Pith Number

pith:K2YBMNWI

pith:2013:K2YBMNWIM6HROBIA3RWVBRGC2Q

not attested not anchored not stored refs pending

The universe evolution in exponential $F(R)$-gravity

(2) ICE/CSIC-IEEC, 3, (3) ICREA, 4, (4) TSPU, 5), 6), 6) ((1) KMI, (6) Department of General & Theoretical Physics, A. Lopez-Revelles (2, Astana, Barcelona, Bellaterram, Eurasian National University, Italia, Japan, Kazakhstan), K. Bamba (1), L. Sebastiani (5, Nagoya, Nagoya University, R. Myrzakulov (6), Russia (5) Dipartimento di Fisica, S.D. Odintsov (2, Spain, Tomsk, Universit`a di Trento

arxiv:1301.3049 v1 · 2013-01-14 · gr-qc · astro-ph.CO · hep-th

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

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.

Receipt and verification

First computed	2026-05-18T01:32:43.996382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56b01636c8678f170500dc6d50c4c2d412a7ee05ca849034a9f4a913f3fd63e8

Aliases

arxiv: 1301.3049 · arxiv_version: 1301.3049v1 · doi: 10.48550/arxiv.1301.3049 · pith_short_12: K2YBMNWIM6HR · pith_short_16: K2YBMNWIM6HROBIA · pith_short_8: K2YBMNWI

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/K2YBMNWIM6HROBIA3RWVBRGC2Q \
  | 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: 56b01636c8678f170500dc6d50c4c2d412a7ee05ca849034a9f4a913f3fd63e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cd68aa128e9b0493581594c79eafd6eac166fd6bfa67026497404bc989607b3",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-01-14T16:46:27Z",
    "title_canon_sha256": "0763a27c351756db0a303bda1509903a57e724f52cf45eacb37630a2db9058e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.3049",
    "kind": "arxiv",
    "version": 1
  }
}