Pith Number

pith:A7QN4XV4

pith:2026:A7QN4XV4XQDOU72LYLHOKOMGVX

not attested not anchored not stored refs pending

Size Ramsey number for star forests

Pingting Fu, Zhenyu Ni, Zhidan Luo

arxiv:2606.04439 v1 · 2026-06-03 · 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{A7QN4XV4XQDOU72LYLHOKOMGVX}

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	2026-06-04T01:09:08.163383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07e0de5ebcbc06ea7f4bc2cee53986adf14a59de3364b6b87831625b7758b096

Aliases

arxiv: 2606.04439 · arxiv_version: 2606.04439v1 · doi: 10.48550/arxiv.2606.04439 · pith_short_12: A7QN4XV4XQDO · pith_short_16: A7QN4XV4XQDOU72L · pith_short_8: A7QN4XV4

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/A7QN4XV4XQDOU72LYLHOKOMGVX \
  | 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: 07e0de5ebcbc06ea7f4bc2cee53986adf14a59de3364b6b87831625b7758b096

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "711cfcb0dce3c73111295ba4fd35c5b1469d8fa5d4e338ca7f9461e3f5e9efcc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-06-03T04:39:24Z",
    "title_canon_sha256": "ffe99371a9bd98e1eed97bb3c77032bbb9404fc7b09aeaa7dbff15f0d7e63fdc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.04439",
    "kind": "arxiv",
    "version": 1
  }
}