Pith Number

pith:KEUWM3XM

pith:2014:KEUWM3XMC7MV2PXCSNEFBVON35

not attested not anchored not stored refs pending

Triangle-free geometric intersection graphs with no large independent sets

Bartosz Walczak

arxiv:1404.0169 v2 · 2014-04-01 · math.CO · cs.CG · cs.DM · math.MG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KEUWM3XMC7MV2PXCSNEFBVON35}

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	2026-05-18T02:30:32.087968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5129666eec17d95d3ee2934850d5cddf5d01067fbe578671eacf32361da30665

Aliases

arxiv: 1404.0169 · arxiv_version: 1404.0169v2 · doi: 10.48550/arxiv.1404.0169 · pith_short_12: KEUWM3XMC7MV · pith_short_16: KEUWM3XMC7MV2PXC · pith_short_8: KEUWM3XM

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/KEUWM3XMC7MV2PXCSNEFBVON35 \
  | 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: 5129666eec17d95d3ee2934850d5cddf5d01067fbe578671eacf32361da30665

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce1138326e6e006cf776bdac5baee35437223fff437493330c8f78c654bad191",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.DM",
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-04-01T09:14:25Z",
    "title_canon_sha256": "77ab72b95c87d93df675f8bce51a23cb366382cde32d24532e701ba8f65a7c34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.0169",
    "kind": "arxiv",
    "version": 2
  }
}