Pith Number

pith:LG5L7XIK

pith:2010:LG5L7XIKL4FW3B4N6V3SJ5CMQ7

not attested not anchored not stored refs pending

Cosmological entropy and generalized second law of thermodynamics in $F(R,G)$ theory of gravity

H. Mohseni Sadjadi

arxiv:1009.2941 v2 · 2010-09-15 · 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{LG5L7XIKL4FW3B4N6V3SJ5CMQ7}

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	2026-05-18T04:31:32.265449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59babfdd0a5f0b6d878df57724f44c87dfb002c4284fc445dfb457da31c28eb3

Aliases

arxiv: 1009.2941 · arxiv_version: 1009.2941v2 · doi: 10.48550/arxiv.1009.2941 · pith_short_12: LG5L7XIKL4FW · pith_short_16: LG5L7XIKL4FW3B4N · pith_short_8: LG5L7XIK

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/LG5L7XIKL4FW3B4N6V3SJ5CMQ7 \
  | 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: 59babfdd0a5f0b6d878df57724f44c87dfb002c4284fc445dfb457da31c28eb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a376ed0a5dec26c33000942effa905ab446de8c66ad2c8b32b3d876f316e422",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-09-15T14:37:04Z",
    "title_canon_sha256": "ec37ce0be4308d91f79414f4e71053a36e8a5c078dca31a90ae47d8ba2928921"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.2941",
    "kind": "arxiv",
    "version": 2
  }
}