Pith Number

pith:HAQQ24KS

pith:2022:HAQQ24KSJJYHVOL7CG2V3MUDRN

not attested not anchored not stored refs pending

A robust Corr\'adi--Hajnal Theorem

Barnaby Roberts, Ewan Davies, Jan Corsten, Jozef Skokan, Julia B\"ottcher, Matthew Jenssen, Patrick Morris, Peter Allen

arxiv:2209.01116 v2 · 2022-09-02 · 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{HAQQ24KSJJYHVOL7CG2V3MUDRN}

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	2026-06-23T03:13:42.301089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38210d71524a707ab97f11b55db2838b578833e38489c789ec0914e179e4b187

Aliases

arxiv: 2209.01116 · arxiv_version: 2209.01116v2 · doi: 10.48550/arxiv.2209.01116 · pith_short_12: HAQQ24KSJJYH · pith_short_16: HAQQ24KSJJYHVOL7 · pith_short_8: HAQQ24KS

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/HAQQ24KSJJYHVOL7CG2V3MUDRN \
  | 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: 38210d71524a707ab97f11b55db2838b578833e38489c789ec0914e179e4b187

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d847bb9fe0e577feaf80e238fa668297bd30dda7d14e5c84a67f012ba7e6ebe3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2022-09-02T15:24:29Z",
    "title_canon_sha256": "f70fe1ef7d4c15b4bb205e4dc8817bcab5331bc405a5ef88cf739bcad20f2edf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.01116",
    "kind": "arxiv",
    "version": 2
  }
}