Pith Number

pith:M7B5CW5F

pith:2020:M7B5CW5FW6A23OELC3BO45TEAU

not attested not anchored not stored refs pending

The gauge symmetries of f(R) gravity with torsion in the Cartan formalism

Diego Gonzalez, Merced Montesinos, Rodrigo Romero

arxiv:2001.08759 v1 · 2020-01-23 · gr-qc · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M7B5CW5FW6A23OELC3BO45TEAU}

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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

Neutron star in Logarithmic model of Cartan $F(R)$ gravity

Receipt and verification

First computed	2026-07-05T00:35:35.369737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67c3d15ba5b781adb88b16c2ee766405317d3b79238801cba56b781c7776b4d7

Aliases

arxiv: 2001.08759 · arxiv_version: 2001.08759v1 · doi: 10.48550/arxiv.2001.08759 · pith_short_12: M7B5CW5FW6A2 · pith_short_16: M7B5CW5FW6A23OEL · pith_short_8: M7B5CW5F

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/M7B5CW5FW6A23OELC3BO45TEAU \
  | 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: 67c3d15ba5b781adb88b16c2ee766405317d3b79238801cba56b781c7776b4d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11cc5ffe1a242b27f06c5e618f7d440a6eb093394f3e56be7b0c70dbcd4b82c0",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-01-23T19:00:10Z",
    "title_canon_sha256": "a6e09a66409354e3fc37a439e046b57c712462aa6a0f08dc237f07dfba24b38d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.08759",
    "kind": "arxiv",
    "version": 1
  }
}