Pith Number

pith:JIKLPKKU

pith:2010:JIKLPKKUAAHQLNVJWYVDSJIDRS

not attested not anchored not stored refs pending

Very Well-Covered Graphs of Girth at least Four and Local Maximum Stable Set Greedoids

Eugen Mandrescu, Vadim E. Levit

arxiv:1008.2897 v1 · 2010-08-17 · cs.DM · 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{JIKLPKKUAAHQLNVJWYVDSJIDRS}

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	2026-05-18T04:42:04.130603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a14b7a954000f05b6a9b62a3925038c9f864077cce26b2742a3f0d524f1fcf4

Aliases

arxiv: 1008.2897 · arxiv_version: 1008.2897v1 · doi: 10.48550/arxiv.1008.2897 · pith_short_12: JIKLPKKUAAHQ · pith_short_16: JIKLPKKUAAHQLNVJ · pith_short_8: JIKLPKKU

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/JIKLPKKUAAHQLNVJWYVDSJIDRS \
  | 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: 4a14b7a954000f05b6a9b62a3925038c9f864077cce26b2742a3f0d524f1fcf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdaebd1285eece2a3c3663395668ff85138041a1ceda5bca5bceee5e55bf1647",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2010-08-17T13:43:39Z",
    "title_canon_sha256": "3c2b48f70adfe13e05da2fae4f16ef11743e500872893894e9da28f935688cf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2897",
    "kind": "arxiv",
    "version": 1
  }
}