Pith Number

pith:2NZRXFYL

pith:2009:2NZRXFYLA26GQTVU4UPOH5AJD3

not attested not anchored not stored refs pending

Quaternionic Kaehler manifolds with Hermitian and Norden metrics

Mancho Manev

arxiv:0906.5052 v1 · 2009-06-27 · 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{2NZRXFYLA26GQTVU4UPOH5AJD3}

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	2026-05-18T02:54:21.945734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3731b970b06bc684eb4e51ee3f4091ed583bb4b114724f1ddc4c0100a333747

Aliases

arxiv: 0906.5052 · arxiv_version: 0906.5052v1 · doi: 10.48550/arxiv.0906.5052 · pith_short_12: 2NZRXFYLA26G · pith_short_16: 2NZRXFYLA26GQTVU · pith_short_8: 2NZRXFYL

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/2NZRXFYLA26GQTVU4UPOH5AJD3 \
  | 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: d3731b970b06bc684eb4e51ee3f4091ed583bb4b114724f1ddc4c0100a333747

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec4062eb1159927f53c44d96b0faf9859bc920196bc0c10d91f03cbf1fbe86d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-06-27T09:08:15Z",
    "title_canon_sha256": "1af3d90ddfea3665bf1b06ed2f9a99124bf02070964c08334e4eb92062dcdf35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.5052",
    "kind": "arxiv",
    "version": 1
  }
}