Pith Number

pith:5CZHR3FF

pith:2014:5CZHR3FFNZGTHOOBM3UMTI23VH

not attested not anchored not stored refs pending

Managing LTL properties in Event-B refinement

David Williams, Heike Wehrheim, Helen Treharne, Steve Schneider

arxiv:1406.6622 v2 · 2014-06-25 · 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{5CZHR3FFNZGTHOOBM3UMTI23VH}

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	2026-05-18T02:48:26.915029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8b278eca56e4d33b9c166e8c9a35ba9c217ce8d47e8a12f8657decf8a6a8dc1

Aliases

arxiv: 1406.6622 · arxiv_version: 1406.6622v2 · doi: 10.48550/arxiv.1406.6622 · pith_short_12: 5CZHR3FFNZGT · pith_short_16: 5CZHR3FFNZGTHOOB · pith_short_8: 5CZHR3FF

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/5CZHR3FFNZGTHOOBM3UMTI23VH \
  | 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: e8b278eca56e4d33b9c166e8c9a35ba9c217ce8d47e8a12f8657decf8a6a8dc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97dbd49ed648b2abc134d7e8c05caec7b994597e88c1e3af7e068b495369e8b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2014-06-25T16:09:09Z",
    "title_canon_sha256": "7e13b08620a466d003627bf50c2bd4d9e0ab0f30daaf877bd9e3f744a535632e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.6622",
    "kind": "arxiv",
    "version": 2
  }
}