Pith Number

pith:J3V5VUGV

pith:2017:J3V5VUGVZR23WAS6B4QOCZBSXW

not attested not anchored not stored refs pending

Geodesics in nonexpanding impulsive gravitational waves with $\Lambda$, II

Clemens S\"amann, Roland Steinbauer

arxiv:1704.05383 v2 · 2017-04-18 · math-ph · gr-qc · 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{J3V5VUGVZR23WAS6B4QOCZBSXW}

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	2026-05-18T00:27:57.416896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4eebdad0d5cc75bb025e0f20e16432bd9ff3fd4048392fe1eb5f4558a4327026

Aliases

arxiv: 1704.05383 · arxiv_version: 1704.05383v2 · doi: 10.48550/arxiv.1704.05383 · pith_short_12: J3V5VUGVZR23 · pith_short_16: J3V5VUGVZR23WAS6 · pith_short_8: J3V5VUGV

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/J3V5VUGVZR23WAS6B4QOCZBSXW \
  | 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: 4eebdad0d5cc75bb025e0f20e16432bd9ff3fd4048392fe1eb5f4558a4327026

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62aa68ae19572deb7f5e5c91f6dd6b52a3c2908601c4cb0c03f40fe1e9db7751",
    "cross_cats_sorted": [
      "gr-qc",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2017-04-18T15:00:39Z",
    "title_canon_sha256": "24a66fb7c3ea5a17ce7c0cea4b2f41c22c9026f0d42f3a178ff33f2ff0c6126e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05383",
    "kind": "arxiv",
    "version": 2
  }
}