Pith Number

pith:D2LLVQ5D

pith:2014:D2LLVQ5DWZZQ5LQRP6XCHKUIYL

not attested not anchored not stored refs pending

On the classification of hyperovals

Florian Caullery, Kai-Uwe Schmidt

arxiv:1403.2880 v2 · 2014-03-12 · 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{D2LLVQ5DWZZQ5LQRP6XCHKUIYL}

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	2026-05-18T02:50:50.191051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e96bac3a3b6730eae117fae23aa88c2e43bedf598aae2ddaeacafd367aa4e9b

Aliases

arxiv: 1403.2880 · arxiv_version: 1403.2880v2 · doi: 10.48550/arxiv.1403.2880 · pith_short_12: D2LLVQ5DWZZQ · pith_short_16: D2LLVQ5DWZZQ5LQR · pith_short_8: D2LLVQ5D

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/D2LLVQ5DWZZQ5LQRP6XCHKUIYL \
  | 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: 1e96bac3a3b6730eae117fae23aa88c2e43bedf598aae2ddaeacafd367aa4e9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3bdedc4e9dbc6a1efba789124859796710ea8d34d9158ab49bf7f4d4a0b8d2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-03-12T10:39:26Z",
    "title_canon_sha256": "c12c6960c383424897e0ed74c13b4d39dce8de7e333f03c4df7ea3c3dd7a611d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2880",
    "kind": "arxiv",
    "version": 2
  }
}