Pith Number

pith:JI7AHBCU

pith:2010:JI7AHBCUGGGLNWKGQ6G62KMCF7

not attested not anchored not stored refs pending

A geometric approach to Mathon maximal arcs

Frank De Clerck, Stefaan De Winter, Thomas Maes

arxiv:1003.2080 v2 · 2010-03-10 · 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{JI7AHBCUGGGLNWKGQ6G62KMCF7}

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	2026-05-18T04:34:27.734520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a3e038454318cb6d946878ded29822fec23f330bbbccfd66c83aafe8f179635

Aliases

arxiv: 1003.2080 · arxiv_version: 1003.2080v2 · doi: 10.48550/arxiv.1003.2080 · pith_short_12: JI7AHBCUGGGL · pith_short_16: JI7AHBCUGGGLNWKG · pith_short_8: JI7AHBCU

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/JI7AHBCUGGGLNWKGQ6G62KMCF7 \
  | 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: 4a3e038454318cb6d946878ded29822fec23f330bbbccfd66c83aafe8f179635

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ac3350ae446c2324e7711a2fa073fdfcca99b96bc856cc35b9ad624b3f05dae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-03-10T11:02:24Z",
    "title_canon_sha256": "51eec848ab9cf3112d6302344f0d882374dc91b17f5a456d912c3b2360b8373c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.2080",
    "kind": "arxiv",
    "version": 2
  }
}