Pith Number

pith:U5XW5F3L

pith:2011:U5XW5F3LKTMNHQY5CDX5VO3G3Y

not attested not anchored not stored refs pending

Local Maximum Stable Sets Greedoids Stemmed from Very Well-Covered Graphs

Eugen Mandrescu, Vadim E. Levit

arxiv:1102.1142 v1 · 2011-02-06 · 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{U5XW5F3LKTMNHQY5CDX5VO3G3Y}

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	2026-05-18T04:29:54.940717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a76f6e976b54d8d3c31d10efdabb66de00f96a086379fbb0f8de43c20ac282ee

Aliases

arxiv: 1102.1142 · arxiv_version: 1102.1142v1 · doi: 10.48550/arxiv.1102.1142 · pith_short_12: U5XW5F3LKTMN · pith_short_16: U5XW5F3LKTMNHQY5 · pith_short_8: U5XW5F3L

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/U5XW5F3LKTMNHQY5CDX5VO3G3Y \
  | 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: a76f6e976b54d8d3c31d10efdabb66de00f96a086379fbb0f8de43c20ac282ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5996ad72a16144b43aaeeb223e7b422c00da7c71a45dc23aa178c5f1671836be",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2011-02-06T11:43:56Z",
    "title_canon_sha256": "c7da64c7aa53f6818c9dc11b8ae4306b659f0de2c837a266d2255f8d35b20e80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1142",
    "kind": "arxiv",
    "version": 1
  }
}