Pith Number

pith:THWXXD2F

pith:1993:THWXXD2FJDBR573ZQT2QH2PVBD

not attested not anchored not stored refs pending

Action functionals for relativistic perfect fluids

David Brown

arxiv:gr-qc/9304026 v1 · 1993-04-19 · 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{THWXXD2FJDBR573ZQT2QH2PVBD}

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

5 papers in Pith

A solid unification of the dark sector

Perfect fluids revisited: an action principle approach

Dynamics of the $N$-body system in energy-momentum squared gravity: II. Existence of a Self-Acceleration

Imperfect dark matter with higher derivatives

Gravitational baryogenesis beyond the spectator approximation

Receipt and verification

First computed	2026-07-04T17:25:34.817151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99ed7b8f4548c31eff7984f503e9f508c3ca3dcd50a40e22af44c6d2176a29a5

Aliases

arxiv: gr-qc/9304026 · arxiv_version: gr-qc/9304026v1 · doi: 10.48550/arxiv.gr-qc/9304026 · pith_short_12: THWXXD2FJDBR · pith_short_16: THWXXD2FJDBR573Z · pith_short_8: THWXXD2F

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/THWXXD2FJDBR573ZQT2QH2PVBD \
  | 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: 99ed7b8f4548c31eff7984f503e9f508c3ca3dcd50a40e22af44c6d2176a29a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c19d86409befe06f0cd9086b3d102c4ed8a2cff5e04b952d96e2f8868630a36a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1993-04-19T19:44:44Z",
    "title_canon_sha256": "b0ecc4bea45aacadca1761388ac02c7446309eddeaa782058259625a9fe589ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9304026",
    "kind": "arxiv",
    "version": 1
  }
}