Pith Number

pith:7AW23DQN

pith:2020:7AW23DQN6TTBP5UQSG2CV4NLUD

not attested not anchored not stored refs pending

Anisotropic instability in a higher order gravity theory

Alexei A. Starobinsky, Antonio De Felice, Masroor C. Pookkillath

arxiv:2004.03912 v2 · 2020-04-08 · gr-qc · astro-ph.CO · 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{7AW23DQN6TTBP5UQSG2CV4NLUD}

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

2 papers in Pith

Effect of $R^2$ on the stability of de Sitter solution of the generalized Einsteinian cubic gravity

Cosmological higher-curvature gravities

Receipt and verification

First computed	2026-07-05T01:19:52.439943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f82dad8e0df4e617f69091b42af1aba0c6fef89f42a8dffb6c04cafe7ac13274

Aliases

arxiv: 2004.03912 · arxiv_version: 2004.03912v2 · doi: 10.48550/arxiv.2004.03912 · pith_short_12: 7AW23DQN6TTB · pith_short_16: 7AW23DQN6TTBP5UQ · pith_short_8: 7AW23DQN

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/7AW23DQN6TTBP5UQSG2CV4NLUD \
  | 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: f82dad8e0df4e617f69091b42af1aba0c6fef89f42a8dffb6c04cafe7ac13274

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "504596e6268cb04431a8f35758e34fc148ad55ae170f45272961bec8411597c9",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-04-08T09:53:09Z",
    "title_canon_sha256": "ca809bd22b07d5aeba7d327a019c3d7e0115ac41972068c773e73b47bce3e0fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.03912",
    "kind": "arxiv",
    "version": 2
  }
}