Pith Number

pith:ZTSUCJH4

pith:2008:ZTSUCJH4U3NJPYLVH2HOUVLSHY

not attested not anchored not stored refs pending

Interval greedoids and families of local maximum stable sets of graphs

Eugen Mandrescu, Vadim E. Levit

arxiv:0811.4089 v1 · 2008-11-25 · 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{ZTSUCJH4U3NJPYLVH2HOUVLSHY}

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	2026-05-18T04:31:12.228087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cce54124fca6da97e1753e8eea55723e0bba61b9ae43332aa956dab26a1ce303

Aliases

arxiv: 0811.4089 · arxiv_version: 0811.4089v1 · doi: 10.48550/arxiv.0811.4089 · pith_short_12: ZTSUCJH4U3NJ · pith_short_16: ZTSUCJH4U3NJPYLV · pith_short_8: ZTSUCJH4

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/ZTSUCJH4U3NJPYLVH2HOUVLSHY \
  | 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: cce54124fca6da97e1753e8eea55723e0bba61b9ae43332aa956dab26a1ce303

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e88205a34986159195f772a80669d7e1bc41d9a59db59d1f54945840e8af717",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2008-11-25T14:11:44Z",
    "title_canon_sha256": "de76a200e3db140ad5616d684ea77e38b4fb1e54b6fd7037000ba2b09b31fd64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.4089",
    "kind": "arxiv",
    "version": 1
  }
}