Pith Number

pith:P25DAZ3H

pith:2015:P25DAZ3HJAO3RIGJKU6DRTDOOH

not attested not anchored not stored refs pending

Dimensional dual hyperovals in classical polar spaces

John Sheekey

arxiv:1504.04170 v1 · 2015-04-16 · 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{P25DAZ3HJAO3RIGJKU6DRTDOOH}

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	2026-05-18T02:18:39.596275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7eba306767481db8a0c9553c38cc6e71e025cf08b9f7d04dd956f94e4da8b42f

Aliases

arxiv: 1504.04170 · arxiv_version: 1504.04170v1 · doi: 10.48550/arxiv.1504.04170 · pith_short_12: P25DAZ3HJAO3 · pith_short_16: P25DAZ3HJAO3RIGJ · pith_short_8: P25DAZ3H

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/P25DAZ3HJAO3RIGJKU6DRTDOOH \
  | 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: 7eba306767481db8a0c9553c38cc6e71e025cf08b9f7d04dd956f94e4da8b42f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c96cdb0312b90113ba32e9d6d81fc2e3c57a1f67ff680349907741c96b165b81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-04-16T10:12:56Z",
    "title_canon_sha256": "85d2160e6a8bb4c120db561b99dda51fd7c8f620633ac9ac35123fb3ebfa1e95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04170",
    "kind": "arxiv",
    "version": 1
  }
}