Pith Number

pith:X672ZEIP

pith:2005:X672ZEIPZILK6NIIUYSOPBHNHZ

not attested not anchored not stored refs pending

On the complex structure of K\"ahler manifolds with nonnegative curvature

Albert Chau, Luen-fai Tam

arxiv:math/0504422 v3 · 2005-04-21 · math.DG · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X672ZEIPZILK6NIIUYSOPBHNHZ}

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	2026-05-18T01:05:23.496563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfbfac910fca16af3508a624e784ed3e45a8f6bf17da6d78bd16ffce47d086ea

Aliases

arxiv: math/0504422 · arxiv_version: math/0504422v3 · doi: 10.48550/arxiv.math/0504422 · pith_short_12: X672ZEIPZILK · pith_short_16: X672ZEIPZILK6NII · pith_short_8: X672ZEIP

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/X672ZEIPZILK6NIIUYSOPBHNHZ \
  | 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: bfbfac910fca16af3508a624e784ed3e45a8f6bf17da6d78bd16ffce47d086ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f891fe3724202845cd56d2dbe68f0fa3a6d16e309f8aac08eac8ad1f336e2b7",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "2005-04-21T03:55:31Z",
    "title_canon_sha256": "3007297e274814d799b6d56e9bde4c8e8a31b8142a0612e0e5bd4ff49ad04884"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0504422",
    "kind": "arxiv",
    "version": 3
  }
}