Pith Number

pith:ELFA4VLA

pith:2011:ELFA4VLAG5UC4ANMENZWIGLHDQ

not attested not anchored not stored refs pending

Symbolic Execution for Verification

Andrew E. Santosa, Jorge A. Navas, Joxan Jaffar

arxiv:1103.2027 v1 · 2011-03-10 · cs.PL · 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{ELFA4VLAG5UC4ANMENZWIGLHDQ}

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	2026-05-18T04:27:03.145189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22ca0e556037682e01ac23736419671c07a164fa2b25bbb6fbc8a57b5fb65216

Aliases

arxiv: 1103.2027 · arxiv_version: 1103.2027v1 · doi: 10.48550/arxiv.1103.2027 · pith_short_12: ELFA4VLAG5UC · pith_short_16: ELFA4VLAG5UC4ANM · pith_short_8: ELFA4VLA

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/ELFA4VLAG5UC4ANMENZWIGLHDQ \
  | 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: 22ca0e556037682e01ac23736419671c07a164fa2b25bbb6fbc8a57b5fb65216

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea41cb671176fb6ca06d8715ab4810cc7629cc30f28e53d32abdfa1bb5dd0c19",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2011-03-10T13:12:34Z",
    "title_canon_sha256": "f68dcac5ad933ede73c147d42e803146100bbc5dec24f4d56a3a76da0a2e7447"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2027",
    "kind": "arxiv",
    "version": 1
  }
}