Pith Number

pith:AWKIAFVG

pith:2013:AWKIAFVGA56RWWBQYO2MUIZ322

not attested not anchored not stored refs pending

Krylov Subspace Recycling for Sequences of Shifted Linear Systems

Daniel B. Szyld, Fei Xue, Kirk M. Soodhalter

arxiv:1301.2650 v3 · 2013-01-12 · math.NA · cs.MS · 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{AWKIAFVGA56RWWBQYO2MUIZ322}

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	2026-05-18T02:41:26.343128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05948016a6077d1b5830c3b4ca233bd69c2c0978e734b9743dd24adb14a41c85

Aliases

arxiv: 1301.2650 · arxiv_version: 1301.2650v3 · doi: 10.48550/arxiv.1301.2650 · pith_short_12: AWKIAFVGA56R · pith_short_16: AWKIAFVGA56RWWBQ · pith_short_8: AWKIAFVG

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/AWKIAFVGA56RWWBQYO2MUIZ322 \
  | 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: 05948016a6077d1b5830c3b4ca233bd69c2c0978e734b9743dd24adb14a41c85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b9110ad8166a9b1e54c2144fdfe2afce037d90e34bc32c6d5cba0998fbdb5e5",
    "cross_cats_sorted": [
      "cs.MS",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-01-12T05:36:09Z",
    "title_canon_sha256": "e38c83789f2b9a4fdc2d35f30080a8a01eb208d74d72901365ea4a0756e81fec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2650",
    "kind": "arxiv",
    "version": 3
  }
}