Pith Number

pith:TYAEGFEX

pith:2018:TYAEGFEXTLYR5TF6ZBYNDPMJHL

not attested not anchored not stored refs pending

Lattices with many congruences are planar

G\'abor Cz\'edli

arxiv:1807.08384 v1 · 2018-07-22 · math.RA · 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{TYAEGFEXTLYR5TF6ZBYNDPMJHL}

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.

Cited by

1 paper in Pith

One hundred twenty-seven subsemilattices and planarity

Receipt and verification

First computed	2026-05-18T00:04:44.555340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e004314979af11eccbec870d1bd893af689c593e880887b9602483229cbf543

Aliases

arxiv: 1807.08384 · arxiv_version: 1807.08384v1 · doi: 10.48550/arxiv.1807.08384 · pith_short_12: TYAEGFEXTLYR · pith_short_16: TYAEGFEXTLYR5TF6 · pith_short_8: TYAEGFEX

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/TYAEGFEXTLYR5TF6ZBYNDPMJHL \
  | 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: 9e004314979af11eccbec870d1bd893af689c593e880887b9602483229cbf543

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f1020d7a9336ba55b250dac883ada173ee1660adabaaf4fee641ad0b4b4f00b",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-07-22T23:34:58Z",
    "title_canon_sha256": "6d95933e71c5a45b086270f01577d5c4b5026845171c8dc6d4150bfc15a4e5d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08384",
    "kind": "arxiv",
    "version": 1
  }
}