Pith Number

pith:GZBUJ5NT

pith:2019:GZBUJ5NTZIANMBUTB7ZWQ45C6J

not attested not anchored not stored refs pending

Oriented coloring of graphs with low maximum degree

Alexandre Pinlou, Pascal Ochem

arxiv:1905.12484 v1 · 2019-05-29 · 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{GZBUJ5NTZIANMBUTB7ZWQ45C6J}

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	2026-05-17T23:44:44.124179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

364344f5b3ca00d606930ff36873a2f26a5bb0d68b58f61986f182375f5a8be4

Aliases

arxiv: 1905.12484 · arxiv_version: 1905.12484v1 · doi: 10.48550/arxiv.1905.12484 · pith_short_12: GZBUJ5NTZIAN · pith_short_16: GZBUJ5NTZIANMBUT · pith_short_8: GZBUJ5NT

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/GZBUJ5NTZIANMBUTB7ZWQ45C6J \
  | 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: 364344f5b3ca00d606930ff36873a2f26a5bb0d68b58f61986f182375f5a8be4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb8654487e36fdf4b907e15518a093deb9f518835fbb30290ed2868e3345a5bb",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2019-05-29T14:19:13Z",
    "title_canon_sha256": "332c2ce01a98739a6547d9ecf0191ef14b8f222eeb63d1b0e420f283b9125d54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12484",
    "kind": "arxiv",
    "version": 1
  }
}