Pith Number

pith:4Z5FRKB2

pith:2023:4Z5FRKB2FLM3LCG37FFNKG37QW

not attested not anchored not stored refs pending

A proof of the Ryser-Brualdi-Stein conjecture for large even $n$

Richard Montgomery

arxiv:2310.19779 v1 · 2023-10-30 · 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{4Z5FRKB2FLM3LCG37FFNKG37QW}

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.

Cited by

4 papers in Pith

Universality for rainbow oriented cycles in perturbed digraphs

Transversal Structures in Graph Systems: A Survey

Entropy Bounds for Perfect Matchings in Bipartite Hypergraphs

Colour-balanced subgraphs

Receipt and verification

First computed	2026-07-05T07:06:54.931393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e67a58a83a2ad9b588dbf94ad51b7f85bd5d544f80028f4c4c07f058c12e9a92

Aliases

arxiv: 2310.19779 · arxiv_version: 2310.19779v1 · doi: 10.48550/arxiv.2310.19779 · pith_short_12: 4Z5FRKB2FLM3 · pith_short_16: 4Z5FRKB2FLM3LCG3 · pith_short_8: 4Z5FRKB2

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/4Z5FRKB2FLM3LCG37FFNKG37QW \
  | 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: e67a58a83a2ad9b588dbf94ad51b7f85bd5d544f80028f4c4c07f058c12e9a92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e520cf9afbf1fc2447c7885bb91f6d3a75b3d5b7dc1d100ba589e4f15c377dfa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2023-10-30T17:46:58Z",
    "title_canon_sha256": "f21d5f5ddcdfb485177c93c93a370f78029747f436bc5411ffb883f02085310b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.19779",
    "kind": "arxiv",
    "version": 1
  }
}