pith. sign in
Pith Number

pith:HPYEEPZ2

pith:2013:HPYEEPZ2BOACU3DYO47FQXYNEW
not attested not anchored not stored refs pending

The holographic bound in the scalar-tensor and $f(R)$ gravities

J. T. Firouzjaee

arxiv:1301.2769 v2 · 2013-01-13 · gr-qc · astro-ph.CO · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HPYEEPZ2BOACU3DYO47FQXYNEW}

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 2026-05-18T01:52:12.912374Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3bf0423f3a0b802a6c78773e585f0d2587fccbe4f7374df00552cbf95bc0bc12

Aliases

arxiv: 1301.2769 · arxiv_version: 1301.2769v2 · doi: 10.48550/arxiv.1301.2769 · pith_short_12: HPYEEPZ2BOAC · pith_short_16: HPYEEPZ2BOACU3DY · pith_short_8: HPYEEPZ2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HPYEEPZ2BOACU3DYO47FQXYNEW \
  | 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: 3bf0423f3a0b802a6c78773e585f0d2587fccbe4f7374df00552cbf95bc0bc12
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "881d476e3a0ab30306126e9246432dae061efc392bbf607d2ab5097dfd82d465",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-01-13T12:32:06Z",
    "title_canon_sha256": "e9bad60b57df1f893da73e7e3856df9ac9e797a34c93573f7aa5841f42a731d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2769",
    "kind": "arxiv",
    "version": 2
  }
}