Pith Number

pith:DKEI52GH

pith:2021:DKEI52GHZB2JAYQJSRIY7HKWB5

not attested not anchored not stored refs pending

An entropy current and the second law in higher derivative theories of gravity

Anirban Dinda, Milan Patra, Nilay Kundu, Prateksh Dhivakar, Sayantani Bhattacharyya, Shuvayu Roy

arxiv:2105.06455 v2 · 2021-05-13 · hep-th · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DKEI52GHZB2JAYQJSRIY7HKWB5}

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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.

Cited by

4 papers in Pith

The entropy of black hole under second-order deviation from equilibrium

Trapped Surface as a Cosmic Censor

The entropy of black hole under second-order deviation from equilibrium

Entanglement Entropy and Thermodynamics of Dynamical Black Holes

Receipt and verification

First computed	2026-07-05T03:19:43.656722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a888ee8c7c87490620994518f9d560f4efadfb6112f36c0b0c3d3b40ff19740

Aliases

arxiv: 2105.06455 · arxiv_version: 2105.06455v2 · doi: 10.48550/arxiv.2105.06455 · pith_short_12: DKEI52GHZB2J · pith_short_16: DKEI52GHZB2JAYQJ · pith_short_8: DKEI52GH

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/DKEI52GHZB2JAYQJSRIY7HKWB5 \
  | 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: 1a888ee8c7c87490620994518f9d560f4efadfb6112f36c0b0c3d3b40ff19740

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a386737ffe8a15786b277d4570a0aee7359753fafc43ce07043397fc91761c91",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-05-13T17:53:59Z",
    "title_canon_sha256": "c687d554c688876d3c5435913a254370093cd259881a55f5eee60106a6c9fa41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.06455",
    "kind": "arxiv",
    "version": 2
  }
}