Pith Number

pith:4HINDPUY

pith:2008:4HINDPUY6CV2EX7CNNROSSZZAL

not attested not anchored not stored refs pending

The Einstein-Maxwell Equations, Extremal Kahler Metrics, and Seiberg-Witten Theory

Claude LeBrun

arxiv:0803.3734 v2 · 2008-03-26 · math.DG · gr-qc · math.AG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4HINDPUY6CV2EX7CNNROSSZZAL}

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.

Cited by

1 paper in Pith

NUTs, Bolts, and Spindles

Receipt and verification

First computed	2026-07-04T15:11:26.470585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1d0d1be98f0aba25fe26b62e94b3902fb2b3f4df2af319c04d36f25e46e5d96

Aliases

arxiv: 0803.3734 · arxiv_version: 0803.3734v2 · doi: 10.48550/arxiv.0803.3734 · pith_short_12: 4HINDPUY6CV2 · pith_short_16: 4HINDPUY6CV2EX7C · pith_short_8: 4HINDPUY

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/4HINDPUY6CV2EX7CNNROSSZZAL \
  | 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: e1d0d1be98f0aba25fe26b62e94b3902fb2b3f4df2af319c04d36f25e46e5d96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c236254b91f4a6aa00b8a31057947c0a6aa428313201e60ce4ab03987b614fdd",
    "cross_cats_sorted": [
      "gr-qc",
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2008-03-26T14:29:57Z",
    "title_canon_sha256": "47f73eda4d80e7beed162f1578fc7a2c447fa07646ef93630a0597d073c9a5c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.3734",
    "kind": "arxiv",
    "version": 2
  }
}