Pith Number

pith:6WJSN6HH

pith:2012:6WJSN6HHNFMNISSFHPCB7VQIUU

not attested not anchored not stored refs pending

On large maximal partial ovoids of the parabolic quadric $\q(4,q)$

Jan De Beule

arxiv:1201.5992 v2 · 2012-01-28 · 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{6WJSN6HHNFMNISSFHPCB7VQIUU}

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	2026-05-18T04:00:37.616727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f59326f8e76958d44a453bc41fd608a515be794c52148eb6492cfdec0c7521d9

Aliases

arxiv: 1201.5992 · arxiv_version: 1201.5992v2 · doi: 10.48550/arxiv.1201.5992 · pith_short_12: 6WJSN6HHNFMN · pith_short_16: 6WJSN6HHNFMNISSF · pith_short_8: 6WJSN6HH

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/6WJSN6HHNFMNISSFHPCB7VQIUU \
  | 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: f59326f8e76958d44a453bc41fd608a515be794c52148eb6492cfdec0c7521d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7cb3948638d10d677a80a2188706dcc3fef2e452247d6d076559e746978df3d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-01-28T20:35:37Z",
    "title_canon_sha256": "35f833b9bcf4e27672e4c56c8edc34f23adc889916d8104b102f9679c1da5873"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5992",
    "kind": "arxiv",
    "version": 2
  }
}