Pith Number

pith:IAUFG2S2

pith:2009:IAUFG2S2KCJFV7MYIMXYXYQQO5

not attested not anchored not stored refs pending

Weighted Regularity Lemma with Applications

Andr\'as Pluh\'ar, B\'ela Csaba

arxiv:0907.0245 v2 · 2009-07-01 · 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{IAUFG2S2KCJFV7MYIMXYXYQQO5}

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	2026-05-18T04:28:55.841200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4028536a5a50925afd98432f8be2107752038ce74515127284afb046e1350b7d

Aliases

arxiv: 0907.0245 · arxiv_version: 0907.0245v2 · doi: 10.48550/arxiv.0907.0245 · pith_short_12: IAUFG2S2KCJF · pith_short_16: IAUFG2S2KCJFV7MY · pith_short_8: IAUFG2S2

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/IAUFG2S2KCJFV7MYIMXYXYQQO5 \
  | 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: 4028536a5a50925afd98432f8be2107752038ce74515127284afb046e1350b7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a308b9662ab1cb753c6285ac387c0403b8d97d2b188fdccb772afc07fca5b5ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2009-07-01T21:15:10Z",
    "title_canon_sha256": "a96fb9b8faa0dbfed710f1d21b3cc8c457f5b845b8cb1ae8cc3d46200c993f3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0245",
    "kind": "arxiv",
    "version": 2
  }
}