Pith Number

pith:MZIQRQZY

pith:2025:MZIQRQZYGJNJTUBPWKPHJX3DY7

not attested not anchored not stored refs pending

General Einstein-Cartan quadratic gravity with derivative couplings

Kyriakos Tamvakis, Theodoros Katsoulas

arxiv:2502.16980 v2 · 2025-02-24 · 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{MZIQRQZYGJNJTUBPWKPHJX3DY7}

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

Reheating in geometric Weyl-invariant Einstein-Cartan gravity

Receipt and verification

First computed	2026-07-05T11:23:23.627958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

665108c338325a99d02fb29e74df63c7c92a800831cc8349a22f3bffe3ddf811

Aliases

arxiv: 2502.16980 · arxiv_version: 2502.16980v2 · doi: 10.48550/arxiv.2502.16980 · pith_short_12: MZIQRQZYGJNJ · pith_short_16: MZIQRQZYGJNJTUBP · pith_short_8: MZIQRQZY

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/MZIQRQZYGJNJTUBPWKPHJX3DY7 \
  | 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: 665108c338325a99d02fb29e74df63c7c92a800831cc8349a22f3bffe3ddf811

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdd2eff22d08b12d262366965a375f9d212181335d43927d502bd2966683f4f0",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-02-24T09:09:19Z",
    "title_canon_sha256": "0a7811f87969437d488626ee712a9c16c24abd396e66d7f7cc341bf4bfbe6e8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.16980",
    "kind": "arxiv",
    "version": 2
  }
}