Pith Number

pith:6CFBZBLB

pith:2016:6CFBZBLBMNZEUPAK72SOZM36GJ

not attested not anchored not stored refs pending

The geometric genus and Seiberg-Witten invariant of Newton nondegenerate surface singularities

Baldur Sigur{\dh}sson

arxiv:1601.02572 v1 · 2016-01-11 · 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{6CFBZBLBMNZEUPAK72SOZM36GJ}

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	2026-05-18T01:23:04.775669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f08a1c856163724a3c0afea4ecb37e32557bcad6679faf8a73bb08e35220009e

Aliases

arxiv: 1601.02572 · arxiv_version: 1601.02572v1 · doi: 10.48550/arxiv.1601.02572 · pith_short_12: 6CFBZBLBMNZE · pith_short_16: 6CFBZBLBMNZEUPAK · pith_short_8: 6CFBZBLB

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/6CFBZBLBMNZEUPAK72SOZM36GJ \
  | 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: f08a1c856163724a3c0afea4ecb37e32557bcad6679faf8a73bb08e35220009e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f69d569c0f59d1069f6f340398a0d53f2da85c3727961ed647a0d9dc19b6286",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-01-11T19:48:49Z",
    "title_canon_sha256": "575a4fbd605ef2205056b062361c41d019e97b52c0df51a139c799a73c0df741"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.02572",
    "kind": "arxiv",
    "version": 1
  }
}