Pith Number

pith:LNJWHCAV

pith:2008:LNJWHCAVDAYLRBAUMXJV6OXGIU

not attested not anchored not stored refs pending

Some algebraic properties of hypergraphs

Eric Emtander, Fatemeh Mohammadi, Somayeh Moradi

arxiv:0812.2366 v1 · 2008-12-12 · math.AC · 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{LNJWHCAVDAYLRBAUMXJV6OXGIU}

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	2026-05-18T01:30:43.643187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b536388151830b8841465d35f3ae6452402874b1d6adcad7c3dd756def66c5b

Aliases

arxiv: 0812.2366 · arxiv_version: 0812.2366v1 · doi: 10.48550/arxiv.0812.2366 · pith_short_12: LNJWHCAVDAYL · pith_short_16: LNJWHCAVDAYLRBAU · pith_short_8: LNJWHCAV

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/LNJWHCAVDAYLRBAUMXJV6OXGIU \
  | 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: 5b536388151830b8841465d35f3ae6452402874b1d6adcad7c3dd756def66c5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dec86b36fb17568019698aebb2ba8431ca911d3b362a4b27c96e83cdaef8bbe9",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2008-12-12T13:21:06Z",
    "title_canon_sha256": "2f5ce5cc9eb0bf334e80d7b6f84d7dc668044da5df5eb0085463e1e2a16a9e72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.2366",
    "kind": "arxiv",
    "version": 1
  }
}