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Pith Number

pith:N4E52TOZ

pith:2012:N4E52TOZ5Z4R4LHSKQA3QVDMJ4
not attested not anchored not stored refs pending

A Vacuum Solution with Torsion in Higher-Derivative Gravity

Kouzou Nishida

arxiv:1207.0200 v2 · 2012-07-01 · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{N4E52TOZ5Z4R4LHSKQA3QVDMJ4}

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 2026-05-18T03:46:30.696280Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6f09dd4dd9ee791e2cf25401b8546c4f1d2ea4679a7915bbf2a3ecaef823217e

Aliases

arxiv: 1207.0200 · arxiv_version: 1207.0200v2 · doi: 10.48550/arxiv.1207.0200 · pith_short_12: N4E52TOZ5Z4R · pith_short_16: N4E52TOZ5Z4R4LHS · pith_short_8: N4E52TOZ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/N4E52TOZ5Z4R4LHSKQA3QVDMJ4 \
  | 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: 6f09dd4dd9ee791e2cf25401b8546c4f1d2ea4679a7915bbf2a3ecaef823217e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d73c69a6dcc631ffd876e8dd6f4ebd8ec0b2362fdfad654e6ccdf37d5aa257c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-07-01T12:07:16Z",
    "title_canon_sha256": "66b60af488af975b7f75bbedfdffe7191533a0f56057b2c085af1ef15ecfe22c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0200",
    "kind": "arxiv",
    "version": 2
  }
}