Pith Number

pith:DPMEGKXH

pith:2016:DPMEGKXHA7FGTAZJTNDGUUCOS5

not attested not anchored not stored refs pending

Orbifold slope-rational connectedness

Frederic Campana

arxiv:1607.07829 v2 · 2016-07-26 · 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{DPMEGKXHA7FGTAZJTNDGUUCOS5}

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.

Cited by

1 paper in Pith

Simply connectedness of K\"ahler and Riemannian manifolds via spectral estimates (with an appendix by Shiyu Zhang)

Receipt and verification

First computed	2026-05-18T00:27:22.204940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bd8432ae707ca6983299b466a504e977ac138e74ff064f0a069928ead6e81a7

Aliases

arxiv: 1607.07829 · arxiv_version: 1607.07829v2 · doi: 10.48550/arxiv.1607.07829 · pith_short_12: DPMEGKXHA7FG · pith_short_16: DPMEGKXHA7FGTAZJ · pith_short_8: DPMEGKXH

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/DPMEGKXHA7FGTAZJTNDGUUCOS5 \
  | 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: 1bd8432ae707ca6983299b466a504e977ac138e74ff064f0a069928ead6e81a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0836e0e4bdc77cd6c3c83e5551f6b85c8bbc8859bc3bf81a38f1213c46eb3be8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-07-26T18:23:09Z",
    "title_canon_sha256": "1817e7ce2e4578933ef9b94233ea0a835c350e71f5b29b92e6168983b3178f35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.07829",
    "kind": "arxiv",
    "version": 2
  }
}