Pith Number

pith:D4R25KOM

pith:2012:D4R25KOMXV3DOALHZFFU3HZ76K

not attested not anchored not stored refs pending

Maximum Weight Independent Sets in Odd-Hole-Free Graphs Without Dart or Without Bull

Andreas Brandst\"adt, Raffaele Mosca

arxiv:1209.2512 v1 · 2012-09-12 · 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{D4R25KOMXV3DOALHZFFU3HZ76K}

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	2026-05-18T03:45:42.932776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f23aea9ccbd76370167c94b4d9f3ff2aba1f0df799771004341dd88acd94f5e

Aliases

arxiv: 1209.2512 · arxiv_version: 1209.2512v1 · doi: 10.48550/arxiv.1209.2512 · pith_short_12: D4R25KOMXV3D · pith_short_16: D4R25KOMXV3DOALH · pith_short_8: D4R25KOM

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/D4R25KOMXV3DOALHZFFU3HZ76K \
  | 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: 1f23aea9ccbd76370167c94b4d9f3ff2aba1f0df799771004341dd88acd94f5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe1ed72aacd8d814a339075e7a6cdbc167b89f92815f0aaac5c6dfd6b85cb476",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2012-09-12T07:39:51Z",
    "title_canon_sha256": "ae5dcdc90d08c1ceb3a7d0cd1f18805c8a37253ab9fdf5a9f8899192a8855dc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2512",
    "kind": "arxiv",
    "version": 1
  }
}