Pith Number

pith:N6EHFQ4S

pith:2026:N6EHFQ4SAMOO2YAEHDLKBYNFCO

not attested not anchored not stored refs pending

Dominant-Layer ZO: A Single Layer Dominates Zeroth-Order Fine-Tuning of LLMs

Abeer Matar Almalky, Adnan Siraj Rakin, Deliang Fan, Li Yang, Sen Lin, Shuteng Niu, Wanhao Yu, Yihang Zuo, Zheng Wang, Ziyan Wang

arxiv:2606.05516 v1 · 2026-06-03 · 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{N6EHFQ4SAMOO2YAEHDLKBYNFCO}

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	2026-06-05T01:14:53.455631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f8872c392031ced600438d6a0e1a513b29115d92ccf4f6265e3e839fcd66158

Aliases

arxiv: 2606.05516 · arxiv_version: 2606.05516v1 · doi: 10.48550/arxiv.2606.05516 · pith_short_12: N6EHFQ4SAMOO · pith_short_16: N6EHFQ4SAMOO2YAE · pith_short_8: N6EHFQ4S

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/N6EHFQ4SAMOO2YAEHDLKBYNFCO \
  | 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: 6f8872c392031ced600438d6a0e1a513b29115d92ccf4f6265e3e839fcd66158

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11cbbd0a7f762409cb14dd72e1f7e55575ef69fc655441291014f8c46f1278cf",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-03T23:42:09Z",
    "title_canon_sha256": "2a1d9091cd71edc5c696910b20f29a5fad700b2edbc9e4b48efb43bc913a3ad2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05516",
    "kind": "arxiv",
    "version": 1
  }
}