Pith Number

pith:EDWGW447

pith:2024:EDWGW447FRSSICSPAUEZMUEJJ6

not attested not anchored not stored refs pending

Two-level trust-region method with random subspaces

Alena Kopani\v{c}\'akov\'a, Andrea Angino, Rolf Krause

arxiv:2409.05479 v1 · 2024-09-09 · 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{EDWGW447FRSSICSPAUEZMUEJJ6}

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	2026-07-05T09:04:49.877791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20ec6b739f2c65240a4f05099650894f8791040734545f90de156e1f6da118f2

Aliases

arxiv: 2409.05479 · arxiv_version: 2409.05479v1 · doi: 10.48550/arxiv.2409.05479 · pith_short_12: EDWGW447FRSS · pith_short_16: EDWGW447FRSSICSP · pith_short_8: EDWGW447

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/EDWGW447FRSSICSPAUEZMUEJJ6 \
  | 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: 20ec6b739f2c65240a4f05099650894f8791040734545f90de156e1f6da118f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e9691760adceb47ca4ab2f569ca05895e35cefe22afd99a568fa3115193382a",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-09-09T10:14:24Z",
    "title_canon_sha256": "e04602fdffc382d6d8380f4b912f257017e1e16d7566f7afe72c7a051c4c288d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.05479",
    "kind": "arxiv",
    "version": 1
  }
}