Pith Number

pith:FNKHUXSW

pith:2026:FNKHUXSW2ENG54D7T4H57BZSSO

not attested not anchored not stored refs pending

Position: Zeroth-Order Optimization in Deep Learning Is Underexplored, Not Underpowered

Bhavya Kailkhura, Changsheng Wang, Chongyu Fan, James Diffenderfer, Sijia Liu, Soumyadeep Pal, Yancheng Huang, Yicheng Lang, Yihua Zhang

arxiv:2605.15622 v2 · 2026-05-15 · 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{FNKHUXSW2ENG54D7T4H57BZSSO}

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	2026-05-20T00:04:38.193260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b547a5e56d11a6ef07f9f0fdf8732938aae307982ee83e856035505e8514942

Aliases

arxiv: 2605.15622 · arxiv_version: 2605.15622v2 · doi: 10.48550/arxiv.2605.15622 · pith_short_12: FNKHUXSW2ENG · pith_short_16: FNKHUXSW2ENG54D7 · pith_short_8: FNKHUXSW

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/FNKHUXSW2ENG54D7T4H57BZSSO \
  | 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: 2b547a5e56d11a6ef07f9f0fdf8732938aae307982ee83e856035505e8514942

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8cd4034e8fe7eaf1b22c68941a3d5c8f8163abad8e3a2a5e99f668a6ae00ffe",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-15T05:11:43Z",
    "title_canon_sha256": "b94c4e5818827ce977fd2ac9205a7d2e141abe39656aacaa08cf38bd8ebfc264"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.15622",
    "kind": "arxiv",
    "version": 2
  }
}