Pith Number

pith:EA3XHVXE

pith:2017:EA3XHVXEMHM6EJ2PE4GVWVS2F7

not attested not anchored not stored refs pending

Character tables and the problem of existence of finite projective planes

M\'at\'e Matolcsi, Mih\'aly Weiner

arxiv:1709.06149 v1 · 2017-09-18 · math.CO · math.RT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EA3XHVXEMHM6EJ2PE4GVWVS2F7}

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	2026-05-18T00:34:54.247264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

203773d6e461d9e2274f270d5b565a2ffc07a95465d6ca691462e663f05f96ae

Aliases

arxiv: 1709.06149 · arxiv_version: 1709.06149v1 · doi: 10.48550/arxiv.1709.06149 · pith_short_12: EA3XHVXEMHM6 · pith_short_16: EA3XHVXEMHM6EJ2P · pith_short_8: EA3XHVXE

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/EA3XHVXEMHM6EJ2PE4GVWVS2F7 \
  | 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: 203773d6e461d9e2274f270d5b565a2ffc07a95465d6ca691462e663f05f96ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "975b14a233b8e3642633261bcfedff054a53c0e3d717fb9598335a4929ddb89e",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-09-18T20:11:09Z",
    "title_canon_sha256": "0c4e085cc6c8d55c6a0a707144f3a464399932e77d7714a39aefc506c7092c06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.06149",
    "kind": "arxiv",
    "version": 1
  }
}