Pith Number

pith:WOFBDJHF

pith:2017:WOFBDJHFENPN4IG6XVAPVHIU5H

not attested not anchored not stored refs pending

Precise Null Pointer Analysis Through Global Value Numbering

Akash Lal, Ankush Das

arxiv:1702.05807 v1 · 2017-02-19 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WOFBDJHFENPN4IG6XVAPVHIU5H}

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	2026-05-18T00:50:25.292496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b38a11a4e5235ede20debd40fa9d14e9e28a44f53f53772e786cc0b43a910a51

Aliases

arxiv: 1702.05807 · arxiv_version: 1702.05807v1 · doi: 10.48550/arxiv.1702.05807 · pith_short_12: WOFBDJHFENPN · pith_short_16: WOFBDJHFENPN4IG6 · pith_short_8: WOFBDJHF

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/WOFBDJHFENPN4IG6XVAPVHIU5H \
  | 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: b38a11a4e5235ede20debd40fa9d14e9e28a44f53f53772e786cc0b43a910a51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f162cb8f499fbab4e4177f572cd9f87a2ab152ce3d3ee7028c13542161efc183",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2017-02-19T22:10:29Z",
    "title_canon_sha256": "e5771a24d19552a719abc9099c7f72240962dc4d8be3f868d9301a16440a48b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05807",
    "kind": "arxiv",
    "version": 1
  }
}