Pith Number

pith:3JF5MBJ2

pith:2007:3JF5MBJ2BIQXND22U53MITT7Z3

not attested not anchored not stored refs pending

Reissner-Nordstr\"om Spacetime in the Tetrad Theory of Gravitation

Gamal G.L. Nashed, Takeshi Shirafuji

arxiv:0704.3898 v1 · 2007-04-30 · 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{3JF5MBJ2BIQXND22U53MITT7Z3}

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	2026-07-04T15:24:55.118041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da4bd6053a0a21768f5aa776c44e7fcec88b693d2d0fc2c70177c422ef5d0489

Aliases

arxiv: 0704.3898 · arxiv_version: 0704.3898v1 · doi: 10.48550/arxiv.0704.3898 · pith_short_12: 3JF5MBJ2BIQX · pith_short_16: 3JF5MBJ2BIQXND22 · pith_short_8: 3JF5MBJ2

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/3JF5MBJ2BIQXND22U53MITT7Z3 \
  | 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: da4bd6053a0a21768f5aa776c44e7fcec88b693d2d0fc2c70177c422ef5d0489

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dd2c5262c033ffdc139a368b8547b4c1f742321f578014e7cbda7e66cdcf9ea",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-04-30T08:57:10Z",
    "title_canon_sha256": "e9a6c3c128b42572b0dd29709dfe15c5c505fe2ff485da0cba853ae6930d317e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.3898",
    "kind": "arxiv",
    "version": 1
  }
}