Pith Number

pith:H3MEYWRC

pith:2012:H3MEYWRCX4W5XRLDYX6VBLW6Z7

not attested not anchored not stored refs pending

Entropy increase during physical processes for black holes in Lanczos-Lovelock gravity

Sanved Kolekar, Sudipta Sarkar, T. Padmanabhan

arxiv:1201.2947 v4 · 2012-01-13 · 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{H3MEYWRCX4W5XRLDYX6VBLW6Z7}

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	2026-05-18T03:32:31.900632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ed84c5a22bf2ddbc563c5fd50aedecffaca29b1f24e2ec56532cb69810eda80

Aliases

arxiv: 1201.2947 · arxiv_version: 1201.2947v4 · doi: 10.48550/arxiv.1201.2947 · pith_short_12: H3MEYWRCX4W5 · pith_short_16: H3MEYWRCX4W5XRLD · pith_short_8: H3MEYWRC

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/H3MEYWRCX4W5XRLDYX6VBLW6Z7 \
  | 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: 3ed84c5a22bf2ddbc563c5fd50aedecffaca29b1f24e2ec56532cb69810eda80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cd13c834a0416bccd7c264c141dc02e067a755fcaaf259252c9d12dcde42e1e",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-01-13T21:00:15Z",
    "title_canon_sha256": "329ae098852bac877b86fb23c3dd3b0ce5177411e9c7897a23763a69f3aa593c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2947",
    "kind": "arxiv",
    "version": 4
  }
}