Pith Number

pith:5LUXPXF2

pith:2010:5LUXPXF2H3APP36S4HKVOPDP7T

not attested not anchored not stored refs pending

Boundary Term in Metric f(R) Gravity: Field Equations in the Metric Formalism

Alejandro Guarnizo, Juan M. Tejeiro, Leonardo Castaneda

arxiv:1002.0617 v4 · 2010-02-03 · gr-qc · hep-th

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

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

Jacobson's thermodynamic approach to classical gravity applied to non-Riemannian geometries: remarks on the simplicity of Nature

Receipt and verification

First computed	2026-05-18T04:12:02.429072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eae977dcba3ec0f7efd2e1d5573c6ffcd34671116c55aa0b7b5f9a2b37688398

Aliases

arxiv: 1002.0617 · arxiv_version: 1002.0617v4 · doi: 10.48550/arxiv.1002.0617 · pith_short_12: 5LUXPXF2H3AP · pith_short_16: 5LUXPXF2H3APP36S · pith_short_8: 5LUXPXF2

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/5LUXPXF2H3APP36S4HKVOPDP7T \
  | 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: eae977dcba3ec0f7efd2e1d5573c6ffcd34671116c55aa0b7b5f9a2b37688398

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98d7b04febe40786f7e8bad8d0a6ccbe19ee56deee44b9b0c29cdcc117e0d93e",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-02-03T00:27:36Z",
    "title_canon_sha256": "0d17935ee4f596350abc8865f5542b0fbbea924106c52c3ab961e14172dd658b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0617",
    "kind": "arxiv",
    "version": 4
  }
}