Pith Number

pith:PC562UFE

pith:2026:PC562UFE3ERKN22TU66K4BD7SW

not attested not anchored not stored refs pending

Phase-space organization of the elastic pendulum: chaotic fraction, energy exchanges, and the order-chaos-order transition

Arturo C. Marti, Cecilia Stari, Edson D. Leonel, Juan P. Tarigo

arxiv:2604.01503 v2 · 2026-04-02 · 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{PC562UFE3ERKN22TU66K4BD7SW}

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	2026-08-14T01:03:03.755569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78bbed50a4d922a6eb53a7bcae047f9582383ae9c2d44938bc80b6814db91256

Aliases

arxiv: 2604.01503 · arxiv_version: 2604.01503v2 · doi: 10.48550/arxiv.2604.01503 · pith_short_12: PC562UFE3ERK · pith_short_16: PC562UFE3ERKN22T · pith_short_8: PC562UFE

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/PC562UFE3ERKN22TU66K4BD7SW \
  | 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: 78bbed50a4d922a6eb53a7bcae047f9582383ae9c2d44938bc80b6814db91256

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f29b03624ac1964d05e902b4837e29677288735a7307bca50a1a822a8762ae0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2026-04-02T00:27:22Z",
    "title_canon_sha256": "fa550b4e02206538cb0f295fc749c34b9766ff3f0f1988139f40813e786dbb3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2604.01503",
    "kind": "arxiv",
    "version": 2
  }
}