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Pith Number

pith:4AJKFV4A

pith:2017:4AJKFV4APSF7V4EIBALPHR3PMH
not attested not anchored not stored refs pending

Towards a theory of nonlinear gravitational waves: a systematic approach to nonlinear gravitational perturbations in vacuum

Andrzej Rostworowski

arxiv:1705.02258 v2 · 2017-05-05 · gr-qc · hep-th · math-ph · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4AJKFV4APSF7V4EIBALPHR3PMH}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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 2026-05-18T00:27:13.553597Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e012a2d7807c8bfaf0880816f3c76f61d48c67214fba9b8fa75f2a6d30c5764c

Aliases

arxiv: 1705.02258 · arxiv_version: 1705.02258v2 · doi: 10.48550/arxiv.1705.02258 · pith_short_12: 4AJKFV4APSF7 · pith_short_16: 4AJKFV4APSF7V4EI · pith_short_8: 4AJKFV4A
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4AJKFV4APSF7V4EIBALPHR3PMH \
  | 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: e012a2d7807c8bfaf0880816f3c76f61d48c67214fba9b8fa75f2a6d30c5764c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ae8576895aa3a44517a915f431e02a1489d29dcec6679ddca5e351eeae19297a",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-05-05T15:20:18Z",
    "title_canon_sha256": "407a4e5a681a33f8fc54f32abe1940f326a93d379239a7add2ed0976a4831cf9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02258",
    "kind": "arxiv",
    "version": 2
  }
}