Pith Number

pith:4URNUG3S

pith:2012:4URNUG3S5O4J32YEY7QTBGT5OZ

not attested not anchored not stored refs pending

Dependability-Explicit Engineering with Event-B: Overview of Recent Achievements

Elena Troubitsyna

arxiv:1210.7032 v1 · 2012-10-26 · 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{4URNUG3S5O4J32YEY7QTBGT5OZ}

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	2026-05-18T03:42:21.959268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e522da1b72ebb89deb04c7e1309a7d7674c962420af12d53965c3a45014834a1

Aliases

arxiv: 1210.7032 · arxiv_version: 1210.7032v1 · doi: 10.48550/arxiv.1210.7032 · pith_short_12: 4URNUG3S5O4J · pith_short_16: 4URNUG3S5O4J32YE · pith_short_8: 4URNUG3S

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/4URNUG3S5O4J32YEY7QTBGT5OZ \
  | 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: e522da1b72ebb89deb04c7e1309a7d7674c962420af12d53965c3a45014834a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1f9aef18c376a20155120fc1f691dd35f3e98d66c5321af85fbe11cb9240062",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2012-10-26T01:03:59Z",
    "title_canon_sha256": "3291f0f80873478bc74eee565d627af5483d107ce43d8b2d8e028372ce6677c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.7032",
    "kind": "arxiv",
    "version": 1
  }
}