Pith Number

pith:4KHXVHX4

pith:1993:4KHXVHX47TLXPFDLKVA7USF6VE

not attested not anchored not stored refs pending

The Great Inequality In A Hamiltonian Planetary Theory

CA) Keywords: Hamiltonian systems, F. Varadi, Los Angeles Los Angeles, M. Ghil, perturbation theory, planetary motion, Planetary Physics University of California, resonances, W. M. Kaula (Institute of Geophysics

arxiv:chao-dyn/9311011 v2 · 1993-11-30 · chao-dyn · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4KHXVHX47TLXPFDLKVA7USF6VE}

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	2026-05-18T03:47:42.315406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e28f7a9efcfcd777946b5541fa48bea933f51875ed6be9d83575b6ebb55a5258

Aliases

arxiv: chao-dyn/9311011 · arxiv_version: chao-dyn/9311011v2 · doi: 10.48550/arxiv.chao-dyn/9311011 · pith_short_12: 4KHXVHX47TLX · pith_short_16: 4KHXVHX47TLXPFDL · pith_short_8: 4KHXVHX4

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/4KHXVHX47TLXPFDLKVA7USF6VE \
  | 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: e28f7a9efcfcd777946b5541fa48bea933f51875ed6be9d83575b6ebb55a5258

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e17c3e68a054bf5703e06b26946337e1fac1fca8af5356043c8112dcca95aa87",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "",
    "primary_cat": "chao-dyn",
    "submitted_at": "1993-11-30T04:18:23Z",
    "title_canon_sha256": "834be9896cc775e4c9f32dbd93f1e1f3aad9db32c8f3a2ef47a16387108aa8d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "chao-dyn/9311011",
    "kind": "arxiv",
    "version": 2
  }
}