Pith Number

pith:RB2J4QGJ

pith:2007:RB2J4QGJFFQVSOASM5H6UNCYC7

not attested not anchored not stored refs pending

The Lifshitz-Khalatnikov Kasner index parametrization and the Weyl Tensor

Christian Cherubini, Donato Bini, Robert T. Jantzen

arxiv:0710.4902 v1 · 2007-10-25 · 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{RB2J4QGJFFQVSOASM5H6UNCYC7}

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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	2026-05-18T04:36:41.837011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88749e40c92961593812674fea345817edc17a519347174ce2390d90fc91f948

Aliases

arxiv: 0710.4902 · arxiv_version: 0710.4902v1 · doi: 10.48550/arxiv.0710.4902 · pith_short_12: RB2J4QGJFFQV · pith_short_16: RB2J4QGJFFQVSOAS · pith_short_8: RB2J4QGJ

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/RB2J4QGJFFQVSOASM5H6UNCYC7 \
  | 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: 88749e40c92961593812674fea345817edc17a519347174ce2390d90fc91f948

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53d2e242e47eda7451c1148554bc2ca029452e5dcc126bada50e9173e52f4c24",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-10-25T15:55:14Z",
    "title_canon_sha256": "15302918cd1b9f20a14926b37f48b6a5986fbc178237bb492a8d9b0bc3b27c0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.4902",
    "kind": "arxiv",
    "version": 1
  }
}