Pith Number

pith:767YOFH7

pith:2000:767YOFH7XT43BJBSPVWRQN7VZT

not attested not anchored not stored refs pending

A splitting theorem for Kahler manifolds whose Ricci tensors have constant eigenvalues

Andrei Moroianu, Tedi Draghici, Vestislav Apostolov

arxiv:math/0007122 v3 · 2000-07-20 · 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{767YOFH7XT43BJBSPVWRQN7VZT}

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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	2026-05-17T23:56:49.294031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffbf8714ffbcf9b0a4327d6d1837f5ccfe6c1d3417a7ad2a7027c136038c0213

Aliases

arxiv: math/0007122 · arxiv_version: math/0007122v3 · doi: 10.48550/arxiv.math/0007122 · pith_short_12: 767YOFH7XT43 · pith_short_16: 767YOFH7XT43BJBS · pith_short_8: 767YOFH7

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/767YOFH7XT43BJBSPVWRQN7VZT \
  | 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: ffbf8714ffbcf9b0a4327d6d1837f5ccfe6c1d3417a7ad2a7027c136038c0213

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56b57dfa49058d7db082db649a4456bf61bd8c7c5c7599cff28aaca128b4c9ba",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "2000-07-20T00:52:01Z",
    "title_canon_sha256": "5b6ff1e16c0b5acfccba22a12f2d821b09378b8b966a7b4828c1a3d15e66f6a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0007122",
    "kind": "arxiv",
    "version": 3
  }
}