Pith Number

pith:GSGJNFPC

pith:2026:GSGJNFPCGFIAM3N4G4OGPB5PGQ

not attested not anchored not stored refs pending

Optimizing the Preconditioner: A Black-box Online-to-Nonconvex Conversion with Static Regret Minimization Oracles

David Simchi-Levi, Haichen Hu

arxiv:2607.17607 v1 · 2026-07-20 · cs.LG · math.OC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GSGJNFPCGFIAM3N4G4OGPB5PGQ}

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	2026-07-21T01:21:54.836472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

348c9695e23150066dbc371c6787af3431089af87f346e77da4b482a7a0131ad

Aliases

arxiv: 2607.17607 · arxiv_version: 2607.17607v1 · doi: 10.48550/arxiv.2607.17607 · pith_short_12: GSGJNFPCGFIA · pith_short_16: GSGJNFPCGFIAM3N4 · pith_short_8: GSGJNFPC

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/GSGJNFPCGFIAM3N4G4OGPB5PGQ \
  | 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: 348c9695e23150066dbc371c6787af3431089af87f346e77da4b482a7a0131ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0dac6879563755cd1874bb6bb68e52b7c5ceb0eb1eeb75e19bd2a194f18797b",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-20T06:53:59Z",
    "title_canon_sha256": "ce8e5261b06383bd8c147bf426a510353dc32d267f604b29248b0dc139de3a5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.17607",
    "kind": "arxiv",
    "version": 1
  }
}