Pith Number

pith:QFSHETZ2

pith:2010:QFSHETZ2HQIJPAWRB7DXA2WZPE

not attested not anchored not stored refs pending

Unique-maximum and conflict-free colorings for hypergraphs and tree graphs

Bal\'azs Keszegh, D\"om\"ot\"or P\'alv\"olgyi, Panagiotis Cheilaris

arxiv:1002.4210 v3 · 2010-02-22 · 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{QFSHETZ2HQIJPAWRB7DXA2WZPE}

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.

Cited by

1 paper in Pith

Strong Sparsification for 1-in-3-SAT via Polynomial Freiman-Ruzsa

Receipt and verification

First computed	2026-05-18T03:53:55.014250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8164724f3a3c109782d10fc7706ad97921987dc58cfbe260ca31da90b859895c

Aliases

arxiv: 1002.4210 · arxiv_version: 1002.4210v3 · doi: 10.48550/arxiv.1002.4210 · pith_short_12: QFSHETZ2HQIJ · pith_short_16: QFSHETZ2HQIJPAWR · pith_short_8: QFSHETZ2

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/QFSHETZ2HQIJPAWRB7DXA2WZPE \
  | 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: 8164724f3a3c109782d10fc7706ad97921987dc58cfbe260ca31da90b859895c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fca0b19d617ad2ca9021881e348f31da350247dbcccd6eecabc0234fe8fefb3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-02-22T22:08:20Z",
    "title_canon_sha256": "62160eb363ea8132d7236c6409d347dfc61d6f85ed51a71070cbb012b63e9bc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.4210",
    "kind": "arxiv",
    "version": 3
  }
}