Pith Number

pith:Z7ULNFSE

pith:2011:Z7ULNFSE52HYLW2ETRWXWXBAG5

not attested not anchored not stored refs pending

Classes of exact static spheroidal Einstein-Maxwell solutions

S.M. Kozyrev

arxiv:1102.5651 v1 · 2011-02-28 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z7ULNFSE52HYLW2ETRWXWXBAG5}

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	2026-05-18T04:27:46.364791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfe8b69644ee8f85db449c6d7b5c2037417a3fce3d903b767e3774f3c5027e92

Aliases

arxiv: 1102.5651 · arxiv_version: 1102.5651v1 · doi: 10.48550/arxiv.1102.5651 · pith_short_12: Z7ULNFSE52HY · pith_short_16: Z7ULNFSE52HYLW2E · pith_short_8: Z7ULNFSE

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/Z7ULNFSE52HYLW2ETRWXWXBAG5 \
  | 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: cfe8b69644ee8f85db449c6d7b5c2037417a3fce3d903b767e3774f3c5027e92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9624a20307be0feed9530564b81ad0c4ed755ef49572d566857e8a0323976d7d",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-02-28T12:53:32Z",
    "title_canon_sha256": "63aff012e282bacc540c52ca1cab15a0b863754e33aa9f46eb20d0068538daf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.5651",
    "kind": "arxiv",
    "version": 1
  }
}