Pith Number

pith:Q6EXC72H

pith:2019:Q6EXC72HYKGKGEHTEFK7BGYY5G

not attested not anchored not stored refs pending

Effects of Spatial Curvature on the $f(R)$ Gravity Phase Space: no Inflationary Attractor?

S.D Odintsov, V.K. Oikonomou

arxiv:1902.01422 v1 · 2019-02-04 · 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{Q6EXC72HYKGKGEHTEFK7BGYY5G}

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

Classical and Loop Quantum Cosmology of Interacting Dark Energy: A Dynamical System Analysis with Superfluid Dark Matter and Dust Matter

Receipt and verification

First computed	2026-05-17T23:45:30.293495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8789717f47c28ca310f32155f09b18e98d914ec5db1a6f20e7d6c1bc0cf51370

Aliases

arxiv: 1902.01422 · arxiv_version: 1902.01422v1 · doi: 10.48550/arxiv.1902.01422 · pith_short_12: Q6EXC72HYKGK · pith_short_16: Q6EXC72HYKGKGEHT · pith_short_8: Q6EXC72H

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/Q6EXC72HYKGKGEHTEFK7BGYY5G \
  | 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: 8789717f47c28ca310f32155f09b18e98d914ec5db1a6f20e7d6c1bc0cf51370

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "431931c3b6adfed29eb6e80b897e69d88d5d2a1c715ff9bd7ea947150b7ae4e3",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-02-04T19:02:21Z",
    "title_canon_sha256": "417a6d65d0a3e8f402bf9c0d9996993c6b1a2249dd4a311bb15ad6c8d5141fa1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01422",
    "kind": "arxiv",
    "version": 1
  }
}