Pith Number

pith:JOLCJDYO

pith:2023:JOLCJDYOBUGEK5KR7P26XYSK5X

not attested not anchored not stored refs pending

Reduction for flag-transitive symmetric designs with $k>\lambda(\lambda-2)$

Jianfu Chen, Jiaxin Shen, Shenglin Zhou

arxiv:2302.09768 v1 · 2023-02-20 · math.CO · math.GR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JOLCJDYOBUGEK5KR7P26XYSK5X}

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	2026-07-05T05:43:29.314427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b96248f0e0d0c457551fbf5ebe24aedf33c4cf6512d36585bfe0131ffa26a5a

Aliases

arxiv: 2302.09768 · arxiv_version: 2302.09768v1 · doi: 10.48550/arxiv.2302.09768 · pith_short_12: JOLCJDYOBUGE · pith_short_16: JOLCJDYOBUGEK5KR · pith_short_8: JOLCJDYO

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/JOLCJDYOBUGEK5KR7P26XYSK5X \
  | 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: 4b96248f0e0d0c457551fbf5ebe24aedf33c4cf6512d36585bfe0131ffa26a5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86e4beeaba41e65168f337f60abc2073468466e24c2ccb4d8537198542d94c53",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2023-02-20T05:27:19Z",
    "title_canon_sha256": "eb5a228fd8d05b03880ae1db51d81be347855b2878324a163cba29548ece2ed0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.09768",
    "kind": "arxiv",
    "version": 1
  }
}