Pith Number

pith:MUETSEOR

pith:2010:MUETSEORS64QBXJTLDQGPG4BPR

not attested not anchored not stored refs pending

Finding topological subgraphs is fixed-parameter tractable

D\'aniel Marx, Ken-ichi Kawarabayashi, Martin Grohe, Paul Wollan

arxiv:1011.1827 v1 · 2010-11-08 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MUETSEORS64QBXJTLDQGPG4BPR}

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	2026-05-18T02:23:37.355805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65093911d197b900dd3358e0679b817c6d86eaa4af316e33b48863d2e3f409ff

Aliases

arxiv: 1011.1827 · arxiv_version: 1011.1827v1 · doi: 10.48550/arxiv.1011.1827 · pith_short_12: MUETSEORS64Q · pith_short_16: MUETSEORS64QBXJT · pith_short_8: MUETSEOR

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/MUETSEORS64QBXJTLDQGPG4BPR \
  | 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: 65093911d197b900dd3358e0679b817c6d86eaa4af316e33b48863d2e3f409ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8db0c265eca57bd2514cf53b696303329a30d0fe035f408d24171f3d9938d966",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-11-08T15:23:20Z",
    "title_canon_sha256": "aad462edb4ba398ff324789ae1a1140e3b90e5a52b4cf7ef7caa77f20bdaf737"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.1827",
    "kind": "arxiv",
    "version": 1
  }
}