Pith Number

pith:LYXIXR5E

pith:2016:LYXIXR5ENNBO4G4ZRE64LIRWS2

not attested not anchored not stored refs pending

Desarguesian spreads and field reduction for elements of the semilinear group

Geertrui Van de Voorde

arxiv:1607.01549 v1 · 2016-07-06 · 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{LYXIXR5ENNBO4G4ZRE64LIRWS2}

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	2026-05-18T01:11:26.160180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e2e8bc7a46b42ee1b99893dc5a23696b095d3aa5be0a8c3ac2e8353f81a9982

Aliases

arxiv: 1607.01549 · arxiv_version: 1607.01549v1 · doi: 10.48550/arxiv.1607.01549 · pith_short_12: LYXIXR5ENNBO · pith_short_16: LYXIXR5ENNBO4G4Z · pith_short_8: LYXIXR5E

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/LYXIXR5ENNBO4G4ZRE64LIRWS2 \
  | 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: 5e2e8bc7a46b42ee1b99893dc5a23696b095d3aa5be0a8c3ac2e8353f81a9982

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f26215b81787249bd75efd08d4ccb7b560f5956434517d59864de037798b3017",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-07-06T10:36:13Z",
    "title_canon_sha256": "759653de061eb1a09dd0c47608b705e8c93fb5d120d9fe2facde4b3b8b41a4f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.01549",
    "kind": "arxiv",
    "version": 1
  }
}