Pith Number

pith:464FZCH4

pith:2011:464FZCH4QP2S4JHQP6PO3CAAIL

not attested not anchored not stored refs pending

Approximating Petri Net Reachability Along Context-free Traces

Mohamed Faouzi Atig, Pierre Ganty

arxiv:1105.1657 v3 · 2011-05-09 · cs.FL · 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{464FZCH4QP2S4JHQP6PO3CAAIL}

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	2026-05-18T02:22:00.513917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7b85c88fc83f52e24f07f9eed880042c27cafb007d447b076c608810e160daf

Aliases

arxiv: 1105.1657 · arxiv_version: 1105.1657v3 · doi: 10.48550/arxiv.1105.1657 · pith_short_12: 464FZCH4QP2S · pith_short_16: 464FZCH4QP2S4JHQ · pith_short_8: 464FZCH4

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/464FZCH4QP2S4JHQP6PO3CAAIL \
  | 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: e7b85c88fc83f52e24f07f9eed880042c27cafb007d447b076c608810e160daf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8406ea9fb0ecca6039dd8bb8d21b19741246afd1b5174d528711b5a23ee371d",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2011-05-09T12:44:49Z",
    "title_canon_sha256": "044fc5879fbe1ee7b8a40a57fdb0fe3747fcff5a35407f123b8537eafe299073"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1657",
    "kind": "arxiv",
    "version": 3
  }
}