Pith Number

pith:6F3RJ4SM

pith:1998:6F3RJ4SM53HP3MGBG7QQX3MPVM

not attested not anchored not stored refs pending

On the geometry of impulsive gravitational waves

Roland Steinbauer

arxiv:gr-qc/9809054 v3 · 1998-09-17 · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6F3RJ4SM53HP3MGBG7QQX3MPVM}

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	2026-05-18T03:11:47.624144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f17714f24ceecefdb0c137e10bed8fab34bd5405defb98f7c7bc7655b0b2379f

Aliases

arxiv: gr-qc/9809054 · arxiv_version: gr-qc/9809054v3 · doi: 10.48550/arxiv.gr-qc/9809054 · pith_short_12: 6F3RJ4SM53HP · pith_short_16: 6F3RJ4SM53HP3MGB · pith_short_8: 6F3RJ4SM

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/6F3RJ4SM53HP3MGBG7QQX3MPVM \
  | 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: f17714f24ceecefdb0c137e10bed8fab34bd5405defb98f7c7bc7655b0b2379f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a98f70dbaf009fcb18aa14d834dcc633490d2bde6090abb52c98e651aaa1a296",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-09-17T14:15:32Z",
    "title_canon_sha256": "92628b707a5d94f547945b0e84c54cfdd4614b5e8c26f07e1b54b95fd465682a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9809054",
    "kind": "arxiv",
    "version": 3
  }
}