Pith Number

pith:C7KFS7D5

pith:2004:C7KFS7D57SGPV6QAD4WU5YWOSK

not attested not anchored not stored refs pending

On the Singularities of Reissner-Nordstr\"{o}m Space-Time

M. Abdel-Megied, Ragab M. Gad

arxiv:gr-qc/0402077 v2 · 2004-02-17 · 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{C7KFS7D57SGPV6QAD4WU5YWOSK}

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

Geodesic deviation in the $q$-metric

Receipt and verification

First computed	2026-05-18T01:39:22.645496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17d4597c7dfc8cfafa001f2d4ee2ce92b5cb8c31017201c10753e07d99656db1

Aliases

arxiv: gr-qc/0402077 · arxiv_version: gr-qc/0402077v2 · doi: 10.48550/arxiv.gr-qc/0402077 · pith_short_12: C7KFS7D57SGP · pith_short_16: C7KFS7D57SGPV6QA · pith_short_8: C7KFS7D5

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/C7KFS7D57SGPV6QAD4WU5YWOSK \
  | 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: 17d4597c7dfc8cfafa001f2d4ee2ce92b5cb8c31017201c10753e07d99656db1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f51a34958a103a249653b782138beef46cae178d2038168472d35a9f58f74b7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-02-17T10:19:54Z",
    "title_canon_sha256": "f70b1a7e62e531cdc492d88f82b530ea98a53602c79c8ae74a08e3ef6d307f76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0402077",
    "kind": "arxiv",
    "version": 2
  }
}