Pith Number

pith:EH2MPMRX

pith:2024:EH2MPMRX4RKZGDQSFMAQE6FWTY

not attested not anchored not stored refs pending

Recovering semiclassical Einstein's equation using generalized entropy

Naman Kumar

arxiv:2404.16912 v2 · 2024-04-25 · gr-qc · 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{EH2MPMRX4RKZGDQSFMAQE6FWTY}

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.

Cited by

1 paper in Pith

Semi-classical spacetime thermodynamics

Receipt and verification

First computed	2026-07-05T11:11:31.952449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21f4c7b237e455930e122b010278b69e07b2074dc3d67ee3d6f2b9c6aeba8978

Aliases

arxiv: 2404.16912 · arxiv_version: 2404.16912v2 · doi: 10.48550/arxiv.2404.16912 · pith_short_12: EH2MPMRX4RKZ · pith_short_16: EH2MPMRX4RKZGDQS · pith_short_8: EH2MPMRX

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/EH2MPMRX4RKZGDQSFMAQE6FWTY \
  | 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: 21f4c7b237e455930e122b010278b69e07b2074dc3d67ee3d6f2b9c6aeba8978

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f7af3f76cfbec77fc4917d1b5508acacf46f52292c85306c6b5bea35c2bc6ed",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2024-04-25T14:22:34Z",
    "title_canon_sha256": "312414254cc5b38c32e09cb25ce1c2d6725c1d5f716a0956edd7363d8df54b52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.16912",
    "kind": "arxiv",
    "version": 2
  }
}