Pith Number

pith:VQR7X3UH

pith:2013:VQR7X3UHWJEK5CPL7RSGRP6IVQ

not attested not anchored not stored refs pending

Guiding a General-Purpose C Verifier to Prove Cryptographic Protocols

Andrew D. Gordon, David A. Naumann, Fran\c{c}ois Dupressoir, Jan J\"urjens

arxiv:1312.6532 v1 · 2013-12-23 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VQR7X3UHWJEK5CPL7RSGRP6IVQ}

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	2026-05-18T03:03:58.000471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac23fbee87b248ae89ebfc6468bfc8ac101db4cb830b02d7cddb1ee7d3081fb8

Aliases

arxiv: 1312.6532 · arxiv_version: 1312.6532v1 · doi: 10.48550/arxiv.1312.6532 · pith_short_12: VQR7X3UHWJEK · pith_short_16: VQR7X3UHWJEK5CPL · pith_short_8: VQR7X3UH

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/VQR7X3UHWJEK5CPL7RSGRP6IVQ \
  | 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: ac23fbee87b248ae89ebfc6468bfc8ac101db4cb830b02d7cddb1ee7d3081fb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10f06ed4c38068efa1d123c66ec1231a7a91218f238869ca3e6aa6b1c363451b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2013-12-23T12:05:34Z",
    "title_canon_sha256": "0132673760b0cf07c3904843b4ed762626d668c32a72bd4851ef421908998f82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6532",
    "kind": "arxiv",
    "version": 1
  }
}