Pith Number

pith:ACMDPGNW

pith:2015:ACMDPGNW4QD7CK3GINXG5NN2QL

not attested not anchored not stored refs pending

On the Coverability Problem for Pushdown Vector Addition Systems in One Dimension

Gr\'egoire Sutre, J\'er\^ome Leroux, Patrick Totzke

arxiv:1503.04018 v3 · 2015-03-13 · 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{ACMDPGNW4QD7CK3GINXG5NN2QL}

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	2026-05-18T02:17:33.059286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00983799b6e407f12b66436e6eb5ba82f660ce0a267f423a8a0e4454977d3b48

Aliases

arxiv: 1503.04018 · arxiv_version: 1503.04018v3 · doi: 10.48550/arxiv.1503.04018 · pith_short_12: ACMDPGNW4QD7 · pith_short_16: ACMDPGNW4QD7CK3G · pith_short_8: ACMDPGNW

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/ACMDPGNW4QD7CK3GINXG5NN2QL \
  | 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: 00983799b6e407f12b66436e6eb5ba82f660ce0a267f423a8a0e4454977d3b48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f06d9777f2781876dab514f7070f9ac318f72f2bfbca9a66bbfdc3326324c7fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2015-03-13T10:57:23Z",
    "title_canon_sha256": "0cbcb54984330a24a1f31881e5ceb94ff5b47f1549696a5f862e4386edc64f27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04018",
    "kind": "arxiv",
    "version": 3
  }
}