Pith Number

pith:QQQZHZH3

pith:2019:QQQZHZH3XHZ5G5NWE4OE5BH2OS

not attested not anchored not stored refs pending

A note on Gallai-Ramsey number of even wheels

Bing Wei, Fangfang Zhang, Qinghong Zhao, Zi-Xia Song

arxiv:1905.13564 v2 · 2019-05-30 · 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{QQQZHZH3XHZ5G5NWE4OE5BH2OS}

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	2026-07-05T00:15:05.778205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

842193e4fbb9f3d375b6271c4e84fa7481387951bb92a6381fbbe43419a2392c

Aliases

arxiv: 1905.13564 · arxiv_version: 1905.13564v2 · doi: 10.48550/arxiv.1905.13564 · pith_short_12: QQQZHZH3XHZ5 · pith_short_16: QQQZHZH3XHZ5G5NW · pith_short_8: QQQZHZH3

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/QQQZHZH3XHZ5G5NWE4OE5BH2OS \
  | 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: 842193e4fbb9f3d375b6271c4e84fa7481387951bb92a6381fbbe43419a2392c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1056d3eeaef0e7781401404fb9899c041b68abff10701bcf73c2dfdb5c473ebc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-05-30T02:51:25Z",
    "title_canon_sha256": "0668c2f613f03cb5b57c856b8b1dabf77b2647a3c3c8d05a218aed4f284c286f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.13564",
    "kind": "arxiv",
    "version": 2
  }
}