Pith Number

pith:BMY4EK3K

pith:2019:BMY4EK3KXYNG3ISIJU2ZKZ4PI6

not attested not anchored not stored refs pending

Flag-transitive $4$-designs and $PSL(2,q)$ groups

Huili Dong

arxiv:1908.00760 v3 · 2019-08-02 · 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{BMY4EK3KXYNG3ISIJU2ZKZ4PI6}

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	2026-07-05T00:14:20.515135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b31c22b6abe1a6da2484d3595678f47ae0d2f3013b92c380017e2e642d67cfa

Aliases

arxiv: 1908.00760 · arxiv_version: 1908.00760v3 · doi: 10.48550/arxiv.1908.00760 · pith_short_12: BMY4EK3KXYNG · pith_short_16: BMY4EK3KXYNG3ISI · pith_short_8: BMY4EK3K

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/BMY4EK3KXYNG3ISIJU2ZKZ4PI6 \
  | 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: 0b31c22b6abe1a6da2484d3595678f47ae0d2f3013b92c380017e2e642d67cfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac84d829788b9a82f8f6229351d90593612e9ed0afd25a3e6f765d437f31f86f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-08-02T08:52:20Z",
    "title_canon_sha256": "bd4fbad2c401150f6bb2097211faeea4ffb3efc31e240d364bc47a3e48962b69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00760",
    "kind": "arxiv",
    "version": 3
  }
}