Pith Number

pith:76NN5NDE

pith:2017:76NN5NDETZ6AGGZSNJAWIB2PVB

not attested not anchored not stored refs pending

Gravitational Effective Action at Second Order in Curvature and Gravitational Waves

Daniel Pryer, Salvatore Capozziello, Xavier Calmet

arxiv:1708.08253 v1 · 2017-08-28 · hep-th · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{76NN5NDETZ6AGGZSNJAWIB2PVB}

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	2026-05-18T00:33:13.509521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff9adeb4649e7c031b326a4164074fa848c82ea8491fb432d912fb612a2d177f

Aliases

arxiv: 1708.08253 · arxiv_version: 1708.08253v1 · doi: 10.48550/arxiv.1708.08253 · pith_short_12: 76NN5NDETZ6A · pith_short_16: 76NN5NDETZ6AGGZS · pith_short_8: 76NN5NDE

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/76NN5NDETZ6AGGZSNJAWIB2PVB \
  | 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: ff9adeb4649e7c031b326a4164074fa848c82ea8491fb432d912fb612a2d177f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8e2cec6dacf866a88d275f22e12d3ceb893357adbcf67609bc146aafbfa4350",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2017-08-28T09:44:42Z",
    "title_canon_sha256": "7a1f6f5e00fabc3e80a3bc88746e539bea94b6701d8c8b76e3271cc9370e37a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.08253",
    "kind": "arxiv",
    "version": 1
  }
}