Pith Number

pith:E7CDDCP7

pith:2004:E7CDDCP7GY6EX7LJNMKCPRF6VC

not attested not anchored not stored refs pending

Very well-covered graphs with log-concave independence polynomials

Eugen Mandrescu, Vadim E. Levit

arxiv:math/0411239 v1 · 2004-11-10 · math.CO · 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{E7CDDCP7GY6EX7LJNMKCPRF6VC}

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.

Cited by

1 paper in Pith

The 2-Quasi-Regularizability Conjecture and Independence Polynomials of Wp Graphs

Receipt and verification

First computed	2026-05-18T04:31:00.326582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27c43189ff363c4bfd696b1427c4bea8a36035fb4be4229e74e1c469d6a7a0d4

Aliases

arxiv: math/0411239 · arxiv_version: math/0411239v1 · doi: 10.48550/arxiv.math/0411239 · pith_short_12: E7CDDCP7GY6E · pith_short_16: E7CDDCP7GY6EX7LJ · pith_short_8: E7CDDCP7

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/E7CDDCP7GY6EX7LJNMKCPRF6VC \
  | 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: 27c43189ff363c4bfd696b1427c4bea8a36035fb4be4229e74e1c469d6a7a0d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7833d6d2572bebd45e902f911e4ac4b7a239b1c36a5969b950364d6706462d1",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "2004-11-10T18:13:58Z",
    "title_canon_sha256": "6598b7c226932a22e4dbf3d115d16722b7106c55b470a6720959b11cb34d1b78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0411239",
    "kind": "arxiv",
    "version": 1
  }
}