Pith Number

pith:OOVMLHCN

pith:2018:OOVMLHCN5IW26QN5JX6WOUAM3K

not attested not anchored not stored refs pending

Affine surfaces which are K\"ahler, para-K\"ahler, or nilpotent K\"ahler

E. Calvi\~no-Louzao, E. Garc\'ia-R\'io, I. Guti\'errez-Rodr\'iguez, P. Gilkey, R. V\'azquez-Lorenzo

arxiv:1801.08306 v1 · 2018-01-25 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OOVMLHCN5IW26QN5JX6WOUAM3K}

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	2026-05-18T00:25:06.580507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73aac59c4dea2daf41bd4dfd67500cdab40b8e029b0a563b7a317a9158deb57c

Aliases

arxiv: 1801.08306 · arxiv_version: 1801.08306v1 · doi: 10.48550/arxiv.1801.08306 · pith_short_12: OOVMLHCN5IW2 · pith_short_16: OOVMLHCN5IW26QN5 · pith_short_8: OOVMLHCN

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/OOVMLHCN5IW26QN5JX6WOUAM3K \
  | 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: 73aac59c4dea2daf41bd4dfd67500cdab40b8e029b0a563b7a317a9158deb57c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9099d1826b7a30a46dcdf7d9df704f0420b60d65532666c6848d34124945172",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-01-25T08:41:42Z",
    "title_canon_sha256": "1bf199c0d0d04e3b611e1b770ff64c190c78c7ae4926b73ddc853068eac05867"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08306",
    "kind": "arxiv",
    "version": 1
  }
}