5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954014
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954014
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/353891f2-322e-42c3-9f43-f4291bc8351c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/353891f2-322e-42c3-9f43-f4291bc8351c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/353891f2-322e-42c3-9f43-f4291bc8351c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T22:46:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb721424b928069aad963a3b383a6ba2d24450d6ea4cb5a7c80b33c59b34348f5","name":"Giovanni Antonacci","registered_at":"2026-06-16T08:08:42Z","symbol":"NIM0990104","token_address":"0x74005926b9b5fe8a6be05eba59312fbd335daa12","type":"artist","uuid":"353891f2-322e-42c3-9f43-f4291bc8351c"}
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 0xb721424b928069aad963a3b383a6ba2d24450d6ea4cb5a7c80b33c59b34348f5. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/353891f2-322e-42c3-9f43-f4291bc8351c.json and https://artists.proofprofile.net/proofs/artist/353891f2-322e-42c3-9f43-f4291bc8351c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
  text: {"copyright_id":"0xb721424b928069aad963a3b383a6ba2d24450d6ea4cb5a7c80b33c59b34348f5","name":"Giovanni Antonacci","registered_at":"2026-06-16T08:08:42Z","symbol":"NIM0990104","token_address":"0x74005926b9b5fe8a6be05eba59312fbd335daa12","type":"artist","uuid":"353891f2-322e-42c3-9f43-f4291bc8351c"}
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  type: MusicAlbum
  date published: 2019-04-19
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  date published: 2021-02-05
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  type: MusicAlbum
  date published: 2022-07-22
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2023-01-27