Pith Number

pith:CWY6JGY6

pith:2013:CWY6JGY6XSPZEAENKOMGDVBPRR

not attested not anchored not stored refs pending

K\"ahler non-collapsing, eigenvalues and the Calabi flow

Haozhao Li, Kai Zheng

arxiv:1309.4304 v2 · 2013-09-17 · 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{CWY6JGY6XSPZEAENKOMGDVBPRR}

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	2026-05-18T02:30:22.905208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15b1e49b1ebc9f92008d539861d42f8c4ee55241ca09369bce7a918aacbdb10a

Aliases

arxiv: 1309.4304 · arxiv_version: 1309.4304v2 · doi: 10.48550/arxiv.1309.4304 · pith_short_12: CWY6JGY6XSPZ · pith_short_16: CWY6JGY6XSPZEAEN · pith_short_8: CWY6JGY6

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/CWY6JGY6XSPZEAENKOMGDVBPRR \
  | 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: 15b1e49b1ebc9f92008d539861d42f8c4ee55241ca09369bce7a918aacbdb10a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad9bccd96422cc9705e9980e8ae9d9f8491442da23995f2aea86ed4c0ff3f9ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-09-17T13:43:43Z",
    "title_canon_sha256": "fd7deee9ad6ce85f80ab1e16216b34bece40c243cf29ae7c81e7e2e0af70bca9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4304",
    "kind": "arxiv",
    "version": 2
  }
}