Pith Number

pith:ZIPEVBG4

pith:2013:ZIPEVBG4IYJJDV3WTWSE2GBUR2

not attested not anchored not stored refs pending

Large-Treewidth Graph Decompositions and Applications

Chandra Chekuri, Julia Chuzhoy

arxiv:1304.1577 v1 · 2013-04-04 · cs.DS · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZIPEVBG4IYJJDV3WTWSE2GBUR2}

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	2026-05-18T03:28:55.325669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca1e4a84dc461291d7769da44d18348ebf3f694796a25141a7930cc0ff0b0459

Aliases

arxiv: 1304.1577 · arxiv_version: 1304.1577v1 · doi: 10.48550/arxiv.1304.1577 · pith_short_12: ZIPEVBG4IYJJ · pith_short_16: ZIPEVBG4IYJJDV3W · pith_short_8: ZIPEVBG4

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/ZIPEVBG4IYJJDV3WTWSE2GBUR2 \
  | 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: ca1e4a84dc461291d7769da44d18348ebf3f694796a25141a7930cc0ff0b0459

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72f38d40849c230b4ced76ba8a039e1353c56fde154e1cb64310173cebe06f99",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-04-04T22:42:11Z",
    "title_canon_sha256": "9293ff0b5fe7543b363a962638fd64ee3a66b86f1fe3f1a792c9f84e771a7d00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1577",
    "kind": "arxiv",
    "version": 1
  }
}