Pith Number

pith:B5MWPAVD

pith:2022:B5MWPAVDZ6JBJ4TRGNFPRBODI5

not attested not anchored not stored refs pending

Randomised subspace methods for non-convex optimization, with applications to nonlinear least-squares

Coralia Cartis, Jaroslav Fowkes, Zhen Shao

arxiv:2211.09873 v1 · 2022-11-17 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B5MWPAVDZ6JBJ4TRGNFPRBODI5}

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

CLARSTA: A random subspace trust-region algorithm for convex-constrained derivative-free optimization

Receipt and verification

First computed	2026-07-05T05:17:15.036977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f596782a3cf9214f271334af885c347562a2a779aaac668d80bd3562ef3c1b8

Aliases

arxiv: 2211.09873 · arxiv_version: 2211.09873v1 · doi: 10.48550/arxiv.2211.09873 · pith_short_12: B5MWPAVDZ6JB · pith_short_16: B5MWPAVDZ6JBJ4TR · pith_short_8: B5MWPAVD

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/B5MWPAVDZ6JBJ4TRGNFPRBODI5 \
  | 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: 0f596782a3cf9214f271334af885c347562a2a779aaac668d80bd3562ef3c1b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0940bdfcf6e818daa27a9bd131964eaa2e336b335c70d88a3e9e55da0b89ac1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2022-11-17T20:24:48Z",
    "title_canon_sha256": "f0ee0029a119fd1fa6490329de7f9c9ec24e8d113a1079dde2c39a8cb62cf8cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.09873",
    "kind": "arxiv",
    "version": 1
  }
}