Pith Number

pith:QYUX436O

pith:2011:QYUX436OUB3XLR24XPA33T7ZHP

not attested not anchored not stored refs pending

Birkhoff's Theorem in Higher Derivative Theories of Gravity

Julio Oliva, Sourya Ray

arxiv:1104.1205 v2 · 2011-04-06 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QYUX436OUB3XLR24XPA33T7ZHP}

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

Dynamical Formation of Regular Black Holes

Receipt and verification

First computed	2026-05-18T04:12:11.839621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86297e6fcea07775c75cbbc1bdcff93bd10e67a969bc3865999ffe830ad0353f

Aliases

arxiv: 1104.1205 · arxiv_version: 1104.1205v2 · doi: 10.48550/arxiv.1104.1205 · pith_short_12: QYUX436OUB3X · pith_short_16: QYUX436OUB3XLR24 · pith_short_8: QYUX436O

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/QYUX436OUB3XLR24XPA33T7ZHP \
  | 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: 86297e6fcea07775c75cbbc1bdcff93bd10e67a969bc3865999ffe830ad0353f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4ca5fc34a33f048ab72ccf88935e7154c3868b6358d900e9bdcb5ab80321c98",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-04-06T22:19:24Z",
    "title_canon_sha256": "273525f32d10c6a44f1213eed760f3c3c770a9b21d4d8d34d2c5c6898d84ae3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1205",
    "kind": "arxiv",
    "version": 2
  }
}