Pith Number

pith:SSNMHHWJ

pith:2020:SSNMHHWJ3QGDMPJUYKJ3WR47GN

not attested not anchored not stored refs pending

Singular K\"ahler-Einstein metrics on $\mathbb Q$-Fano compactifications of Lie groups

Gang Tian, Xiaohua Zhu, Yan Li

arxiv:2001.11320 v1 · 2020-01-30 · math.DG · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SSNMHHWJ3QGDMPJUYKJ3WR47GN}

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	2026-07-05T00:37:22.557628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

949ac39ec9dc0c363d34c293bb479f33403e6efcd432c3dde1347d9a7b89f890

Aliases

arxiv: 2001.11320 · arxiv_version: 2001.11320v1 · doi: 10.48550/arxiv.2001.11320 · pith_short_12: SSNMHHWJ3QGD · pith_short_16: SSNMHHWJ3QGDMPJU · pith_short_8: SSNMHHWJ

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/SSNMHHWJ3QGDMPJUYKJ3WR47GN \
  | 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: 949ac39ec9dc0c363d34c293bb479f33403e6efcd432c3dde1347d9a7b89f890

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e0a1c1848f1de50f8bafbd9dd5fa5c565a900cff9ce24ab67a0122a3de87869",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2020-01-30T13:59:30Z",
    "title_canon_sha256": "785e7e431cc3548fd5eabdf4c785330d5438706ba4741bb778de1c0e34091252"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.11320",
    "kind": "arxiv",
    "version": 1
  }
}