pith. sign in
Pith Number

pith:R5W34IZK

pith:2015:R5W34IZKSVQK3CZDR2RCONCIR4
not attested not anchored not stored refs pending

A viable logarithmic f(R) model for inflation

M. Amin, M. Salah, S. Khalil

arxiv:1512.09324 v2 · 2015-12-31 · hep-th · gr-qc · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{R5W34IZKSVQK3CZDR2RCONCIR4}

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.
Receipt and verification
First computed 2026-05-18T00:03:20.087770Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8f6dbe232a9560ad8b238ea22734488f266b8bad4ce47a2811aa5edeb15bbee3

Aliases

arxiv: 1512.09324 · arxiv_version: 1512.09324v2 · doi: 10.48550/arxiv.1512.09324 · pith_short_12: R5W34IZKSVQK · pith_short_16: R5W34IZKSVQK3CZD · pith_short_8: R5W34IZK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/R5W34IZKSVQK3CZDR2RCONCIR4 \
  | 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: 8f6dbe232a9560ad8b238ea22734488f266b8bad4ce47a2811aa5edeb15bbee3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0d2cb887f49bc9ff3c4d56ea613cd9073c3e9ea8104cfa1876d4e932604edc70",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-12-31T16:55:34Z",
    "title_canon_sha256": "239823883bf1e664a5365e98312b8b0d7b5e1e33f70aa2e353a93acaf47196d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.09324",
    "kind": "arxiv",
    "version": 2
  }
}