Pith Number

pith:WEOTVVNN

pith:2011:WEOTVVNNGC5QFM6NIQ7ASPUTAK

not attested not anchored not stored refs pending

A Tur'an-type problem for circular arc graphs

Francis Edward Su, Kevin O'Neill, Rosalie Carlson, Stephen Flood

arxiv:1110.4205 v1 · 2011-10-19 · math.CO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WEOTVVNNGC5QFM6NIQ7ASPUTAK}

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	2026-05-18T04:10:37.962758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b11d3ad5ad30bb02b3cd443e093e93028c4f5951824bf7e077c36b30f36620c1

Aliases

arxiv: 1110.4205 · arxiv_version: 1110.4205v1 · doi: 10.48550/arxiv.1110.4205 · pith_short_12: WEOTVVNNGC5Q · pith_short_16: WEOTVVNNGC5QFM6N · pith_short_8: WEOTVVNN

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/WEOTVVNNGC5QFM6NIQ7ASPUTAK \
  | 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: b11d3ad5ad30bb02b3cd443e093e93028c4f5951824bf7e077c36b30f36620c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "447ae87cbfb846b68d4675370917d7af71aed4c9b2576888bb492e0a4926f927",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-10-19T08:30:27Z",
    "title_canon_sha256": "5cd8bb7f3e197cde6bdd3a19b973811bb4126a29bee5d9557865ed8d74e005b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4205",
    "kind": "arxiv",
    "version": 1
  }
}