Pith Number

pith:LMPKA6H3

pith:2004:LMPKA6H3HXPIYCPA3TQGC5UV3S

not attested not anchored not stored refs pending

Geodesic motion in the Kundt spacetimes and the character of envelope singularity

Jiri Podolsky, Miroslav Belan

arxiv:gr-qc/0404068 v1 · 2004-04-15 · 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{LMPKA6H3HXPIYCPA3TQGC5UV3S}

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

Regular Spacetimes in the Effective Metric Description

Receipt and verification

First computed	2026-07-04T16:47:43.485949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b1ea078fb3dde8c09e0dce0617695dcacc372ba942be71be0ab67e41abfcd73

Aliases

arxiv: gr-qc/0404068 · arxiv_version: gr-qc/0404068v1 · doi: 10.48550/arxiv.gr-qc/0404068 · pith_short_12: LMPKA6H3HXPI · pith_short_16: LMPKA6H3HXPIYCPA · pith_short_8: LMPKA6H3

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/LMPKA6H3HXPIYCPA3TQGC5UV3S \
  | 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: 5b1ea078fb3dde8c09e0dce0617695dcacc372ba942be71be0ab67e41abfcd73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3d494f941224c8822c1c31c66cb6d3b51d27a4eab4dd61b60f00754a7bc4cb8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-04-15T17:46:43Z",
    "title_canon_sha256": "c94d41b5b927312c8200270942f201058ffbff2ac88bf5bc4719e45884ab4848"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0404068",
    "kind": "arxiv",
    "version": 1
  }
}