Pith Number

pith:QAV7GNVU

pith:2012:QAV7GNVUWTQJKQUPCIAUFIPYCW

not attested not anchored not stored refs pending

Induced Disjoint Paths in Claw-Free Graphs

Daniel Paulusma, Erik Jan van Leeuwen, Petr A. Golovach

arxiv:1202.4419 v2 · 2012-02-20 · cs.DM · cs.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QAV7GNVUWTQJKQUPCIAUFIPYCW}

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	2026-05-18T02:57:00.233911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

802bf336b4b4e095428f120142a1f815a53ecfdd703843d426833d53682458d2

Aliases

arxiv: 1202.4419 · arxiv_version: 1202.4419v2 · doi: 10.48550/arxiv.1202.4419 · pith_short_12: QAV7GNVUWTQJ · pith_short_16: QAV7GNVUWTQJKQUP · pith_short_8: QAV7GNVU

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/QAV7GNVUWTQJKQUPCIAUFIPYCW \
  | 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: 802bf336b4b4e095428f120142a1f815a53ecfdd703843d426833d53682458d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df2207fa2e576928b484a08ddeadf54730db4daa126a9753d113894487cab5e9",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2012-02-20T19:00:14Z",
    "title_canon_sha256": "6d6f8b1159fbd03d20b0f1d322d48de5c4bfe9ace47967261e88a5cf28f28711"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4419",
    "kind": "arxiv",
    "version": 2
  }
}