Pith Number

pith:GIPEKEM4

pith:2018:GIPEKEM4S56UFGJCRYJFIXAGS5

not attested not anchored not stored refs pending

An infinite family of locally X graphs based on incidence geometries

Dimitri Leemans, Natalia Garcia-Colin

arxiv:1811.11438 v1 · 2018-11-28 · 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{GIPEKEM4S56UFGJCRYJFIXAGS5}

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	2026-05-17T23:59:42.963481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

321e45119c977d4299228e12545c06975f388697c008a1da96d1e7bb7f81d9d5

Aliases

arxiv: 1811.11438 · arxiv_version: 1811.11438v1 · doi: 10.48550/arxiv.1811.11438 · pith_short_12: GIPEKEM4S56U · pith_short_16: GIPEKEM4S56UFGJC · pith_short_8: GIPEKEM4

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/GIPEKEM4S56UFGJCRYJFIXAGS5 \
  | 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: 321e45119c977d4299228e12545c06975f388697c008a1da96d1e7bb7f81d9d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9224300a24ab586c1ffbcf234bc7f131244779738efcad4563cc3e8facd3a8d4",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-11-28T08:34:04Z",
    "title_canon_sha256": "660822441776d24e215c48068a10e5a27cc8befcec7f08784f5d51f26ae14c9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11438",
    "kind": "arxiv",
    "version": 1
  }
}