Pith Number

pith:J3XEXLZN

pith:2020:J3XEXLZNDJLPADWW6RHTAP6YZJ

not attested not anchored not stored refs pending

An algorithmic framework for colouring locally sparse graphs

Ewan Davies, Fran\c{c}ois Pirot, Jean-S\'ebastien Sereni, Ross J. Kang

arxiv:2004.07151 v1 · 2020-04-15 · cs.DS · 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{J3XEXLZNDJLPADWW6RHTAP6YZJ}

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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

Degree-sequence bounds for independent sets via multivariate local occupancy

Receipt and verification

First computed	2026-07-05T00:55:25.107562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4eee4baf2d1a56f00ed6f44f303fd8ca6b343ed63cc37a892b3b8f07ffba427a

Aliases

arxiv: 2004.07151 · arxiv_version: 2004.07151v1 · doi: 10.48550/arxiv.2004.07151 · pith_short_12: J3XEXLZNDJLP · pith_short_16: J3XEXLZNDJLPADWW · pith_short_8: J3XEXLZN

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/J3XEXLZNDJLPADWW6RHTAP6YZJ \
  | 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: 4eee4baf2d1a56f00ed6f44f303fd8ca6b343ed63cc37a892b3b8f07ffba427a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "033ef3e5917a1e93861d9be18ab4f4b4038f22dab55f859e218a0dae72af33d8",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2020-04-15T15:30:38Z",
    "title_canon_sha256": "212821346d86977ced718931b324dc2b3addf624e9b0bfb2a6c81b7b3db07e53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.07151",
    "kind": "arxiv",
    "version": 1
  }
}