Pith Number

pith:6XPPXVXU

pith:2026:6XPPXVXUO4EF3EPBOESWTFPL6O

not attested not anchored not stored refs pending

Equation-Free Period-Aware Forecast-Error Contraction for Estimating Negative Largest Lyapunov Exponents from Short Trajectory Ensembles

Andrei Velichko, N'Gbo N'Gbo, Viet-Thanh Pham

arxiv:2608.05522 v1 · 2026-08-06 · nlin.CD · cs.LG · physics.data-an

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6XPPXVXUO4EF3EPBOESWTFPL6O}

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	2026-08-07T00:48:01.095860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5defbd6f477085d91e171256995ebf3aace88edd65539996eec0f8173038dbf

Aliases

arxiv: 2608.05522 · arxiv_version: 2608.05522v1 · doi: 10.48550/arxiv.2608.05522 · pith_short_12: 6XPPXVXUO4EF · pith_short_16: 6XPPXVXUO4EF3EPB · pith_short_8: 6XPPXVXU

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/6XPPXVXUO4EF3EPBOESWTFPL6O \
  | 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: f5defbd6f477085d91e171256995ebf3aace88edd65539996eec0f8173038dbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab156fb5232de42a600b6194795a4e5dc8285d29e26bb0396019f887a4a11d18",
    "cross_cats_sorted": [
      "cs.LG",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2026-08-06T01:58:00Z",
    "title_canon_sha256": "6f633a311841867864d230749f60dfcf3ed7cce3fb7236911c64372dcc28b74a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.05522",
    "kind": "arxiv",
    "version": 1
  }
}