Pith Number

pith:4Z2ET3C4

pith:2022:4Z2ET3C4WGHVWXYHCUCDB24M2V

not attested not anchored not stored refs pending

The Chern Sectional Curvature of a Hermitian Manifold

Hongjun Li, Pandeng Cao

arxiv:2211.01533 v3 · 2022-11-03 · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4Z2ET3C4WGHVWXYHCUCDB24M2V}

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	2026-07-05T07:57:38.634311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e67449ec5cb18f5b5f07150430eb8cd57a75fc8e83fd82632f22026b892c3ebb

Aliases

arxiv: 2211.01533 · arxiv_version: 2211.01533v3 · doi: 10.48550/arxiv.2211.01533 · pith_short_12: 4Z2ET3C4WGHV · pith_short_16: 4Z2ET3C4WGHVWXYH · pith_short_8: 4Z2ET3C4

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/4Z2ET3C4WGHVWXYHCUCDB24M2V \
  | 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: e67449ec5cb18f5b5f07150430eb8cd57a75fc8e83fd82632f22026b892c3ebb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56057794829d4bce5072f3e96cff54452ea6334c79ab8e8d07902310205610fe",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2022-11-03T00:28:41Z",
    "title_canon_sha256": "39c2dd302a14455df247b76e3c865b597e4b76b9dfec85efe9347b322d5a1618"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.01533",
    "kind": "arxiv",
    "version": 3
  }
}