Pith Number

pith:UQGVCDTT

pith:2014:UQGVCDTTNXRTH6YDEPVWTSIH5R

not attested not anchored not stored refs pending

From low-rank approximation to an efficient rational Krylov subspace method for the Lyapunov equation

D. A. Kolesnikov, I. V. Oseledets

arxiv:1410.3335 v3 · 2014-10-13 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UQGVCDTTNXRTH6YDEPVWTSIH5R}

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	2026-05-18T02:03:35.501250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a40d510e736de333fb0323eb69c907ec4c4582f0ac006d0bf0d933832a084af0

Aliases

arxiv: 1410.3335 · arxiv_version: 1410.3335v3 · doi: 10.48550/arxiv.1410.3335 · pith_short_12: UQGVCDTTNXRT · pith_short_16: UQGVCDTTNXRTH6YD · pith_short_8: UQGVCDTT

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/UQGVCDTTNXRTH6YDEPVWTSIH5R \
  | 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: a40d510e736de333fb0323eb69c907ec4c4582f0ac006d0bf0d933832a084af0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69b33b179c3fe4886e51bea24f46bb780cb5370579104f2d0ee5f92eb97258a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-10-13T14:57:21Z",
    "title_canon_sha256": "a39581420d06ea533f50a6a470dc6718030a2168f9ba14d4036cbc22885c23d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.3335",
    "kind": "arxiv",
    "version": 3
  }
}