Pith Number

pith:W7XUHJQK

pith:2013:W7XUHJQKN3SIRLLPIOLB6EK5XT

not attested not anchored not stored refs pending

Pinball dynamics: unlimited energy growth in switching Hamiltonian systems

Maxim Arnold, Vadim Zharnitsky

arxiv:1303.5510 v2 · 2013-03-22 · 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{W7XUHJQKN3SIRLLPIOLB6EK5XT}

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	2026-05-18T03:21:11.680527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7ef43a60a6ee488ad6f43961f115dbcc44c027b3d2db4d6441a7d6db9cb9dda

Aliases

arxiv: 1303.5510 · arxiv_version: 1303.5510v2 · doi: 10.48550/arxiv.1303.5510 · pith_short_12: W7XUHJQKN3SI · pith_short_16: W7XUHJQKN3SIRLLP · pith_short_8: W7XUHJQK

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/W7XUHJQKN3SIRLLPIOLB6EK5XT \
  | 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: b7ef43a60a6ee488ad6f43961f115dbcc44c027b3d2db4d6441a7d6db9cb9dda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33453e3a6b036c9014df36a9cb4296eaf844b915bb39f19c2489f82953e2bcd5",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2013-03-22T03:39:38Z",
    "title_canon_sha256": "f4bb4557a43441506bed1b36afe572c8fd1c1883519c01387e2ecc1d069b7fa5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5510",
    "kind": "arxiv",
    "version": 2
  }
}