Pith Number

pith:CPAQ3LVC

pith:2012:CPAQ3LVCLBER6UBKPNCZBEE2MS

not attested not anchored not stored refs pending

Holomorphic flexibility properties of compact complex surfaces

Finnur Larusson, Franc Forstneric

arxiv:1207.4838 v3 · 2012-07-20 · math.CV · 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{CPAQ3LVCLBER6UBKPNCZBEE2MS}

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	2026-05-18T02:44:00.697101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13c10daea258491f502a7b4590909a648d5e14ddb50ca627f1d0c808bcb7f42e

Aliases

arxiv: 1207.4838 · arxiv_version: 1207.4838v3 · doi: 10.48550/arxiv.1207.4838 · pith_short_12: CPAQ3LVCLBER · pith_short_16: CPAQ3LVCLBER6UBK · pith_short_8: CPAQ3LVC

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/CPAQ3LVCLBER6UBKPNCZBEE2MS \
  | 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: 13c10daea258491f502a7b4590909a648d5e14ddb50ca627f1d0c808bcb7f42e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5ad6bbc9bd9559e709ca5f376ebe10b43e0de4c214551b95171d9f555b252fe",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2012-07-20T02:07:16Z",
    "title_canon_sha256": "9d31d28e676e7821d7fbc19ff243816f840419447c3226c81c7640795222827e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4838",
    "kind": "arxiv",
    "version": 3
  }
}