Pith Number

pith:5B67IQKI

pith:2013:5B67IQKIROJSFSU5R2QPWQPHHW

not attested not anchored not stored refs pending

Severi inequality for varieties of maximal Albanese dimension

Tong Zhang

arxiv:1303.4043 v1 · 2013-03-17 · 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{5B67IQKIROJSFSU5R2QPWQPHHW}

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	2026-05-18T03:30:40.048090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e87df441488b9322ca9d8ea0fb41e73d9c13efdaaf88704e51822a183fe559e6

Aliases

arxiv: 1303.4043 · arxiv_version: 1303.4043v1 · doi: 10.48550/arxiv.1303.4043 · pith_short_12: 5B67IQKIROJS · pith_short_16: 5B67IQKIROJSFSU5 · pith_short_8: 5B67IQKI

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/5B67IQKIROJSFSU5R2QPWQPHHW \
  | 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: e87df441488b9322ca9d8ea0fb41e73d9c13efdaaf88704e51822a183fe559e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "715714f6eb428f84429e2e5ad2337e00462a115d9d44cabe280f800fe01e232a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-03-17T08:26:53Z",
    "title_canon_sha256": "09ed5cb256db18edf21cfb49008a42049e52628c6865b0d03a1cd44b8e534c85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4043",
    "kind": "arxiv",
    "version": 1
  }
}