Pith Number

pith:JL4QDBWN

pith:2018:JL4QDBWN6JUUFG3S2KFQ2FYOAM

not attested not anchored not stored refs pending

Coloring hypergraphs of low connectivity

Bjarne Toft, Michael Stiebitz, Thomas Schweser

arxiv:1806.08567 v2 · 2018-06-22 · 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{JL4QDBWN6JUUFG3S2KFQ2FYOAM}

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	2026-05-18T00:11:56.566591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4af90186cdf269429b72d28b0d170e033e0f3a4d6624fac7ae75244efc4018e1

Aliases

arxiv: 1806.08567 · arxiv_version: 1806.08567v2 · doi: 10.48550/arxiv.1806.08567 · pith_short_12: JL4QDBWN6JUU · pith_short_16: JL4QDBWN6JUUFG3S · pith_short_8: JL4QDBWN

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/JL4QDBWN6JUUFG3S2KFQ2FYOAM \
  | 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: 4af90186cdf269429b72d28b0d170e033e0f3a4d6624fac7ae75244efc4018e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69053025d30de72dc5cbeb181f33aa2666e50613d35d500e43d60047430b215e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-06-22T09:20:39Z",
    "title_canon_sha256": "29304505ddf8d1f46a5cbc852a5fa84caac9a2f34091e0de08ffbe1421383bc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.08567",
    "kind": "arxiv",
    "version": 2
  }
}