Pith Number

pith:RM22LSVC

pith:2013:RM22LSVCRI5L5UIKE22SYKRR65

not attested not anchored not stored refs pending

Polynomial Gap Extensions of the Erd\H{o}s-P\'osa Theorem

Dimitrios M. Thilikos, Jean-Florent Raymond

arxiv:1305.7376 v2 · 2013-05-31 · cs.DM · 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{RM22LSVCRI5L5UIKE22SYKRR65}

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	2026-05-18T03:21:23.253907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b35a5caa28a3abed10a26b52c2a31f74f26f6d1e1f6e15d319b9232a9c7a814

Aliases

arxiv: 1305.7376 · arxiv_version: 1305.7376v2 · doi: 10.48550/arxiv.1305.7376 · pith_short_12: RM22LSVCRI5L · pith_short_16: RM22LSVCRI5L5UIK · pith_short_8: RM22LSVC

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/RM22LSVCRI5L5UIKE22SYKRR65 \
  | 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: 8b35a5caa28a3abed10a26b52c2a31f74f26f6d1e1f6e15d319b9232a9c7a814

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ff65407bfe8134ac98fbc400d149204b89b83e1862743fecd5cd7228a54ea75",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2013-05-31T12:29:13Z",
    "title_canon_sha256": "c625838225a29972ea8d30013f61df5ffeb5817333b57894ec4d2bbdabf5417e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.7376",
    "kind": "arxiv",
    "version": 2
  }
}