Pith Number

pith:Y6H3KC4O

pith:2009:Y6H3KC4OVYYRMRYLMBERJICR53

not attested not anchored not stored refs pending

Experimental demonstration of classical Hamiltonian monodromy in the 1:1:2 resonant elastic pendulum

Carrie A. Weidner, Heather J. Lewandowski, H.R. Dullin, L. Paul Parazzoli, Noah J. Fitch

arxiv:0906.2941 v1 · 2009-06-16 · physics.atom-ph · 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{Y6H3KC4OVYYRMRYLMBERJICR53}

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	2026-05-18T03:20:19.194255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c78fb50b8eae3116470b604914a051eed0a7f94296cfc612cb241fe8f221e427

Aliases

arxiv: 0906.2941 · arxiv_version: 0906.2941v1 · doi: 10.48550/arxiv.0906.2941 · pith_short_12: Y6H3KC4OVYYR · pith_short_16: Y6H3KC4OVYYRMRYL · pith_short_8: Y6H3KC4O

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/Y6H3KC4OVYYRMRYLMBERJICR53 \
  | 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: c78fb50b8eae3116470b604914a051eed0a7f94296cfc612cb241fe8f221e427

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d35d17f50da8ff1c6bd6ec79712511f4382202109c61f6d1cd5e7e2093b873ed",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2009-06-16T19:18:09Z",
    "title_canon_sha256": "e6dbe49b45c54299c1651472adf7f00de728b567263f735a1b871cbd22b74aef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.2941",
    "kind": "arxiv",
    "version": 1
  }
}