David Diga Hernandez
type: MusicGroup
popularity: 5
followers: 355
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf71a2bf6f839e6cad3f9a0a4357b5f40f980373e1d16061feeeaa4f2fafe52b9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954638
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954638
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d4b9b792-3e09-4f39-b22c-15e91c3ea9ad.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d4b9b792-3e09-4f39-b22c-15e91c3ea9ad.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d4b9b792-3e09-4f39-b22c-15e91c3ea9ad
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T03:45:44Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf71a2bf6f839e6cad3f9a0a4357b5f40f980373e1d16061feeeaa4f2fafe52b9","name":"David Diga Hernandez","registered_at":"2026-06-21T02:11:05Z","symbol":"NIM1786576","token_address":"0x5d3e73c7a7c1caeb643d4e5673e6b28c8a85a7e6","type":"artist","uuid":"d4b9b792-3e09-4f39-b22c-15e91c3ea9ad"}
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 0xf71a2bf6f839e6cad3f9a0a4357b5f40f980373e1d16061feeeaa4f2fafe52b9. Chain 2 (Bitcoin): anchored in block 954638 (2026-06-21T03:45:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d4b9b792-3e09-4f39-b22c-15e91c3ea9ad.json and https://artists.proofprofile.net/proofs/artist/d4b9b792-3e09-4f39-b22c-15e91c3ea9ad.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T03:45:44Z
  text: {"copyright_id":"0xf71a2bf6f839e6cad3f9a0a4357b5f40f980373e1d16061feeeaa4f2fafe52b9","name":"David Diga Hernandez","registered_at":"2026-06-21T02:11:05Z","symbol":"NIM1786576","token_address":"0x5d3e73c7a7c1caeb643d4e5673e6b28c8a85a7e6","type":"artist","uuid":"d4b9b792-3e09-4f39-b22c-15e91c3ea9ad"}