Pith Number

pith:PCJNAU5P

pith:2011:PCJNAU5PBR7TODYBVS45TXQDNB

not attested not anchored not stored refs pending

3-nets realizing a group in a projective plane

Gabor Korchmaros, Gabor Nagy, Nicola Pace

arxiv:1104.4439 v3 · 2011-04-22 · 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{PCJNAU5PBR7TODYBVS45TXQDNB}

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	2026-05-18T04:19:53.093034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7892d053af0c7f370f01acb9d9de0368410e3d4d0fbacd3e396cd6de4d200e33

Aliases

arxiv: 1104.4439 · arxiv_version: 1104.4439v3 · doi: 10.48550/arxiv.1104.4439 · pith_short_12: PCJNAU5PBR7T · pith_short_16: PCJNAU5PBR7TODYB · pith_short_8: PCJNAU5P

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/PCJNAU5PBR7TODYBVS45TXQDNB \
  | 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: 7892d053af0c7f370f01acb9d9de0368410e3d4d0fbacd3e396cd6de4d200e33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da0d7212efb20dee8d9c474fac61cedb8292837b0d2e5c1fc275918789f59a5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-04-22T13:42:49Z",
    "title_canon_sha256": "a387f546f124dfb4e01cbfb27895faf98161f1bdbb7c93609b86641323a89198"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4439",
    "kind": "arxiv",
    "version": 3
  }
}