Pith Number

pith:7XKHT4KL

pith:2025:7XKHT4KLWXZFQ5NN2VX56DU2QM

not attested not anchored not stored refs pending

Simple Stepsize for Quasi-Newton Methods with Global Convergence Guarantees

Alexander Gasnikov, Artem Agafonov, Martin Tak\'a\v{c}, Samuel Horv\'ath, Slavomir Hanzely, Vladislav Ryspayev

arxiv:2508.19712 v1 · 2025-08-27 · math.OC · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7XKHT4KLWXZFQ5NN2VX56DU2QM}

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	2026-07-05T12:00:16.857975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdd479f14bb5f25875add56fdf0e9a8329eff99a3076913af7afb68fca004e44

Aliases

arxiv: 2508.19712 · arxiv_version: 2508.19712v1 · doi: 10.48550/arxiv.2508.19712 · pith_short_12: 7XKHT4KLWXZF · pith_short_16: 7XKHT4KLWXZFQ5NN · pith_short_8: 7XKHT4KL

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/7XKHT4KLWXZFQ5NN2VX56DU2QM \
  | 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: fdd479f14bb5f25875add56fdf0e9a8329eff99a3076913af7afb68fca004e44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c2137af89d574fe9bbed434a6f6aaedf25e09c6cf2441d5c7cd650404cd2895",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-08-27T09:18:51Z",
    "title_canon_sha256": "11d5c16d5489a1348e6ebc8f80890c166cde16f626b6254d3ea4891e09b6ddd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.19712",
    "kind": "arxiv",
    "version": 1
  }
}