Pith Number

pith:6EODMVQS

pith:2012:6EODMVQSAGGT34USMHSRJNQONQ

not attested not anchored not stored refs pending

The Lefthanded Local Lemma characterizes chordal dependency graphs

Wesley Pegden

arxiv:1204.5922 v1 · 2012-04-26 · 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{6EODMVQSAGGT34USMHSRJNQONQ}

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	2026-05-18T03:56:59.030389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f11c365612018d3df29261e514b60e6c2e4204a8c430e172f40034c20f2b0b36

Aliases

arxiv: 1204.5922 · arxiv_version: 1204.5922v1 · doi: 10.48550/arxiv.1204.5922 · pith_short_12: 6EODMVQSAGGT · pith_short_16: 6EODMVQSAGGT34US · pith_short_8: 6EODMVQS

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/6EODMVQSAGGT34USMHSRJNQONQ \
  | 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: f11c365612018d3df29261e514b60e6c2e4204a8c430e172f40034c20f2b0b36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "590b66d0cf2afd448c169bf10dd76bff21e786611b01b630d2053c309af7bd56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-04-26T13:52:00Z",
    "title_canon_sha256": "d81dff0ac4f2ff44b8bb68060f146817655617cbb9950222198df201cde681fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5922",
    "kind": "arxiv",
    "version": 1
  }
}