Pith Number

pith:VTAIKK2L

pith:2011:VTAIKK2LUXKFCYQ3ZXC5NGP2Z2

not attested not anchored not stored refs pending

An example of compact K\"ahler manifold with nonnegative quadratic bisectional curvature

Damin Wu, Fangyang Zheng, Qun Li

arxiv:1110.1749 v1 · 2011-10-08 · 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{VTAIKK2LUXKFCYQ3ZXC5NGP2Z2}

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	2026-05-18T04:11:19.706261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acc0852b4ba5d451621bcdc5d699faceba6e12be4b63cf0b8579a777034a476b

Aliases

arxiv: 1110.1749 · arxiv_version: 1110.1749v1 · doi: 10.48550/arxiv.1110.1749 · pith_short_12: VTAIKK2LUXKF · pith_short_16: VTAIKK2LUXKFCYQ3 · pith_short_8: VTAIKK2L

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/VTAIKK2LUXKFCYQ3ZXC5NGP2Z2 \
  | 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: acc0852b4ba5d451621bcdc5d699faceba6e12be4b63cf0b8579a777034a476b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46051d3d83408c8f9d7bec696c2fd017b16422aece97f5c2ffa108c43fe87fb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-10-08T16:33:36Z",
    "title_canon_sha256": "d3cc5c35d2dc9d9865e608a754ee91227026b5ec1b18c61483f0b69e578b170a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.1749",
    "kind": "arxiv",
    "version": 1
  }
}