Pith Number

pith:HWG762LT

pith:2025:HWG762LTOEO3QVXD63P6MTKDZZ

not attested not anchored not stored refs pending

Point-transitive and 1-rotational unitals of order 5

Alex Ravsky, Ivan Hetman, Taras Banakh

arxiv:2504.18390 v1 · 2025-04-24 · 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{HWG762LTOEO3QVXD63P6MTKDZZ}

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	2026-07-05T10:54:06.315324Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d8dff6973711db856e3f6dfe64d43ce546dfcd023b61a008e06a748dc409443

Aliases

arxiv: 2504.18390 · arxiv_version: 2504.18390v1 · doi: 10.48550/arxiv.2504.18390 · pith_short_12: HWG762LTOEO3 · pith_short_16: HWG762LTOEO3QVXD · pith_short_8: HWG762LT

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/HWG762LTOEO3QVXD63P6MTKDZZ \
  | 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: 3d8dff6973711db856e3f6dfe64d43ce546dfcd023b61a008e06a748dc409443

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52d49c9537d5733b123a20b05d17d203d909d60fdee8e062d98e58ab8a91b148",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2025-04-24T04:18:58Z",
    "title_canon_sha256": "c2429f24dc053cef142f15efa4ffdd282d6abcd12a2fce8e90adf2c704319bc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.18390",
    "kind": "arxiv",
    "version": 1
  }
}