Pith Number

pith:EASZINIJ

pith:2008:EASZINIJDWHMCIGKH2LTNJ2T2O

not attested not anchored not stored refs pending

Rotation numbers of invariant manifolds around unstable periodic orbits for the diamagnetic Kepler problem

Zuo-Bing Wu

arxiv:0803.2401 v1 · 2008-03-17 · 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{EASZINIJDWHMCIGKH2LTNJ2T2O}

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	2026-07-04T15:10:20.802147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20259435091d8ec120ca3e9736a753d3b9a68ddff12b8839c8accb14811b732e

Aliases

arxiv: 0803.2401 · arxiv_version: 0803.2401v1 · doi: 10.48550/arxiv.0803.2401 · pith_short_12: EASZINIJDWHM · pith_short_16: EASZINIJDWHMCIGK · pith_short_8: EASZINIJ

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/EASZINIJDWHMCIGKH2LTNJ2T2O \
  | 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: 20259435091d8ec120ca3e9736a753d3b9a68ddff12b8839c8accb14811b732e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "613558e054a491268f10095203e6d37c3913dc17e98480cbe70f46786103be63",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2008-03-17T07:47:52Z",
    "title_canon_sha256": "c8d354fe361e2560430b9254f3225eaf9ddd2116174b5081acedc599c2da1852"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.2401",
    "kind": "arxiv",
    "version": 1
  }
}