Pith Number

pith:HOGMOLSF

pith:1994:HOGMOLSFXCO4XGHDDBTQIULWJC

not attested not anchored not stored refs pending

A Quadratic Spinor Lagrangian for General Relativity

James M. Nester, Roh Suan Tung

arxiv:gr-qc/9407004 v1 · 1994-07-06 · 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{HOGMOLSFXCO4XGHDDBTQIULWJC}

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	2026-05-18T04:37:57.058737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b8cc72e45b89dcb98e31867045176489521cee2f728a82de5f8c442a9dc15d8

Aliases

arxiv: gr-qc/9407004 · arxiv_version: gr-qc/9407004v1 · doi: 10.48550/arxiv.gr-qc/9407004 · pith_short_12: HOGMOLSFXCO4 · pith_short_16: HOGMOLSFXCO4XGHD · pith_short_8: HOGMOLSF

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/HOGMOLSFXCO4XGHDDBTQIULWJC \
  | 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: 3b8cc72e45b89dcb98e31867045176489521cee2f728a82de5f8c442a9dc15d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c8100fbefd6def17c7c25a02aac99b693b89c44a2371b38266b22be6e922815",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1994-07-06T00:18:33Z",
    "title_canon_sha256": "eb108e384cf35a238d5144e27a225b3a19fa73e69279be557b16b0d26dfc08b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9407004",
    "kind": "arxiv",
    "version": 1
  }
}