Pith Number

pith:H2K6VRDD

pith:2026:H2K6VRDDGSLA3GHNWCMYK7DE52

not attested not anchored not stored refs pending

Post-Quantum Discovery as a Governance Capability: Evidence-Based Cryptographic Visibility and Exposure Prioritisation in a Critical Service Provider

Bart Preneel, Edoardo Pena-Gonzalez, Jaime Gomez Garcia, Jelena Zelenovic, Leila Taghizadeh

arxiv:2605.16549 v1 · 2026-05-15 · cs.CR · cs.CE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H2K6VRDDGSLA3GHNWCMYK7DE52}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-20T00:02:28.678087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e95eac46334960d98edb099857c64ee82625d79d2f52ab98e84b733f2808738

Aliases

arxiv: 2605.16549 · arxiv_version: 2605.16549v1 · doi: 10.48550/arxiv.2605.16549 · pith_short_12: H2K6VRDDGSLA · pith_short_16: H2K6VRDDGSLA3GHN · pith_short_8: H2K6VRDD

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/H2K6VRDDGSLA3GHNWCMYK7DE52 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 3e95eac46334960d98edb099857c64ee82625d79d2f52ab98e84b733f2808738

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcee07af03105c64ac1910c2d59a93ebfb1f96253bf9bca4ee3115a3ad7939a7",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-05-15T18:46:15Z",
    "title_canon_sha256": "4f8fea5c2bf40fbf483310829555736b8b70fd3c1caba8d9a1e2896493a3e303"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.16549",
    "kind": "arxiv",
    "version": 1
  }
}