Pith Number

pith:4NOH57IH

pith:1995:4NOH57IHJSQGUDME4KFEWCX6TY

not attested not anchored not stored refs pending

Thermodynamics of Spacetime: The Einstein Equation of State

Ted Jacobson

arxiv:gr-qc/9504004 v2 · 1995-04-04 · 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{4NOH57IHJSQGUDME4KFEWCX6TY}

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

19 papers in Pith

Electromagnetism from relativistic fluid dynamics

Landauer entropy of spacetime

GR from RG: Gravity Is Induced From Renormalization Group Flow In The Infrared

Constraints on Kaniadakis Cosmology from Starobinsky Inflation and Primordial Tensor Perturbations

Recovering Einstein's equation from local correlations with quantum reference frames

Receipt and verification

First computed	2026-05-18T04:38:06.897451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e35c7efd074ca06a0d84e28a4b0afe9e2b19ebbcc9ec9fbad4f658149c81411e

Aliases

arxiv: gr-qc/9504004 · arxiv_version: gr-qc/9504004v2 · doi: 10.48550/arxiv.gr-qc/9504004 · pith_short_12: 4NOH57IHJSQG · pith_short_16: 4NOH57IHJSQGUDME · pith_short_8: 4NOH57IH

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/4NOH57IHJSQGUDME4KFEWCX6TY \
  | 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: e35c7efd074ca06a0d84e28a4b0afe9e2b19ebbcc9ec9fbad4f658149c81411e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1eec182d1ebd87c29069527a5885ba43fea04a72b0b0ba343b46b8de968db391",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1995-04-04T18:54:14Z",
    "title_canon_sha256": "fe26cb14339476b9f56d53bed8ec25d1008da8a872b603b9dbdb02b9c6b71c6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9504004",
    "kind": "arxiv",
    "version": 2
  }
}