Pith Number

pith:4V7TP64C

pith:2012:4V7TP64CR6IUCYPJUTMO74AABK

not attested not anchored not stored refs pending

A Note on the Complexity of Model-Checking Bounded Multi-Pushdown Systems

2) ((1) New York University, (2) LSV, CNRS, France), Kshitij Bansal (1), St\'ephane Demri (1, USA

arxiv:1212.1485 v1 · 2012-12-06 · cs.LO · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4V7TP64CR6IUCYPJUTMO74AABK}

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	2026-05-18T03:38:57.059703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e57f37fb828f914161e9a4d8eff0000aba2f3d624a3009bce516fa68287a6efb

Aliases

arxiv: 1212.1485 · arxiv_version: 1212.1485v1 · doi: 10.48550/arxiv.1212.1485 · pith_short_12: 4V7TP64CR6IU · pith_short_16: 4V7TP64CR6IUCYPJ · pith_short_8: 4V7TP64C

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/4V7TP64CR6IUCYPJUTMO74AABK \
  | 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: e57f37fb828f914161e9a4d8eff0000aba2f3d624a3009bce516fa68287a6efb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c777082a2aedb585e640263f5e7ce911d8e695df7d1bddb8928d6708e7727d09",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2012-12-06T22:02:22Z",
    "title_canon_sha256": "cadae27e545d15fa37dd6e6377c20a2969b7f97421854440a476913eb2c55f78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.1485",
    "kind": "arxiv",
    "version": 1
  }
}