Pith Number

pith:LKUWDSYI

pith:2008:LKUWDSYI7EH6U6D6CQYUAJJPH6

not attested not anchored not stored refs pending

On the non--existence of certain hyperovals in dual Andr\'e planes of order $2^{2h}$

A. Aguglia, L. Giuzzi

arxiv:0803.1597 v2 · 2008-03-11 · 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{LKUWDSYI7EH6U6D6CQYUAJJPH6}

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	2026-05-18T03:22:08.340945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5aa961cb08f90fea787e143140252f3fbbdc711309ee013da60815d3edeb5265

Aliases

arxiv: 0803.1597 · arxiv_version: 0803.1597v2 · doi: 10.48550/arxiv.0803.1597 · pith_short_12: LKUWDSYI7EH6 · pith_short_16: LKUWDSYI7EH6U6D6 · pith_short_8: LKUWDSYI

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/LKUWDSYI7EH6U6D6CQYUAJJPH6 \
  | 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: 5aa961cb08f90fea787e143140252f3fbbdc711309ee013da60815d3edeb5265

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52cd363154342d17e019c01d4b8f464f3b2d301ec45ab6f91c9e754c1da8f20b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2008-03-11T14:37:19Z",
    "title_canon_sha256": "00493f1f58c6a46a66476fdcdc7bd45db0f9fca94385d7e770835ca60ceb108d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.1597",
    "kind": "arxiv",
    "version": 2
  }
}