Pith Number

pith:Z3AYSHPS

pith:2014:Z3AYSHPSHRYWAUFUVP3HZ24YEM

not attested not anchored not stored refs pending

Linkages in Large Graphs of Bounded Tree-Width

Jan-Oliver Fr\"ohlich, Julian Pott, Ken-ichi Kawarabayashi, Paul Wollan, Theodor M\"uller

arxiv:1402.5549 v1 · 2014-02-22 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z3AYSHPSHRYWAUFUVP3HZ24YEM}

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	2026-05-18T02:58:14.538097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cec1891df23c716050b4abf67ceb982315c2d01c52ee18532c89dfcc94c96168

Aliases

arxiv: 1402.5549 · arxiv_version: 1402.5549v1 · doi: 10.48550/arxiv.1402.5549 · pith_short_12: Z3AYSHPSHRYW · pith_short_16: Z3AYSHPSHRYWAUFU · pith_short_8: Z3AYSHPS

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/Z3AYSHPSHRYWAUFUVP3HZ24YEM \
  | 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: cec1891df23c716050b4abf67ceb982315c2d01c52ee18532c89dfcc94c96168

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3001e9eef73a280c625baae632da50477ca30421a1d103b721ea8f0a1d2cec58",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-02-22T19:58:13Z",
    "title_canon_sha256": "2c5d2b70e7f5829404efd0505c0c405afd9cf28affdbc3195dc7c7af0f8a1333"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.5549",
    "kind": "arxiv",
    "version": 1
  }
}