Pith Number

pith:CDZIYDXX

pith:2014:CDZIYDXXYKNFHJL765J742KYDN

not attested not anchored not stored refs pending

Counting K_4-Subdivisions

Jens M. Schmidt, Mingji Xia, Tillmann Miltzow

arxiv:1411.4819 v2 · 2014-11-18 · cs.DM · 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{CDZIYDXXYKNFHJL765J742KYDN}

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	2026-05-18T01:49:31.365687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10f28c0ef7c29a53a57ff753fe69581b54e8f14f6070e5122b48499958d45f6a

Aliases

arxiv: 1411.4819 · arxiv_version: 1411.4819v2 · doi: 10.48550/arxiv.1411.4819 · pith_short_12: CDZIYDXXYKNF · pith_short_16: CDZIYDXXYKNFHJL7 · pith_short_8: CDZIYDXX

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/CDZIYDXXYKNFHJL765J742KYDN \
  | 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: 10f28c0ef7c29a53a57ff753fe69581b54e8f14f6070e5122b48499958d45f6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f0d98270b5419bd7d957865f3db436c0cfa467cd89c8e49203f2585ee3ac15c",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2014-11-18T12:05:57Z",
    "title_canon_sha256": "186227fcd2ce0d46449ae0c7c3ed60b7240d90b73f14d4e70281382347ea3c03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.4819",
    "kind": "arxiv",
    "version": 2
  }
}