Pith Number

pith:4O3GQP2O

pith:2018:4O3GQP2OJYMF2Q6FPOZO3HV3HF

not attested not anchored not stored refs pending

A degree condition for diameter two orientability of graphs

\'Eva Czabarka, L\'aszl\'o A. Sz\'ekely, Peter Dankelmann

arxiv:1807.00032 v1 · 2018-06-29 · 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{4O3GQP2OJYMF2Q6FPOZO3HV3HF}

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	2026-05-18T00:11:56.324966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3b6683f4e4e185d43c57bb2ed9ebb396af773a5ddec4ff439a30fa93b1c4124

Aliases

arxiv: 1807.00032 · arxiv_version: 1807.00032v1 · doi: 10.48550/arxiv.1807.00032 · pith_short_12: 4O3GQP2OJYMF · pith_short_16: 4O3GQP2OJYMF2Q6F · pith_short_8: 4O3GQP2O

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/4O3GQP2OJYMF2Q6FPOZO3HV3HF \
  | 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: e3b6683f4e4e185d43c57bb2ed9ebb396af773a5ddec4ff439a30fa93b1c4124

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72a429daca0cdafe57bf7c0c6adda941f8b5faba18b29fddaa9c92a5709d874b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-06-29T18:37:26Z",
    "title_canon_sha256": "6bf2c84035464e6e01c5d3c15cba9fd54e7e35636a5795bce2ef529ed36719b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00032",
    "kind": "arxiv",
    "version": 1
  }
}