Pith Number

pith:5FDMOA35

pith:2026:5FDMOA35GTPYXYG47DNEBGURYS

not attested not anchored not stored refs pending

A Sketched Generalized Krylov Subspace Method for Large-Scale Regularization

Davide Palitta, Mirjeta Pasha

arxiv:2606.18073 v1 · 2026-06-16 · 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{5FDMOA35GTPYXYG47DNEBGURYS}

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	2026-06-19T16:10:47.803847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e946c7037d34df8be0dcf8da409a91c4a381c523f8738885373e5200fbbaa38a

Aliases

arxiv: 2606.18073 · arxiv_version: 2606.18073v1 · doi: 10.48550/arxiv.2606.18073 · pith_short_12: 5FDMOA35GTPY · pith_short_16: 5FDMOA35GTPYXYG4 · pith_short_8: 5FDMOA35

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/5FDMOA35GTPYXYG47DNEBGURYS \
  | 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: e946c7037d34df8be0dcf8da409a91c4a381c523f8738885373e5200fbbaa38a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e2b3d596a6f8d57bfda9777557606665b7b8fcf3d4c5c56a4ae16faeab7cf76",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-16T15:41:17Z",
    "title_canon_sha256": "0d86ea193754d13dd4a5554ea41a57b17661f9aea096138bbdef8b8ebad08bee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18073",
    "kind": "arxiv",
    "version": 1
  }
}