Pith Number

pith:H7ARHMLQ

pith:1998:H7ARHMLQNLFISD7PNFSAQK7IKD

not attested not anchored not stored refs pending

On a Class of Riemann-Cartan Space-times of G\"odel Type

J.B. Fonseca-Neto, M.J. Reboucas

arxiv:gr-qc/9807032 v1 · 1998-07-15 · gr-qc · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H7ARHMLQNLFISD7PNFSAQK7IKD}

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	2026-05-18T01:39:18.488649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fc113b1706aca890fef6964082be850fbdb62b6efc084206484b0d6e01c8149

Aliases

arxiv: gr-qc/9807032 · arxiv_version: gr-qc/9807032v1 · doi: 10.48550/arxiv.gr-qc/9807032 · pith_short_12: H7ARHMLQNLFI · pith_short_16: H7ARHMLQNLFISD7P · pith_short_8: H7ARHMLQ

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/H7ARHMLQNLFISD7PNFSAQK7IKD \
  | 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: 3fc113b1706aca890fef6964082be850fbdb62b6efc084206484b0d6e01c8149

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4f81db08caca8b50367c6cd2593fd0941504cdbfcea202a69da881ae3da0a26",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-07-15T02:05:38Z",
    "title_canon_sha256": "439700729fb217b066cd1ed8e1516aad13e33b34f2753c3ca14519f6b14f5ecd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9807032",
    "kind": "arxiv",
    "version": 1
  }
}