Pith Number

pith:Y5XVETM6

pith:2013:Y5XVETM66JEWRCE4DOJ7EIJHGS

not attested not anchored not stored refs pending

The geometric genus of hypersurface singularities

Andr\'as N\'emethi, Baldur Sigur{\dh}sson

arxiv:1310.1268 v1 · 2013-10-04 · 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{Y5XVETM66JEWRCE4DOJ7EIJHGS}

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	2026-05-18T01:18:19.517752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c76f524d9ef24968889c1b93f221273498e8c862850682b0a1270ad1bcae19c7

Aliases

arxiv: 1310.1268 · arxiv_version: 1310.1268v1 · doi: 10.48550/arxiv.1310.1268 · pith_short_12: Y5XVETM66JEW · pith_short_16: Y5XVETM66JEWRCE4 · pith_short_8: Y5XVETM6

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/Y5XVETM66JEWRCE4DOJ7EIJHGS \
  | 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: c76f524d9ef24968889c1b93f221273498e8c862850682b0a1270ad1bcae19c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3724f57e3248f0048b91af345b546d25f3526f3fe75c4b34b0001fe0e5b0d06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-10-04T13:48:07Z",
    "title_canon_sha256": "257d50da9c500a0c02e22471853be29acad6c7674594bf49c5fdff169485a23c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.1268",
    "kind": "arxiv",
    "version": 1
  }
}