Pith Number

pith:2BEJZLLW

pith:2022:2BEJZLLWU5AGR53NUPASNE3FSU

not attested not anchored not stored refs pending

A local version of Katona's intersection theorem

Bjarne Sch\"ulke, Marcelo Sales

arxiv:2206.04278 v1 · 2022-06-09 · 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{2BEJZLLWU5AGR53NUPASNE3FSU}

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	2026-07-05T04:30:25.069098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0489cad76a74068f76da3c12693659536d148c5a548eeb6c956f1e5f03c4fae

Aliases

arxiv: 2206.04278 · arxiv_version: 2206.04278v1 · doi: 10.48550/arxiv.2206.04278 · pith_short_12: 2BEJZLLWU5AG · pith_short_16: 2BEJZLLWU5AGR53N · pith_short_8: 2BEJZLLW

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/2BEJZLLWU5AGR53NUPASNE3FSU \
  | 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: d0489cad76a74068f76da3c12693659536d148c5a548eeb6c956f1e5f03c4fae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a12472700380975feb268b10dfc355a09a3753e508f187251e1c375bfbbc8c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2022-06-09T04:57:01Z",
    "title_canon_sha256": "886a435a79eac0bc34e876a5bcaf50cce8b4d08bdae236a081bdca41fee9db5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.04278",
    "kind": "arxiv",
    "version": 1
  }
}