Pith Number

pith:SZX422US

pith:2011:SZX422USX5DZSGVNHYII5JH5N6

not attested not anchored not stored refs pending

Tiling 3-uniform hypergraphs with K_4^3-2e

Andrzej Czygrinow, Brendan Nagle, Louis DeBiasio

arxiv:1108.4140 v3 · 2011-08-20 · 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{SZX422USX5DZSGVNHYII5JH5N6}

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	2026-05-18T03:38:46.397630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

966fcd6a92bf47991aad3e108ea4fd6f9d99b9012c908ada3fb505c5f0853bdb

Aliases

arxiv: 1108.4140 · arxiv_version: 1108.4140v3 · doi: 10.48550/arxiv.1108.4140 · pith_short_12: SZX422USX5DZ · pith_short_16: SZX422USX5DZSGVN · pith_short_8: SZX422US

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/SZX422USX5DZSGVNHYII5JH5N6 \
  | 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: 966fcd6a92bf47991aad3e108ea4fd6f9d99b9012c908ada3fb505c5f0853bdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96535840fb98ac99643e6219077c6f1c21940c596ec26d24b7d0c4961ffda4d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-08-20T19:11:31Z",
    "title_canon_sha256": "ad3319846e5ec7839a5829589b71008f2f96eee873f21b0ed8dae41d55eccf4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4140",
    "kind": "arxiv",
    "version": 3
  }
}