Pith Number

pith:MTYON2OX

pith:2009:MTYON2OX3W4BO4VRW4R4JL3LYO

not attested not anchored not stored refs pending

Lyapunov vs. Geometrical Stability Analysis of the Kepler and the Restricted Three Body Problem

A. Yahalom, J. Levitan, L. Horwitz, M. Lewkowicz

arxiv:0908.1124 v4 · 2009-08-07 · physics.class-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MTYON2OX3W4BO4VRW4R4JL3LYO}

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	2026-05-18T04:38:59.333081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64f0e6e9d7ddb81772b1b723c4af6bc3986b35c56c00ec1bace434c22e372902

Aliases

arxiv: 0908.1124 · arxiv_version: 0908.1124v4 · doi: 10.48550/arxiv.0908.1124 · pith_short_12: MTYON2OX3W4B · pith_short_16: MTYON2OX3W4BO4VR · pith_short_8: MTYON2OX

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/MTYON2OX3W4BO4VRW4R4JL3LYO \
  | 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: 64f0e6e9d7ddb81772b1b723c4af6bc3986b35c56c00ec1bace434c22e372902

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10bbbbadb9cf2010cf0f7ea8c6459bf89f8dbb5f9c8e238c3070fc26c3d17201",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2009-08-07T21:15:57Z",
    "title_canon_sha256": "b26814c9dbaa5b84327ed428289d187b90597dc8e64262f72adc746f641c0754"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1124",
    "kind": "arxiv",
    "version": 4
  }
}