Pith Number

pith:BHZJOR73

pith:2018:BHZJOR73RQFYE7AXIK34QAZLM2

not attested not anchored not stored refs pending

Characterizing subclasses of cover-incomparability graphs by forbidden subposets

Jana Maxov\'a, Jan Bok

arxiv:1801.03413 v3 · 2018-01-10 · math.CO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BHZJOR73RQFYE7AXIK34QAZLM2}

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	2026-05-18T00:05:23.856610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09f29747fb8c0b827c1742b7c8032b6697395e6428718579b9df6cd9ba591f52

Aliases

arxiv: 1801.03413 · arxiv_version: 1801.03413v3 · doi: 10.48550/arxiv.1801.03413 · pith_short_12: BHZJOR73RQFY · pith_short_16: BHZJOR73RQFYE7AX · pith_short_8: BHZJOR73

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/BHZJOR73RQFYE7AXIK34QAZLM2 \
  | 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: 09f29747fb8c0b827c1742b7c8032b6697395e6428718579b9df6cd9ba591f52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "644665a335030cdbb38cde8b8d1ca72a786022255648e20ce6cf8f386caf4514",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-01-10T15:08:46Z",
    "title_canon_sha256": "247d7fd4c304e5d96df269ffe01a897867a478c7f8262ca89fca6ccd2b438b75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03413",
    "kind": "arxiv",
    "version": 3
  }
}