Pith Number

pith:5E76NTPN

pith:2018:5E76NTPNG6CPZQDLZ3W2QWCAC7

not attested not anchored not stored refs pending

DP-Degree Colorable Hypergraphs

Thomas Schweser

arxiv:1808.01767 v3 · 2018-08-06 · 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{5E76NTPNG6CPZQDLZ3W2QWCAC7}

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	2026-05-17T23:42:53.809524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e93fe6cded3784fcc06bceeda8584017ccc4c7c9d0e30f1ef17e7b124b1d3e95

Aliases

arxiv: 1808.01767 · arxiv_version: 1808.01767v3 · doi: 10.48550/arxiv.1808.01767 · pith_short_12: 5E76NTPNG6CP · pith_short_16: 5E76NTPNG6CPZQDL · pith_short_8: 5E76NTPN

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/5E76NTPNG6CPZQDLZ3W2QWCAC7 \
  | 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: e93fe6cded3784fcc06bceeda8584017ccc4c7c9d0e30f1ef17e7b124b1d3e95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "894af1544e0fbbd08a9d235b04659f281bc19a780acfaeac9e0bed14dad36e71",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-08-06T08:30:28Z",
    "title_canon_sha256": "98eeb23ccbad995bf82a3d9cdb663b83feee195c35b771ec449d7d8884c0c79a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01767",
    "kind": "arxiv",
    "version": 3
  }
}