Pith Number

pith:2TOQIAPH

pith:2012:2TOQIAPHDMCFV6AHBCLOPB5RLR

not attested not anchored not stored refs pending

On codewords in the dual code of classical generalised quadrangles and classical polar spaces

Geertrui Van de Voorde, Leo Storme, Valentina Pepe

arxiv:1201.3294 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{2TOQIAPHDMCFV6AHBCLOPB5RLR}

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	2026-05-18T04:04:31.695942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4dd0401e71b045af8070896e787b15c72244edfe4e106b7e8c591be584f5b81

Aliases

arxiv: 1201.3294 · arxiv_version: 1201.3294v1 · doi: 10.48550/arxiv.1201.3294 · pith_short_12: 2TOQIAPHDMCF · pith_short_16: 2TOQIAPHDMCFV6AH · pith_short_8: 2TOQIAPH

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/2TOQIAPHDMCFV6AHBCLOPB5RLR \
  | 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: d4dd0401e71b045af8070896e787b15c72244edfe4e106b7e8c591be584f5b81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d89f24b62f601ac81d95fdb145ea4f0695eaed14121587eabee6798c06e66c36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-01-16T15:52:52Z",
    "title_canon_sha256": "ba56254a1446f1e0671ecc252980d90e101eefef95d7c3da7ece505fb21d6e3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3294",
    "kind": "arxiv",
    "version": 1
  }
}