Pith Number

pith:XT7AICRD

pith:2016:XT7AICRD3B6DPXYQ6VVZKMDNSR

not attested not anchored not stored refs pending

Maximum Weight Independent Set in lClaw-Free Graphs in Polynomial Time

Andreas Brandstadt, Raffaele Mosca

arxiv:1602.05838 v1 · 2016-02-18 · 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{XT7AICRD3B6DPXYQ6VVZKMDNSR}

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	2026-05-18T01:20:23.088703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcfe040a23d87c37df10f56b95306d945b593b5a4c43c754dc92c8622db1111f

Aliases

arxiv: 1602.05838 · arxiv_version: 1602.05838v1 · doi: 10.48550/arxiv.1602.05838 · pith_short_12: XT7AICRD3B6D · pith_short_16: XT7AICRD3B6DPXYQ · pith_short_8: XT7AICRD

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/XT7AICRD3B6DPXYQ6VVZKMDNSR \
  | 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: bcfe040a23d87c37df10f56b95306d945b593b5a4c43c754dc92c8622db1111f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "707a383c9dc9b9be85b244c2409c81dcb37c98f4a07ae19ac683472c4f1c4d42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2016-02-18T15:25:55Z",
    "title_canon_sha256": "9a71208d5ab843c37f08c4b27f57dde5031de030bb4b7ca279158456eed980c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.05838",
    "kind": "arxiv",
    "version": 1
  }
}