Pith Number

pith:KZXJQMG7

pith:2012:KZXJQMG7RC4RZV2JSUAHGZHRHC

not attested not anchored not stored refs pending

Petri Net Reachability Graphs: Decidability Status of First Order Properties

Christophe Morvan (Universit\'e Paris-est Marne-la-Vall\'ee), CNRS, ENS Cachan, INRIA), Philippe Darondeau (INRIA Rennes Bretagne Atlantique), Roland Meyer (University of Kaiserslautern), Stephane Demri (LSV

arxiv:1210.2972 v2 · 2012-10-10 · 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{KZXJQMG7RC4RZV2JSUAHGZHRHC}

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	2026-05-18T01:37:38.420093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

566e9830df88b91cd74995007364f13880ed7d2f42cf6289515a21de5c28f98e

Aliases

arxiv: 1210.2972 · arxiv_version: 1210.2972v2 · doi: 10.48550/arxiv.1210.2972 · pith_short_12: KZXJQMG7RC4R · pith_short_16: KZXJQMG7RC4RZV2J · pith_short_8: KZXJQMG7

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/KZXJQMG7RC4RZV2JSUAHGZHRHC \
  | 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: 566e9830df88b91cd74995007364f13880ed7d2f42cf6289515a21de5c28f98e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc6fb3fe9fea3b3c5c6f5188eda4f3af641c4a582b9aed242827acad6bcf4d5d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2012-10-10T16:30:08Z",
    "title_canon_sha256": "de9f55e0608267724b54c82a997a63e3c68521eade83eb950a5047b1f3f5bf92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2972",
    "kind": "arxiv",
    "version": 2
  }
}