Pith Number

pith:URWME4CD

pith:2019:URWME4CD4A65FUT2T7U7VXTY4Y

not attested not anchored not stored refs pending

Flag-transitive block designs and finite exceptional simple groups of Lie type

Seyed Hassan Alavi

arxiv:1908.05831 v4 · 2019-08-16 · math.GR · 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{URWME4CD4A65FUT2T7U7VXTY4Y}

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	2026-07-05T00:52:27.203066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a46cc27043e03dd2d27a9fe9fade78e6162d2088f55225dc389d07bb5be0c4ef

Aliases

arxiv: 1908.05831 · arxiv_version: 1908.05831v4 · doi: 10.48550/arxiv.1908.05831 · pith_short_12: URWME4CD4A65 · pith_short_16: URWME4CD4A65FUT2 · pith_short_8: URWME4CD

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/URWME4CD4A65FUT2T7U7VXTY4Y \
  | 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: a46cc27043e03dd2d27a9fe9fade78e6162d2088f55225dc389d07bb5be0c4ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ac011fdd7b9bb2f34097470e6b0860e0785615a4e6b070d5867b16e9649f80e",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2019-08-16T03:34:49Z",
    "title_canon_sha256": "37c4ec9c3110c89fbf750c027ef61c1e5002a6ca41cdc5bd38ef64783696edc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05831",
    "kind": "arxiv",
    "version": 4
  }
}