Pith Number

pith:CN34VGT2

pith:2012:CN34VGT2DM46WNUOXKAJXNEAI4

not attested not anchored not stored refs pending

On the code generated by the incidence matrix of points and k-spaces in PG(n, q) and its dual

Geertrui Van de Voorde, Leo Storme, Michel Lavrauw

arxiv:1201.3291 v1 · 2012-01-16 · 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{CN34VGT2DM46WNUOXKAJXNEAI4}

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	2026-05-18T04:04:31.713146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1377ca9a7a1b39eb368eba809bb4804702bfbd7c0969d2d7b57c31a509e0a6fb

Aliases

arxiv: 1201.3291 · arxiv_version: 1201.3291v1 · doi: 10.48550/arxiv.1201.3291 · pith_short_12: CN34VGT2DM46 · pith_short_16: CN34VGT2DM46WNUO · pith_short_8: CN34VGT2

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/CN34VGT2DM46WNUOXKAJXNEAI4 \
  | 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: 1377ca9a7a1b39eb368eba809bb4804702bfbd7c0969d2d7b57c31a509e0a6fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f01665111a30bd4d8c18f718373ad270d37ca032736ee5fbfe8dca7541dcf89",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-01-16T15:50:31Z",
    "title_canon_sha256": "f3528d9d7992e875ff8c12e50e5745db708883b5025aacdd8d3bd3b2204f3fd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3291",
    "kind": "arxiv",
    "version": 1
  }
}