Pith Number

pith:WBFBJSKR

pith:2013:WBFBJSKRT7WVRVGLGZKNKTVRWW

not attested not anchored not stored refs pending

Chromatic-choosability of the power of graphs

Boram Park, Seog-Jin Kim, Young Soo Kwon

arxiv:1309.0888 v1 · 2013-09-04 · 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{WBFBJSKRT7WVRVGLGZKNKTVRWW}

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

Coloring, List Coloring, and Painting Squares of Graphs (and other related problems)

Receipt and verification

First computed	2026-05-18T03:14:16.598435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b04a14c9519fed58d4cb3654d54eb1b58bb8c916274c08ad4439a3933c15e1b2

Aliases

arxiv: 1309.0888 · arxiv_version: 1309.0888v1 · doi: 10.48550/arxiv.1309.0888 · pith_short_12: WBFBJSKRT7WV · pith_short_16: WBFBJSKRT7WVRVGL · pith_short_8: WBFBJSKR

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/WBFBJSKRT7WVRVGLGZKNKTVRWW \
  | 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: b04a14c9519fed58d4cb3654d54eb1b58bb8c916274c08ad4439a3933c15e1b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68480ec6d82bc4ccdcc8c747732212d9d7d350352d5d7a919fc65f7a7f0391d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-09-04T02:02:02Z",
    "title_canon_sha256": "9f239c42749008bc076e4dec406c3b8e4e9182d25660640e33f24a69aed92ec3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0888",
    "kind": "arxiv",
    "version": 1
  }
}