Pith Number

pith:JNOHV5J2

pith:2025:JNOHV5J2VD3Q4ANRLWUN4KKGF5

not attested not anchored not stored refs pending

Stabilizing Black-Box Prompt Optimization with Textual Regularization and Signal Aggregation

Eugene Belilovsky, MohammadReza Davari, Utkarsh Garg, Weixin Cai

arxiv:2507.09839 v2 · 2025-07-14 · 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{JNOHV5J2VD3Q4ANRLWUN4KKGF5}

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	2026-06-24T01:14:21.186489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b5c7af53aa8f70e01b15da8de29462f76aed0c5ced7390cac8b9371c6c1fa46

Aliases

arxiv: 2507.09839 · arxiv_version: 2507.09839v2 · doi: 10.48550/arxiv.2507.09839 · pith_short_12: JNOHV5J2VD3Q · pith_short_16: JNOHV5J2VD3Q4ANR · pith_short_8: JNOHV5J2

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/JNOHV5J2VD3Q4ANRLWUN4KKGF5 \
  | 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: 4b5c7af53aa8f70e01b15da8de29462f76aed0c5ced7390cac8b9371c6c1fa46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98390974a2b290faa3597214641f265cabd8b7e914e1a639e2610d65ca2c35bc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-07-14T00:20:14Z",
    "title_canon_sha256": "aa68f11cb913da7e3cd162c95c890d850491d534b6904a3051d18b526f12f907"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.09839",
    "kind": "arxiv",
    "version": 2
  }
}