Pith Number

pith:43LPQQET

pith:2019:43LPQQETLN6XBAJKJZLE5LQJHV

not attested not anchored not stored refs pending

On Severi type inequalities

Zhi Jiang

arxiv:1901.11207 v2 · 2019-01-31 · 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{43LPQQETLN6XBAJKJZLE5LQJHV}

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	2026-05-17T23:52:58.340077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6d6f840935b7d70812a4e564eae093d65ab710bc83729f75ce17bf7a19338d0

Aliases

arxiv: 1901.11207 · arxiv_version: 1901.11207v2 · doi: 10.48550/arxiv.1901.11207 · pith_short_12: 43LPQQETLN6X · pith_short_16: 43LPQQETLN6XBAJK · pith_short_8: 43LPQQET

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/43LPQQETLN6XBAJKJZLE5LQJHV \
  | 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: e6d6f840935b7d70812a4e564eae093d65ab710bc83729f75ce17bf7a19338d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05f24ab85d41b39412e3d15299de607e31113088255cfbca68063e902a272df0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-01-31T04:14:07Z",
    "title_canon_sha256": "7cdb0c74d2aa019ffa4ce3529bb21801a105d1fce30b970130758d89974871fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.11207",
    "kind": "arxiv",
    "version": 2
  }
}