Pith Number

pith:MBVLSXKV

pith:2013:MBVLSXKVEIAI77LTARAQI55O5U

not attested not anchored not stored refs pending

A new inequality on the Hodge number $h^{1,1}$ of algebraic surfaces

Fei Yu, Jun Lu, Kang Zuo, Sheng-Li Tan

arxiv:1303.2749 v1 · 2013-03-12 · 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{MBVLSXKVEIAI77LTARAQI55O5U}

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	2026-05-18T03:31:08.207395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

606ab95d5522008ffd7304410477aeed0def84e2696f54ef32fbed687f7d770d

Aliases

arxiv: 1303.2749 · arxiv_version: 1303.2749v1 · doi: 10.48550/arxiv.1303.2749 · pith_short_12: MBVLSXKVEIAI · pith_short_16: MBVLSXKVEIAI77LT · pith_short_8: MBVLSXKV

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/MBVLSXKVEIAI77LTARAQI55O5U \
  | 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: 606ab95d5522008ffd7304410477aeed0def84e2696f54ef32fbed687f7d770d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8188041e81e1a52aa55acd146ae6814f3734f4d930c9080688687ba4894c564c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-03-12T02:17:31Z",
    "title_canon_sha256": "1224e6b5f2f94e120341295cba470ff918fb7654840b2afd0b1d574aded8f6af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2749",
    "kind": "arxiv",
    "version": 1
  }
}