Pith Number

pith:JY2WXYB2

pith:2014:JY2WXYB224MO5HM5WIOWRPEFMW

not attested not anchored not stored refs pending

Fast singular value decay for Lyapunov solutions with nonnormal coefficients

John Sabino, Jonathan Baker, Mark Embree

arxiv:1410.8741 v2 · 2014-10-31 · math.NA · math.OC · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JY2WXYB224MO5HM5WIOWRPEFMW}

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	2026-05-18T02:28:20.442218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e356be03ad718ee9d9db21d68bc8565a61c06ecb24c0700cd9a9b7d2776ba69

Aliases

arxiv: 1410.8741 · arxiv_version: 1410.8741v2 · doi: 10.48550/arxiv.1410.8741 · pith_short_12: JY2WXYB224MO · pith_short_16: JY2WXYB224MO5HM5 · pith_short_8: JY2WXYB2

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/JY2WXYB224MO5HM5WIOWRPEFMW \
  | 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: 4e356be03ad718ee9d9db21d68bc8565a61c06ecb24c0700cd9a9b7d2776ba69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7cca21e8f17fa8f241049dc7805fc488c43e1c9c661fec7fcbd3fc0fd656b73",
    "cross_cats_sorted": [
      "math.OC",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-10-31T14:04:44Z",
    "title_canon_sha256": "81683f0e0c5fe41e9adf850560268e7752e941525380470c22a6f15f0c127547"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.8741",
    "kind": "arxiv",
    "version": 2
  }
}