Pith Number

pith:6GEPY3X4

pith:2008:6GEPY3X4WYEKGQRGQGYBUXWQU2

not attested not anchored not stored refs pending

Quasi-Kaehler manifolds with a pair of Norden metrics

Dimitar Mekerov, Kostadin Gribachev, Mancho Manev

arxiv:0804.2797 v1 · 2008-04-17 · 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{6GEPY3X4WYEKGQRGQGYBUXWQU2}

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	2026-05-18T03:56:23.152355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f188fc6efcb608a3422681b01a5ed0a6a1cc340a513d3fa335a8455288c1c292

Aliases

arxiv: 0804.2797 · arxiv_version: 0804.2797v1 · doi: 10.48550/arxiv.0804.2797 · pith_short_12: 6GEPY3X4WYEK · pith_short_16: 6GEPY3X4WYEKGQRG · pith_short_8: 6GEPY3X4

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/6GEPY3X4WYEKGQRGQGYBUXWQU2 \
  | 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: f188fc6efcb608a3422681b01a5ed0a6a1cc340a513d3fa335a8455288c1c292

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c82136ecbb49f5f03d89172fad5e277e9ae4ab6ee435227a3e45f11a9b121f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2008-04-17T13:25:02Z",
    "title_canon_sha256": "9de0eb39d6b25b8f8ddff799e108b44b19a5f978cb6b21726ed44796e11d9a14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.2797",
    "kind": "arxiv",
    "version": 1
  }
}