Pith Number

pith:UQZDS2WZ

pith:2011:UQZDS2WZXFE6JXBCDPMJBXFZJ2

not attested not anchored not stored refs pending

The Terwilliger algebra of the incidence graphs of Johnson geometry

Benjian Lv, Kaishun Wang, Qian Kong

arxiv:1111.1369 v1 · 2011-11-06 · 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{UQZDS2WZXFE6JXBCDPMJBXFZJ2}

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	2026-05-18T04:09:26.362428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a432396ad9b949e4dc221bd890dcb94e84ada1755ed0206eff56878709ba3f1c

Aliases

arxiv: 1111.1369 · arxiv_version: 1111.1369v1 · doi: 10.48550/arxiv.1111.1369 · pith_short_12: UQZDS2WZXFE6 · pith_short_16: UQZDS2WZXFE6JXBC · pith_short_8: UQZDS2WZ

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/UQZDS2WZXFE6JXBCDPMJBXFZJ2 \
  | 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: a432396ad9b949e4dc221bd890dcb94e84ada1755ed0206eff56878709ba3f1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7956b489a37b772b5a8f658b652ed0a2f30137830c91032b55c869bc94c29f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-11-06T02:44:40Z",
    "title_canon_sha256": "7bf2ba5703914d13859d53f449e44ea420a52bf76ce70758632efbb279e7d2e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1369",
    "kind": "arxiv",
    "version": 1
  }
}