Pith Number

pith:LI4RWJGM

pith:2011:LI4RWJGMJPJCUZIBWR4LRWMBOR

not attested not anchored not stored refs pending

Simplicial arrangements with up to 27 lines

Michael Cuntz

arxiv:1108.3000 v1 · 2011-08-15 · 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{LI4RWJGMJPJCUZIBWR4LRWMBOR}

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	2026-05-18T04:15:28.853934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a391b24cc4bd22a6501b478b8d981745c9460fa4528efd07a30a5f0c0744269

Aliases

arxiv: 1108.3000 · arxiv_version: 1108.3000v1 · doi: 10.48550/arxiv.1108.3000 · pith_short_12: LI4RWJGMJPJC · pith_short_16: LI4RWJGMJPJCUZIB · pith_short_8: LI4RWJGM

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/LI4RWJGMJPJCUZIBWR4LRWMBOR \
  | 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: 5a391b24cc4bd22a6501b478b8d981745c9460fa4528efd07a30a5f0c0744269

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c90b30745ee81e560678365acf865fb5a8d47e9c15a4344f13ba54b7f55152d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-08-15T14:14:02Z",
    "title_canon_sha256": "0b06de649a1bada27652757d255bfcfa1f1d8fee156ede4bb2844cc3c378b8dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3000",
    "kind": "arxiv",
    "version": 1
  }
}