David Castello-Lopes
type: MusicGroup
description: David Castello-Lopes (born 16 September 1981) is a French-Portuguese journalist, comedian, and videographer. Early life David Castello-Lopes was born on 16 September 1981 in the 12th arrondissement
popularity: 28
followers: 14593
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbac78a8de342a29240a2aeb23ce4aeed8f856062e1d731d69bface2c494b64af
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/aef8a909-0280-4b0f-a055-ea58a004a308.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/aef8a909-0280-4b0f-a055-ea58a004a308.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/aef8a909-0280-4b0f-a055-ea58a004a308
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbac78a8de342a29240a2aeb23ce4aeed8f856062e1d731d69bface2c494b64af","name":"David Castello-Lopes","registered_at":"2026-06-12T07:15:31Z","symbol":"NIM0225299","token_address":"0x55069283d3f3b8996f575af49f595ec3089c1799","type":"artist","uuid":"aef8a909-0280-4b0f-a055-ea58a004a308"}
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 0xbac78a8de342a29240a2aeb23ce4aeed8f856062e1d731d69bface2c494b64af. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/aef8a909-0280-4b0f-a055-ea58a004a308.json and https://artists.proofprofile.net/proofs/artist/aef8a909-0280-4b0f-a055-ea58a004a308.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0xbac78a8de342a29240a2aeb23ce4aeed8f856062e1d731d69bface2c494b64af","name":"David Castello-Lopes","registered_at":"2026-06-12T07:15:31Z","symbol":"NIM0225299","token_address":"0x55069283d3f3b8996f575af49f595ec3089c1799","type":"artist","uuid":"aef8a909-0280-4b0f-a055-ea58a004a308"}
album: Je possède des thunes
  type: MusicAlbum
  date published: 2021-07-15
album: Un morceau d'emmental
  type: MusicAlbum
  date published: 2021-11-04
album: Je veux du sale
  type: MusicAlbum
  date published: 2022-06-21
album: Rome
  type: MusicAlbum
  date published: 2023-07-07
album: Mate le PIB
  type: MusicAlbum
  date published: 2024-05-31
album: Sono Ticinese
  type: MusicAlbum
  date published: 2024-07-27