Pith Number

pith:IEAX6QZM

pith:1993:IEAX6QZMBPDZQK3NTSTWSF7HH3

not attested not anchored not stored refs pending

The Universality of Einstein Equations

I.Volovich, M.Ferraris, M.Francaviglia

arxiv:gr-qc/9303007 v2 · 1993-03-02 · 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{IEAX6QZMBPDZQK3NTSTWSF7HH3}

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

Modified Gravity Theories on a Nutshell: Inflation, Bounce and Late-time Evolution

Receipt and verification

First computed	2026-05-18T04:33:37.035388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41017f432c0bc7982b6d9ca76917e73eddf674a4145ce818eb195bbf29bdcce4

Aliases

arxiv: gr-qc/9303007 · arxiv_version: gr-qc/9303007v2 · doi: 10.48550/arxiv.gr-qc/9303007 · pith_short_12: IEAX6QZMBPDZ · pith_short_16: IEAX6QZMBPDZQK3N · pith_short_8: IEAX6QZM

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/IEAX6QZMBPDZQK3NTSTWSF7HH3 \
  | 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: 41017f432c0bc7982b6d9ca76917e73eddf674a4145ce818eb195bbf29bdcce4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2f8c62c52e1fe65dee380a00378bae4b0d45eab223991f7975f55242cf15cc9",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1993-03-02T22:21:00Z",
    "title_canon_sha256": "4fe32414849ce33d1f7fece207e20f42092ba459a95caf3c71a9355bbe69c8fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9303007",
    "kind": "arxiv",
    "version": 2
  }
}