Pith Number

pith:FH4Y5C7L

pith:2018:FH4Y5C7L6SOQPWNU6FR4ROZIC3

not attested not anchored not stored refs pending

Cycle Traversability for Claw-free Graphs and Polyhedral Maps

Dong Ye, Ervin Gy\H{o}ri, Michael D. Plummer, Xiaoya Zha

arxiv:1803.04466 v2 · 2018-03-12 · 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{FH4Y5C7L6SOQPWNU6FR4ROZIC3}

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	2026-05-17T23:51:56.026759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29f98e8bebf49d07d9b4f163c8bb2816dffd598ddf72a25c0102b9339eec096f

Aliases

arxiv: 1803.04466 · arxiv_version: 1803.04466v2 · doi: 10.48550/arxiv.1803.04466 · pith_short_12: FH4Y5C7L6SOQ · pith_short_16: FH4Y5C7L6SOQPWNU · pith_short_8: FH4Y5C7L

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/FH4Y5C7L6SOQPWNU6FR4ROZIC3 \
  | 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: 29f98e8bebf49d07d9b4f163c8bb2816dffd598ddf72a25c0102b9339eec096f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44a1309d1ac871dd656500584051bc23c88ea24835e3fe7f58c297641966b798",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-03-12T19:06:10Z",
    "title_canon_sha256": "ddc2b90beabe877c53cd0ebf43dbe1f4b1100a24b97acf49e5b426321302bb04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04466",
    "kind": "arxiv",
    "version": 2
  }
}