Pith Number

pith:I5YDPTRB

pith:2015:I5YDPTRBV5NGZFYB2LUHSLU6BP

not attested not anchored not stored refs pending

Maximum Weight Independent Sets for ($P_7$,Triangle)-Free Graphs in Polynomial Time

Andreas Brandstadt, Raffaele Mosca

arxiv:1511.08066 v3 · 2015-11-25 · 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{I5YDPTRBV5NGZFYB2LUHSLU6BP}

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	2026-05-18T01:11:41.239185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

477037ce21af5a6c9701d2e8792e9e0bd9f6189d5977496db4015ee81fde7354

Aliases

arxiv: 1511.08066 · arxiv_version: 1511.08066v3 · doi: 10.48550/arxiv.1511.08066 · pith_short_12: I5YDPTRBV5NG · pith_short_16: I5YDPTRBV5NGZFYB · pith_short_8: I5YDPTRB

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/I5YDPTRBV5NGZFYB2LUHSLU6BP \
  | 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: 477037ce21af5a6c9701d2e8792e9e0bd9f6189d5977496db4015ee81fde7354

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e6f2160ab1929329fd99c2a9b1b5a47ace9f2f7f1244c753599ce5d1b128d94",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-11-25T14:08:30Z",
    "title_canon_sha256": "6342ec2d553ea670da63c508fb3e51d4e97b200008a5e47b8a855735ddb2572b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.08066",
    "kind": "arxiv",
    "version": 3
  }
}