Pith Number

pith:S7AI42PK

pith:2012:S7AI42PKMRXFPT3CR25OXURLLV

not attested not anchored not stored refs pending

Partial covers of PG(n,q)

Geertrui Van de Voorde, Leo Storme, Stefan Dodunekov

arxiv:1210.1002 v1 · 2012-10-03 · 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{S7AI42PKMRXFPT3CR25OXURLLV}

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	2026-05-18T03:44:13.110377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97c08e69ea646e57cf628ebaebd22b5d6c1a955c88cb7d135273f9e2f3175758

Aliases

arxiv: 1210.1002 · arxiv_version: 1210.1002v1 · doi: 10.48550/arxiv.1210.1002 · pith_short_12: S7AI42PKMRXF · pith_short_16: S7AI42PKMRXFPT3C · pith_short_8: S7AI42PK

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/S7AI42PKMRXFPT3CR25OXURLLV \
  | 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: 97c08e69ea646e57cf628ebaebd22b5d6c1a955c88cb7d135273f9e2f3175758

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1d2c8b8e94dea1fdf691295c72690964d8d61525c2b1ffa404716bbde40bc67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-10-03T06:31:09Z",
    "title_canon_sha256": "a5abc5174374ec950f04db31b4cee01811ba92bbf85315ce91c35be24e2b453d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1002",
    "kind": "arxiv",
    "version": 1
  }
}