Pith Number

pith:JTLT7ELJ

pith:2013:JTLT7ELJIAZZSZXQKJQ7IWP3SM

not attested not anchored not stored refs pending

Representability of matroids with a large projective geometry minor

Jim Geelen, Rohan Kapadia

arxiv:1304.6451 v2 · 2013-04-24 · 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{JTLT7ELJIAZZSZXQKJQ7IWP3SM}

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	2026-05-18T02:20:10.882026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cd73f916940339966f05261f459fb9301013ac88ea44178d09f3991a215783e

Aliases

arxiv: 1304.6451 · arxiv_version: 1304.6451v2 · doi: 10.48550/arxiv.1304.6451 · pith_short_12: JTLT7ELJIAZZ · pith_short_16: JTLT7ELJIAZZSZXQ · pith_short_8: JTLT7ELJ

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/JTLT7ELJIAZZSZXQKJQ7IWP3SM \
  | 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: 4cd73f916940339966f05261f459fb9301013ac88ea44178d09f3991a215783e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86e45b8477f8b394b6e2f3d139f75f67363319cb7d365e0d605e3e7ef66b531a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-04-24T00:30:46Z",
    "title_canon_sha256": "6c25b68a94eca0730c7c86f591ffb09191a3b8328ff4cefd72ca0e333047e526"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6451",
    "kind": "arxiv",
    "version": 2
  }
}