Pith Number

pith:7KWLP5OU

pith:2006:7KWLP5OUD5UINGUSPAOKRHTUGN

not attested not anchored not stored refs pending

On the analytic non-integrability of the Rattleback problem

Alexei Tsygvintsev, Holger R. Dullin

arxiv:math/0610305 v1 · 2006-10-10 · math.DS · math-ph · 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{7KWLP5OUD5UINGUSPAOKRHTUGN}

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	2026-05-18T03:20:07.002427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faacb7f5d41f68869a92781ca89e74337efe9e3af30c23bcd298c8bb8614c3fa

Aliases

arxiv: math/0610305 · arxiv_version: math/0610305v1 · doi: 10.48550/arxiv.math/0610305 · pith_short_12: 7KWLP5OUD5UI · pith_short_16: 7KWLP5OUD5UINGUS · pith_short_8: 7KWLP5OU

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/7KWLP5OUD5UINGUSPAOKRHTUGN \
  | 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: faacb7f5d41f68869a92781ca89e74337efe9e3af30c23bcd298c8bb8614c3fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bce6d81eca8aa693c7d9331e088635c20a7c966eedd5b09948a2e038f1970402",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math.DS",
    "submitted_at": "2006-10-10T00:04:12Z",
    "title_canon_sha256": "2a12285627b4fa85cf7dc60f068bd1993af2e3c589d55a94e70e7e7840c0e96e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0610305",
    "kind": "arxiv",
    "version": 1
  }
}