Pith Number

pith:LAO4XA4J

pith:2014:LAO4XA4JOUDQ6D4DNDQ3HBBACO

not attested not anchored not stored refs pending

Poncelet's Theorem in the four nonisomorphic finite projective planes of order 9

Katharina Kusejko, Norbert Hungerb\"uhler

arxiv:1406.7857 v2 · 2014-06-30 · math.CO · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LAO4XA4JOUDQ6D4DNDQ3HBBACO}

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	2026-05-18T01:21:41.918338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

581dcb838975070f0f8368e1b3842013baa29023ae9e36ec61d9b0468262a179

Aliases

arxiv: 1406.7857 · arxiv_version: 1406.7857v2 · doi: 10.48550/arxiv.1406.7857 · pith_short_12: LAO4XA4JOUDQ · pith_short_16: LAO4XA4JOUDQ6D4D · pith_short_8: LAO4XA4J

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/LAO4XA4JOUDQ6D4DNDQ3HBBACO \
  | 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: 581dcb838975070f0f8368e1b3842013baa29023ae9e36ec61d9b0468262a179

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c7420a399b2bf43dbb67d4e3302a194f3b171f367658ce042c091849ec89814",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-06-30T19:01:40Z",
    "title_canon_sha256": "2a814897166a7d319454dd7d9d0c34daa4756a77b4ea490aa06eac949f5d074f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.7857",
    "kind": "arxiv",
    "version": 2
  }
}