Pith Number

pith:ENDP47RW

pith:2010:ENDP47RW5E3KCNRMCASAPQXT6O

not attested not anchored not stored refs pending

On thermodynamics second law in the modified Gauss Bonnet gravity

H. Mohseni Sadjadi

arxiv:1009.1839 v2 · 2010-09-09 · 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{ENDP47RW5E3KCNRMCASAPQXT6O}

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	2026-05-18T04:21:13.644966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2346fe7e36e936a1362c102407c2f3f38fdcb36aa1a06b04047cea74d5984aa8

Aliases

arxiv: 1009.1839 · arxiv_version: 1009.1839v2 · doi: 10.48550/arxiv.1009.1839 · pith_short_12: ENDP47RW5E3K · pith_short_16: ENDP47RW5E3KCNRM · pith_short_8: ENDP47RW

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/ENDP47RW5E3KCNRMCASAPQXT6O \
  | 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: 2346fe7e36e936a1362c102407c2f3f38fdcb36aa1a06b04047cea74d5984aa8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49feb8e070d5ce7fc6005eacc08d7701bd161e2c8aae129e2c349910455f90dc",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-09-09T18:07:10Z",
    "title_canon_sha256": "1e1064e96bf2473b09c5717e03ddd67bf85de71d1f01575bb6b052a6c529a279"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1839",
    "kind": "arxiv",
    "version": 2
  }
}