Pith Number

pith:7URIDG52

pith:2017:7URIDG52BXE36UAJSU7A3DBJDP

not attested not anchored not stored refs pending

$4$-dimensional almost-K\"ahler Lie algebras of constant Hermitian holomorphic sectional curvature are K\"ahler

Luigi Vezzoni, Mehdi Lejmi

arxiv:1709.09139 v1 · 2017-09-26 · 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{7URIDG52BXE36UAJSU7A3DBJDP}

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	2026-05-18T00:34:21.073961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd22819bba0dc9bf5009953e0d8c291becc19447f7e070b8e44fcaefbd85c428

Aliases

arxiv: 1709.09139 · arxiv_version: 1709.09139v1 · doi: 10.48550/arxiv.1709.09139 · pith_short_12: 7URIDG52BXE3 · pith_short_16: 7URIDG52BXE36UAJ · pith_short_8: 7URIDG52

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/7URIDG52BXE36UAJSU7A3DBJDP \
  | 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: fd22819bba0dc9bf5009953e0d8c291becc19447f7e070b8e44fcaefbd85c428

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d897033d8f3d5134633ec25a001272b5d49194c73b84f96d4ff52bbf7499924a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-09-26T17:23:40Z",
    "title_canon_sha256": "b6b903f7e4c76ff8f2b61fdfae0acfd64d8ddcf73611a652e6cac177b0f7c181"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.09139",
    "kind": "arxiv",
    "version": 1
  }
}