Pith Number

pith:VQHHSSEN

pith:2014:VQHHSSENTD3VOUSWWGKXK4IY4X

not attested not anchored not stored refs pending

Towards Verification of Constituent Systems through Automated Proof

Luis Diogo Couto, Richard Payne, Simon Foster

arxiv:1404.7792 v2 · 2014-04-30 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VQHHSSENTD3VOUSWWGKXK4IY4X}

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	2026-05-18T02:52:22.886635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac0e79488d98f7575256b195757118e5c3a09157af464ab1489272b603545900

Aliases

arxiv: 1404.7792 · arxiv_version: 1404.7792v2 · doi: 10.48550/arxiv.1404.7792 · pith_short_12: VQHHSSENTD3V · pith_short_16: VQHHSSENTD3VOUSW · pith_short_8: VQHHSSEN

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/VQHHSSENTD3VOUSWWGKXK4IY4X \
  | 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: ac0e79488d98f7575256b195757118e5c3a09157af464ab1489272b603545900

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e81dd0c3909aaab441e39d18d01b37c1569874fedc7cfbd6d6e402fc4f11d70",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2014-04-30T16:43:25Z",
    "title_canon_sha256": "f31d27224dabb98f69518737b45a10ab16f2a5cf3dc324cb8c6cc84013768ff1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.7792",
    "kind": "arxiv",
    "version": 2
  }
}