Pith Number

pith:FHVTAYVW

pith:2021:FHVTAYVWRRF7M75TYSHHHKGHZG

not attested not anchored not stored refs pending

$F$-factors in Quasi-random Hypergraphs

Guanghui Wang, Jie Han, Laihao Ding, Shumin Sun, Wenling Zhou

arxiv:2108.10731 v2 · 2021-08-18 · 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{FHVTAYVWRRF7M75TYSHHHKGHZG}

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	2026-07-05T04:05:12.746586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29eb3062b68c4bf67fb3c48e73a8c7c9a6b1a9875df1ebdbd72ad5e898c9e948

Aliases

arxiv: 2108.10731 · arxiv_version: 2108.10731v2 · doi: 10.48550/arxiv.2108.10731 · pith_short_12: FHVTAYVWRRF7 · pith_short_16: FHVTAYVWRRF7M75T · pith_short_8: FHVTAYVW

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/FHVTAYVWRRF7M75TYSHHHKGHZG \
  | 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: 29eb3062b68c4bf67fb3c48e73a8c7c9a6b1a9875df1ebdbd72ad5e898c9e948

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b5f69a790c38fae3df648e8318debd69303a8fe3a3b6bef78afb0830bfc1477",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2021-08-18T00:59:51Z",
    "title_canon_sha256": "0b3b20ac2f96dc9d79cac4dd0de40a090b778a2fe4b23b6f119ab7eff8200b75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.10731",
    "kind": "arxiv",
    "version": 2
  }
}