Lele Calò
type: MusicGroup
popularity: 3
followers: 451
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfee009d2826a8e43a23e26862e4213ad72a470d24cce2eab8a5d3ca4974e56c5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954513
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9f7a98f0-9727-4905-8c5e-31e1bed78a53.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9f7a98f0-9727-4905-8c5e-31e1bed78a53.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9f7a98f0-9727-4905-8c5e-31e1bed78a53
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T06:31:18Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfee009d2826a8e43a23e26862e4213ad72a470d24cce2eab8a5d3ca4974e56c5","name":"Lele Calò","registered_at":"2026-06-20T05:17:28Z","symbol":"NIM1523740","token_address":"0xed689ebb8f5b86959697452ac81c2562945678e4","type":"artist","uuid":"9f7a98f0-9727-4905-8c5e-31e1bed78a53"}
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 0xfee009d2826a8e43a23e26862e4213ad72a470d24cce2eab8a5d3ca4974e56c5. Chain 2 (Bitcoin): anchored in block 954513 (2026-06-20T06:31:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9f7a98f0-9727-4905-8c5e-31e1bed78a53.json and https://artists.proofprofile.net/proofs/artist/9f7a98f0-9727-4905-8c5e-31e1bed78a53.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T06:31:18Z
  text: {"copyright_id":"0xfee009d2826a8e43a23e26862e4213ad72a470d24cce2eab8a5d3ca4974e56c5","name":"Lele Calò","registered_at":"2026-06-20T05:17:28Z","symbol":"NIM1523740","token_address":"0xed689ebb8f5b86959697452ac81c2562945678e4","type":"artist","uuid":"9f7a98f0-9727-4905-8c5e-31e1bed78a53"}
album: Lele Calò canta i Messeri
  type: MusicAlbum
  date published: 2009
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  type: MusicAlbum
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  date published: 2015-06-28
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  date published: 2023-11-24
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  type: MusicAlbum
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