Pith Number

pith:YWGZE6AI

pith:2025:YWGZE6AI4C2FDBL7RFIK2M5AU7

not attested not anchored not stored refs pending

Learning a Zeroth-Order Optimizer for Fine-Tuning LLMs

Haoyu Li, Huan Zhang, Kairun Zhang, Yanjun Zhao, Yifan Sun

arxiv:2510.00419 v2 · 2025-10-01 · 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{YWGZE6AI4C2FDBL7RFIK2M5AU7}

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	2026-06-01T01:02:22.072909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c58d927808e0b451857f8950ad33a0a7cb4ca0ac55572d993f71577f3623be88

Aliases

arxiv: 2510.00419 · arxiv_version: 2510.00419v2 · doi: 10.48550/arxiv.2510.00419 · pith_short_12: YWGZE6AI4C2F · pith_short_16: YWGZE6AI4C2FDBL7 · pith_short_8: YWGZE6AI

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/YWGZE6AI4C2FDBL7RFIK2M5AU7 \
  | 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: c58d927808e0b451857f8950ad33a0a7cb4ca0ac55572d993f71577f3623be88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffb3948a508989e8ede5702657ee4b4027e8b8fcced5153ffcac1f7ad7ea97f9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-10-01T02:01:07Z",
    "title_canon_sha256": "cadfa8e3346c537d8bbc03384585c3e7d74fc88041f1111e4cf36c74ffa44ca5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.00419",
    "kind": "arxiv",
    "version": 2
  }
}