Pith Number

pith:PYJ7CYKB

pith:2014:PYJ7CYKBOXT27KLAP2ZI7W7KPJ

not attested not anchored not stored refs pending

Rational connectedness and order of non-degenerate meromorphic maps from\ ${\bf C}^n$

Fr\'ed\'eric Campana, J\"org Winkelmann

arxiv:1412.4381 v1 · 2014-12-14 · math.AG · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PYJ7CYKBOXT27KLAP2ZI7W7KPJ}

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	2026-05-18T02:31:19.366392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e13f1614175e7afa9607eb28fdbea7a494a3e98f12af50cd2880a26fdfdedaf

Aliases

arxiv: 1412.4381 · arxiv_version: 1412.4381v1 · doi: 10.48550/arxiv.1412.4381 · pith_short_12: PYJ7CYKBOXT2 · pith_short_16: PYJ7CYKBOXT27KLA · pith_short_8: PYJ7CYKB

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/PYJ7CYKBOXT27KLAP2ZI7W7KPJ \
  | 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: 7e13f1614175e7afa9607eb28fdbea7a494a3e98f12af50cd2880a26fdfdedaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad1196dddab5370bb10c9befb620f76ad389510d082d8379cab62a3bdd6010cf",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-12-14T17:22:49Z",
    "title_canon_sha256": "bc47de2e79c769c06d3ab76d10def6205eb28bd21e6471ab36620f284864f5c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4381",
    "kind": "arxiv",
    "version": 1
  }
}