Pith Number

pith:4NIODXTY

pith:2013:4NIODXTYIHSZIFF45KJJUOZEZV

not attested not anchored not stored refs pending

The characterization of Hermitian surfaces by the number of points

Masaaki Homma, Seon Jeong Kim

arxiv:1304.0302 v3 · 2013-04-01 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4NIODXTYIHSZIFF45KJJUOZEZV}

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	2026-05-18T02:19:50.912821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e350e1de7841e59414bcea929a3b24cd6e2ac3de17c7613220e7dd81c45e69f3

Aliases

arxiv: 1304.0302 · arxiv_version: 1304.0302v3 · doi: 10.48550/arxiv.1304.0302 · pith_short_12: 4NIODXTYIHSZ · pith_short_16: 4NIODXTYIHSZIFF4 · pith_short_8: 4NIODXTY

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/4NIODXTYIHSZIFF45KJJUOZEZV \
  | 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: e350e1de7841e59414bcea929a3b24cd6e2ac3de17c7613220e7dd81c45e69f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04cc3a5cf928f28984bb5de1564bfcbc70601ed959130694e7ca10644664bc81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-04-01T06:58:36Z",
    "title_canon_sha256": "00c5f62a31ff14db395fb764dd219336b5778fc65343ae69a4fc2dfec54fa87a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0302",
    "kind": "arxiv",
    "version": 3
  }
}