Pith Number

pith:QEORV2KY

pith:2018:QEORV2KYNDFD424MRIPNS5VTG3

not attested not anchored not stored refs pending

Cut-edges and regular factors in regular graphs of odd degree

Alexander V. Kostochka, Andr\'e Raspaud, Bjarne Toft, Dara Zirlin, Douglas B. West

arxiv:1806.05347 v1 · 2018-06-14 · 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{QEORV2KYNDFD424MRIPNS5VTG3}

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	2026-05-18T00:13:16.282052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

811d1ae95868ca3e6b8c8a1ed976b336d8d75dcafa4d5506135933bd265bb3a6

Aliases

arxiv: 1806.05347 · arxiv_version: 1806.05347v1 · doi: 10.48550/arxiv.1806.05347 · pith_short_12: QEORV2KYNDFD · pith_short_16: QEORV2KYNDFD424M · pith_short_8: QEORV2KY

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/QEORV2KYNDFD424MRIPNS5VTG3 \
  | 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: 811d1ae95868ca3e6b8c8a1ed976b336d8d75dcafa4d5506135933bd265bb3a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bcf3e11f787aad44b88a2611e1adcf676f8c73b088e386044c79d43ae5d45a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-06-14T03:09:59Z",
    "title_canon_sha256": "7ce994ad56b70de4bcd3f7991df811e1b203f16260209f35fd589eba2cba869f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.05347",
    "kind": "arxiv",
    "version": 1
  }
}