Pith Number

pith:XM5KYQWK

pith:2013:XM5KYQWKQJ3DKZYUZXT3LKJRNM

not attested not anchored not stored refs pending

On the Erd\"os-Lov\'asz Tihany Conjecture for Claw-Free Graphs

Alexandra Fradkin, Maria Chudnovsky, Matthieu Plumettaz

arxiv:1309.1020 v1 · 2013-09-04 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XM5KYQWKQJ3DKZYUZXT3LKJRNM}

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	2026-05-18T03:14:09.311776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb3aac42ca8276356714cde7b5a9316b38b01535c8e07044703b7286e4ed8df9

Aliases

arxiv: 1309.1020 · arxiv_version: 1309.1020v1 · doi: 10.48550/arxiv.1309.1020 · pith_short_12: XM5KYQWKQJ3D · pith_short_16: XM5KYQWKQJ3DKZYU · pith_short_8: XM5KYQWK

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/XM5KYQWKQJ3DKZYUZXT3LKJRNM \
  | 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: bb3aac42ca8276356714cde7b5a9316b38b01535c8e07044703b7286e4ed8df9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be5090d798b515be77d5cab67d0f8b3288c350592ceb6117a2fd85444fe6bcce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-09-04T13:20:09Z",
    "title_canon_sha256": "c25b9133c3cabca07c3e661d641c080ce5b7877c61c1ad7f2d6186feffe23287"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1020",
    "kind": "arxiv",
    "version": 1
  }
}