Pith Number

pith:WIUXMYCR

pith:2012:WIUXMYCRCTOZXRFP4LBBF2WTZD

not attested not anchored not stored refs pending

Compact Moduli Spaces of Del Pezzo Surfaces and K\"ahler-Einstein metrics

Cristiano Spotti, Song Sun, Yuji Odaka

arxiv:1210.0858 v3 · 2012-10-02 · 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{WIUXMYCRCTOZXRFP4LBBF2WTZD}

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	2026-05-18T02:25:19.155631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b22976605114dd9bc4afe2c212ead3c8e1f0e25aea87def3544467d12f367fe9

Aliases

arxiv: 1210.0858 · arxiv_version: 1210.0858v3 · doi: 10.48550/arxiv.1210.0858 · pith_short_12: WIUXMYCRCTOZ · pith_short_16: WIUXMYCRCTOZXRFP · pith_short_8: WIUXMYCR

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/WIUXMYCRCTOZXRFP4LBBF2WTZD \
  | 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: b22976605114dd9bc4afe2c212ead3c8e1f0e25aea87def3544467d12f367fe9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "938b0a1e2481ba509f0936099c8985316d336b0dff3f97b74e4abb2a5d7d09fd",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-10-02T17:52:21Z",
    "title_canon_sha256": "dfbf70f41142c4cfbc9d1e4f29ef8d11d9320b38a4c11dcef85028a48d314a84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.0858",
    "kind": "arxiv",
    "version": 3
  }
}