Pith Number

pith:BWWR25U5

pith:2013:BWWR25U54IRQEEBC2U45Y6NHOG

not attested not anchored not stored refs pending

Semiarcs with a long secant in $\mathrm{PG}(2,q)$

Bence Csajb\'ok, Gy\"orgy Kiss, Tam\'as H\'eger

arxiv:1310.7207 v2 · 2013-10-27 · 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{BWWR25U54IRQEEBC2U45Y6NHOG}

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	2026-05-18T02:47:05.674054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0dad1d769de223021022d539dc79a771a623fb0eae681d04303f735afb43d1e6

Aliases

arxiv: 1310.7207 · arxiv_version: 1310.7207v2 · doi: 10.48550/arxiv.1310.7207 · pith_short_12: BWWR25U54IRQ · pith_short_16: BWWR25U54IRQEEBC · pith_short_8: BWWR25U5

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/BWWR25U54IRQEEBC2U45Y6NHOG \
  | 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: 0dad1d769de223021022d539dc79a771a623fb0eae681d04303f735afb43d1e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56b8033b7b92971af9adf9f85835329dce92313876777faa16f2bbeb18cdb124",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-10-27T16:05:01Z",
    "title_canon_sha256": "2a9aed2c2bb3c61e4e9998cb705071ff19b0d4e4867f92630dfbabee3d9d03c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.7207",
    "kind": "arxiv",
    "version": 2
  }
}