Pith Number

pith:UOLDKMCF

pith:2011:UOLDKMCFI3P557SHI3XGUUGANQ

not attested not anchored not stored refs pending

Theory and computation of covariant Lyapunov vectors

Pavel V. Kuptsov, Ulrich Parlitz

arxiv:1105.5228 v3 · 2011-05-26 · 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{UOLDKMCFI3P557SHI3XGUUGANQ}

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	2026-05-18T03:59:13.884032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a39635304546dfdefe4746ee6a50c06c3c679e69b8b4f16d08ec9cc6d088b0fa

Aliases

arxiv: 1105.5228 · arxiv_version: 1105.5228v3 · doi: 10.48550/arxiv.1105.5228 · pith_short_12: UOLDKMCFI3P5 · pith_short_16: UOLDKMCFI3P557SH · pith_short_8: UOLDKMCF

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/UOLDKMCFI3P557SHI3XGUUGANQ \
  | 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: a39635304546dfdefe4746ee6a50c06c3c679e69b8b4f16d08ec9cc6d088b0fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f4b6f5f9e9a8324eb8f71970580d55be929dd5a3d23923801805a13840596a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2011-05-26T08:23:44Z",
    "title_canon_sha256": "66aba0ac720391b2b042699cd872d2f72f94ca9a7fb08a6ad90d2711087c6771"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.5228",
    "kind": "arxiv",
    "version": 3
  }
}