Pith Number

pith:4LJT2KRN

pith:2009:4LJT2KRN72A7ZZ4PIMQPZTBZK7

not attested not anchored not stored refs pending

Quasi-K\"ahler Chern-flat manifolds and complex 2-step nilpotent Lie algebras

Antonio J. Di Scala, Jorge Lauret, Luigi Vezzoni

arxiv:0911.5655 v3 · 2009-11-30 · 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{4LJT2KRN72A7ZZ4PIMQPZTBZK7}

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	2026-05-18T04:31:52.442855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2d33d2a2dfe81fce78f4320fccc3957ff7be0f2b6f028b5c653960195d01765

Aliases

arxiv: 0911.5655 · arxiv_version: 0911.5655v3 · doi: 10.48550/arxiv.0911.5655 · pith_short_12: 4LJT2KRN72A7 · pith_short_16: 4LJT2KRN72A7ZZ4P · pith_short_8: 4LJT2KRN

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/4LJT2KRN72A7ZZ4PIMQPZTBZK7 \
  | 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: e2d33d2a2dfe81fce78f4320fccc3957ff7be0f2b6f028b5c653960195d01765

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ef922f27fd8d7cd4edcf82d760b4fc7941141413f7406e9e80f210b655108e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-11-30T14:27:25Z",
    "title_canon_sha256": "d13e26c783efae9a6954b49b561c6770c82b6c0b2b05471deed5a436d0e3c95d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.5655",
    "kind": "arxiv",
    "version": 3
  }
}