RFC 3161 Cryptographic Timestamp Proof

International Registry of Traditional Science — Independent Verification Page
TSA-VERIFIED HASH: MATCH SHA-256 RFC 3161

Record Identity

Registry ID IRTS-2026-MBG-0006
Title Kilenge (Flenke) Language System: Kikongo-Substrate Creole Argot of the Bongo Convince Lineage, Jamaica — Foundational 102-Word Lexicon with Kikongo/Kimbundu Etymological Citations
Filing Date 20260523

Cryptographic Proof

SHA-256 Content Hash 8b9fffbbe17bacb305e42bb9d8aab55b5edd79a6e2e62c44a014b9e47669db5a
Hash Integrity MATCH — live content hash equals stored proof hash
TSR (RFC 3161 Response) MIISFjADAgEAMIISDQYJKoZIhvcNAQcCoIIR/jCCEfoCAQMxDzANBglghkgBZQMEAgMFADCCAYYGCyqGSIb3DQEJEAEEoIIBdQSCAXEwggFtAgEBBgQqAwQB… Download full proof (JSON) ↗
TSA Authority https://freetsa.org/tsr Submitted: 2026-05-23T17:03:53.281112+00:00

Independent Verification Steps

  1. Retrieve the record via /oai?verb=GetRecord
  2. Compute SHA-256 of the canonical JSON — expected: 8b9fffbbe17bacb3…
  3. Download the full JSON proof and extract tsa_response_b64
  4. Verify with OpenSSL: openssl ts -verify -data record.json -in proof.tsr -CAfile cacert.pem

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