Pith Number

pith:E5PWJ2VL

pith:2024:E5PWJ2VLRPPLWN4J5WKLGKLKOF

not attested not anchored not stored refs pending

The shift-and-invert Arnoldi method for singular matrix pencils

Karl Meerbergen, Zhijun Wang

arxiv:2411.02895 v2 · 2024-11-05 · math.NA · cs.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{E5PWJ2VLRPPLWN4J5WKLGKLKOF}

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.

Cited by

1 paper in Pith

Solving linear-rate ODE hierarchies (like master equations) using closures and operator splitting

Receipt and verification

First computed	2026-05-20T01:04:50.822006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

275f64eaab8bdebb3789ed94b3296a7161c39e790e0fd5df7ccc280f82536e5d

Aliases

arxiv: 2411.02895 · arxiv_version: 2411.02895v2 · doi: 10.48550/arxiv.2411.02895 · pith_short_12: E5PWJ2VLRPPL · pith_short_16: E5PWJ2VLRPPLWN4J · pith_short_8: E5PWJ2VL

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/E5PWJ2VLRPPLWN4J5WKLGKLKOF \
  | 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: 275f64eaab8bdebb3789ed94b3296a7161c39e790e0fd5df7ccc280f82536e5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9444ff0334acacfe4ad6c9aa5dc575a5566305d3f4011aebe39e439dd96be42",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-11-05T08:17:18Z",
    "title_canon_sha256": "ab0236f169935ee99386d09c7ed22e6f13211c6f0a2d00e871f9c81ae786fc75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.02895",
    "kind": "arxiv",
    "version": 2
  }
}