Pith Number

pith:DXJVWCQO

pith:2018:DXJVWCQOZTE5MMZ7JZMBSUG6ZR

not attested not anchored not stored refs pending

The role of energy conditions in $f(R)$ cosmology

Salvatore Capozziello, Sergei D. Odintsov, Shin'ichi Nojiri

arxiv:1803.08815 v1 · 2018-03-23 · 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{DXJVWCQOZTE5MMZ7JZMBSUG6ZR}

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

Energy conditions of bouncing solutions in quadratic curvature gravity coupled with a scalar field

Receipt and verification

First computed	2026-05-18T00:16:25.197407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1dd35b0a0eccc9d6333f4e581950decc7f47ff2d584ef2f06222f77578677ca7

Aliases

arxiv: 1803.08815 · arxiv_version: 1803.08815v1 · doi: 10.48550/arxiv.1803.08815 · pith_short_12: DXJVWCQOZTE5 · pith_short_16: DXJVWCQOZTE5MMZ7 · pith_short_8: DXJVWCQO

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/DXJVWCQOZTE5MMZ7JZMBSUG6ZR \
  | 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: 1dd35b0a0eccc9d6333f4e581950decc7f47ff2d584ef2f06222f77578677ca7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "410973a20c39673a60d068dfe3d29c6c2be853ded6e802f4ae81f9a35797d345",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-03-23T14:30:03Z",
    "title_canon_sha256": "c1d693ad7560b7a85beaf9ebee16452970860d44d7cee3a810077fd86097445d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08815",
    "kind": "arxiv",
    "version": 1
  }
}