Pith Number

pith:E5G2NXST

pith:2011:E5G2NXSTY5DGHUA7365PHI7DUE

not attested not anchored not stored refs pending

A lexicographic shellability characterization of geometric lattices

Patricia Hersh, Ruth Davidson

arxiv:1108.2056 v2 · 2011-08-09 · 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{E5G2NXSTY5DGHUA7365PHI7DUE}

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	2026-05-18T03:10:24.658408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

274da6de53c74663d01fdfbaf3a3e3a1099419966c28fbb390d03f47044b4fda

Aliases

arxiv: 1108.2056 · arxiv_version: 1108.2056v2 · doi: 10.48550/arxiv.1108.2056 · pith_short_12: E5G2NXSTY5DG · pith_short_16: E5G2NXSTY5DGHUA7 · pith_short_8: E5G2NXST

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/E5G2NXSTY5DGHUA7365PHI7DUE \
  | 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: 274da6de53c74663d01fdfbaf3a3e3a1099419966c28fbb390d03f47044b4fda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf70138c02830c6ba5609cfff926f77b1944256a4230c59ea8cb41f8eb343951",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-08-09T21:40:21Z",
    "title_canon_sha256": "3e62b2c2f7dcc92642c197dd368985a5b844d51b00133113d2c4fa74ea75dc52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2056",
    "kind": "arxiv",
    "version": 2
  }
}