Pith Number

pith:TU5DNTFI

pith:2007:TU5DNTFI4EQHQ5DVORSTDOYMA6

not attested not anchored not stored refs pending

K\"ahler Ricci flow on Fano surfaces (I)

Bing Wang, Xiuxiong Chen

arxiv:0710.5204 v2 · 2007-10-27 · 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{TU5DNTFI4EQHQ5DVORSTDOYMA6}

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	2026-07-04T15:35:56.019752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d3a36cca8e120787475746531bb0c079087c84432a7082b381c46e209c24625

Aliases

arxiv: 0710.5204 · arxiv_version: 0710.5204v2 · doi: 10.48550/arxiv.0710.5204 · pith_short_12: TU5DNTFI4EQH · pith_short_16: TU5DNTFI4EQHQ5DV · pith_short_8: TU5DNTFI

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/TU5DNTFI4EQHQ5DVORSTDOYMA6 \
  | 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: 9d3a36cca8e120787475746531bb0c079087c84432a7082b381c46e209c24625

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75c2c72c67ab63734dedb75bde3948471c10a3e18832708aca592f48e5668d6d",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2007-10-27T17:03:18Z",
    "title_canon_sha256": "9090b604667fb0175cccbec531a14d86c160198df3bb5cfce2ad5c8f3aae4c1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.5204",
    "kind": "arxiv",
    "version": 2
  }
}