Pith Number

pith:KZEW2LGW

pith:2018:KZEW2LGWSGAY4U3IHM2QDBJBBO

not attested not anchored not stored refs pending

A case study in formal verification of a Java program

Dmitry Brizhinev, Rajeev Gor\'e

arxiv:1809.03162 v1 · 2018-09-10 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KZEW2LGWSGAY4U3IHM2QDBJBBO}

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	2026-05-18T00:06:09.811473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56496d2cd691818e53683b350185210b927459a78cf35397544733611de45a36

Aliases

arxiv: 1809.03162 · arxiv_version: 1809.03162v1 · doi: 10.48550/arxiv.1809.03162 · pith_short_12: KZEW2LGWSGAY · pith_short_16: KZEW2LGWSGAY4U3I · pith_short_8: KZEW2LGW

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/KZEW2LGWSGAY4U3IHM2QDBJBBO \
  | 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: 56496d2cd691818e53683b350185210b927459a78cf35397544733611de45a36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a12e0a3a5dcbd5c29129f6a0a828bc1f3744e519373573d9cc732a2e6b06331",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-09-10T07:41:46Z",
    "title_canon_sha256": "1d41ddc6f4fba169f93f5b5a231f91b6ce24b4dd1db147df9b79780083c10c4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03162",
    "kind": "arxiv",
    "version": 1
  }
}