Hans Frans
type: MusicGroup
genre: soul jazz
popularity: 2
followers: 62
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdddf484ac212429f8de7ff4150216d861cfc23f41054e44ea01866258fd76965
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953997
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953997
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3127fd02-f786-481c-9d4e-9f69c7705c1f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3127fd02-f786-481c-9d4e-9f69c7705c1f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3127fd02-f786-481c-9d4e-9f69c7705c1f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T20:07:57Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdddf484ac212429f8de7ff4150216d861cfc23f41054e44ea01866258fd76965","name":"Hans Frans","registered_at":"2026-06-16T06:42:33Z","symbol":"NIM0969524","token_address":"0x403d47aac4b0a0997f0797b6abd494c279029a80","type":"artist","uuid":"3127fd02-f786-481c-9d4e-9f69c7705c1f"}
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 0xdddf484ac212429f8de7ff4150216d861cfc23f41054e44ea01866258fd76965. Chain 2 (Bitcoin): anchored in block 953999 (2026-06-16T20:20:58Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3127fd02-f786-481c-9d4e-9f69c7705c1f.json and https://artists.proofprofile.net/proofs/artist/3127fd02-f786-481c-9d4e-9f69c7705c1f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:20:58Z
  text: {"copyright_id":"0xdddf484ac212429f8de7ff4150216d861cfc23f41054e44ea01866258fd76965","name":"Hans Frans","registered_at":"2026-06-16T06:42:33Z","symbol":"NIM0969524","token_address":"0x403d47aac4b0a0997f0797b6abd494c279029a80","type":"artist","uuid":"3127fd02-f786-481c-9d4e-9f69c7705c1f"}
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