Pith Number

pith:7SJB4BSP

pith:2013:7SJB4BSPBHWYNJOB6U27FIU4WL

not attested not anchored not stored refs pending

Kahler-Einstein metrics on Fano manifolds, III: limits as cone angle approaches 2\pi\ and completion of the main proof

Simon Donaldson, Song Sun, Xiuxiong Chen

arxiv:1302.0282 v1 · 2013-02-01 · math.DG · math-ph · math.AG · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7SJB4BSPBHWYNJOB6U27FIU4WL}

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	2026-05-18T03:34:46.863711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc921e064f09ed86a5c1f535f2a29cb2f7721e156ae75cb4c1b80b85dd9588ba

Aliases

arxiv: 1302.0282 · arxiv_version: 1302.0282v1 · doi: 10.48550/arxiv.1302.0282 · pith_short_12: 7SJB4BSPBHWY · pith_short_16: 7SJB4BSPBHWYNJOB · pith_short_8: 7SJB4BSP

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/7SJB4BSPBHWYNJOB6U27FIU4WL \
  | 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: fc921e064f09ed86a5c1f535f2a29cb2f7721e156ae75cb4c1b80b85dd9588ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41b5d749c0ccec19df85fadab9f1cf36e714ce9c55649e35e2c51c8564a79242",
    "cross_cats_sorted": [
      "math-ph",
      "math.AG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-02-01T20:57:09Z",
    "title_canon_sha256": "6f4f05ae99d28a595ad8dd9d9aecca2a9b917cb5fa333f33efc568704e809114"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.0282",
    "kind": "arxiv",
    "version": 1
  }
}