Pith Number

pith:2V4EZAOZ

pith:2018:2V4EZAOZTFCHNXGTYOOGH77DX4

not attested not anchored not stored refs pending

A note on compact $\kappa$-solutions of K\"{a}hler-Ricci flow

Xiaohua Zhu, Yuxing Deng

arxiv:1811.08859 v1 · 2018-11-21 · 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{2V4EZAOZTFCHNXGTYOOGH77DX4}

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	2026-05-18T00:00:09.769741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5784c81d9994476dcd3c39c63ffe3bf2a5d48f07386e94a050ed12943449903

Aliases

arxiv: 1811.08859 · arxiv_version: 1811.08859v1 · doi: 10.48550/arxiv.1811.08859 · pith_short_12: 2V4EZAOZTFCH · pith_short_16: 2V4EZAOZTFCHNXGT · pith_short_8: 2V4EZAOZ

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/2V4EZAOZTFCHNXGTYOOGH77DX4 \
  | 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: d5784c81d9994476dcd3c39c63ffe3bf2a5d48f07386e94a050ed12943449903

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c607e03187c240f6a14247f289d44da727a103f5b50481b5c7215d505e9c452b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-11-21T18:09:21Z",
    "title_canon_sha256": "8585b6b147267e4ca4b51d143050fff6ae8ef1d123f10c460dde7168054645e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.08859",
    "kind": "arxiv",
    "version": 1
  }
}