Pith Number

pith:NE62XZIJ

pith:2012:NE62XZIJBM3DT6OLD7O7W3IQOQ

not attested not anchored not stored refs pending

Quasiplanar diagrams and slim semimodular lattices

G\'abor Cz\'edli

arxiv:1212.6904 v1 · 2012-12-31 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NE62XZIJBM3DT6OLD7O7W3IQOQ}

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	2026-05-18T03:37:29.531103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

693dabe5090b3639f9cb1fddfb6d1074010bc417ea86cc3b4aee61d2097115f8

Aliases

arxiv: 1212.6904 · arxiv_version: 1212.6904v1 · doi: 10.48550/arxiv.1212.6904 · pith_short_12: NE62XZIJBM3D · pith_short_16: NE62XZIJBM3DT6OL · pith_short_8: NE62XZIJ

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/NE62XZIJBM3DT6OLD7O7W3IQOQ \
  | 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: 693dabe5090b3639f9cb1fddfb6d1074010bc417ea86cc3b4aee61d2097115f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d72e28947aeffbced98df1cd0197e5d5bcb925f950e3be47aaafd2b63258b35e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2012-12-31T15:04:52Z",
    "title_canon_sha256": "35b83fe6827a5287a4434fcdff02776c35ffb750e0f3bd296b577e700781153a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.6904",
    "kind": "arxiv",
    "version": 1
  }
}