Pith Number

pith:H4QVPIVF

pith:2007:H4QVPIVFNVIZ33KSOIDVZA3TKQ

not attested not anchored not stored refs pending

Elation generalised quadrangles of order (s,p), where p is prime

Csaba Schneider, John Bamberg, Tim Penttila

arxiv:0709.0800 v1 · 2007-09-06 · math.CO · math.GR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H4QVPIVFNVIZ33KSOIDVZA3TKQ}

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	2026-05-18T03:52:51.857430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f2157a2a56d519ded5272075c83735426cce9c89c46511fa6f6c3b430fb5596

Aliases

arxiv: 0709.0800 · arxiv_version: 0709.0800v1 · doi: 10.48550/arxiv.0709.0800 · pith_short_12: H4QVPIVFNVIZ · pith_short_16: H4QVPIVFNVIZ33KS · pith_short_8: H4QVPIVF

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/H4QVPIVFNVIZ33KSOIDVZA3TKQ \
  | 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: 3f2157a2a56d519ded5272075c83735426cce9c89c46511fa6f6c3b430fb5596

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87e91f65f4350664c54d5d03e08aaa1c07d2d15a0b9705ad22778722875e924e",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "2007-09-06T08:57:02Z",
    "title_canon_sha256": "1bb946514766147e96ad1b1299dffd918da1896e78490050e9b3011468a7eb52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.0800",
    "kind": "arxiv",
    "version": 1
  }
}