Pith Number

pith:GRODVDTO

pith:2012:GRODVDTOBXL46WVC5QL5KEGLSC

not attested not anchored not stored refs pending

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

Geertrui Van de Voorde, Leo Storme, Michel Lavrauw

arxiv:1201.3290 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{GRODVDTOBXL46WVC5QL5KEGLSC}

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	2026-05-18T04:04:31.721581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

345c3a8e6e0dd7cf5aa2ec17d510cb909490e1fdf4c694b0d863bf667ab36f56

Aliases

arxiv: 1201.3290 · arxiv_version: 1201.3290v1 · doi: 10.48550/arxiv.1201.3290 · pith_short_12: GRODVDTOBXL4 · pith_short_16: GRODVDTOBXL46WVC · pith_short_8: GRODVDTO

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/GRODVDTOBXL46WVC5QL5KEGLSC \
  | 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: 345c3a8e6e0dd7cf5aa2ec17d510cb909490e1fdf4c694b0d863bf667ab36f56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d1ee713f82bddc802322be12955dae59b6668d34ef86a53ce668507c5b352ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-01-16T15:47:59Z",
    "title_canon_sha256": "3564f762573f0cd5fbd21f0b870104d327d99015835585b75dcf424ac3fa63b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3290",
    "kind": "arxiv",
    "version": 1
  }
}