Pith Number

pith:JGFCQKHZ

pith:2016:JGFCQKHZPPGS7DK6SXWU6GHPSU

not attested not anchored not stored refs pending

Polarity and Monopolarity of $3$-colourable comparability graphs

Nikola Yolov

arxiv:1604.00905 v2 · 2016-04-04 · cs.CC · 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{JGFCQKHZPPGS7DK6SXWU6GHPSU}

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	2026-05-18T01:17:38.860828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

498a2828f97bcd2f8d5e95ed4f18ef953d87b43b7ec4b657d0ecccd38c479f5a

Aliases

arxiv: 1604.00905 · arxiv_version: 1604.00905v2 · doi: 10.48550/arxiv.1604.00905 · pith_short_12: JGFCQKHZPPGS · pith_short_16: JGFCQKHZPPGS7DK6 · pith_short_8: JGFCQKHZ

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/JGFCQKHZPPGS7DK6SXWU6GHPSU \
  | 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: 498a2828f97bcd2f8d5e95ed4f18ef953d87b43b7ec4b657d0ecccd38c479f5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ded8c562b4bbe8e14530e825cc81c180c3f86cf677aa11a2aeab8d3fa6a3e369",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2016-04-04T15:18:12Z",
    "title_canon_sha256": "301b92f3a94ee32786ad4704a1e22b2a32d496bba0c5b7f484a990edd0706421"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.00905",
    "kind": "arxiv",
    "version": 2
  }
}