Pith Number

pith:FWQG5WDS

pith:2025:FWQG5WDSS5WMNBCFYQR7REXS4W

not attested not anchored not stored refs pending

Accelerating Single-Point Zeroth-Order Optimization with Regression-Based Gradient Surrogates

Xin Chen, Zhaolin Ren

arxiv:2507.04223 v3 · 2025-07-06 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FWQG5WDSS5WMNBCFYQR7REXS4W}

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	2026-08-18T01:11:48.032219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2da06ed872976cc68445c423f892f2e58ec33c9491aa3e3ed63a2191cc35e7a7

Aliases

arxiv: 2507.04223 · arxiv_version: 2507.04223v3 · doi: 10.48550/arxiv.2507.04223 · pith_short_12: FWQG5WDSS5WM · pith_short_16: FWQG5WDSS5WMNBCF · pith_short_8: FWQG5WDS

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/FWQG5WDSS5WMNBCFYQR7REXS4W \
  | 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: 2da06ed872976cc68445c423f892f2e58ec33c9491aa3e3ed63a2191cc35e7a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb1c400fb1176a07538d0ff55a3c0d3de0d36ac0de7dd703b012d38419a02578",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-07-06T03:26:52Z",
    "title_canon_sha256": "4db4333a337cf808a95990cfa644d8ef82fab35b4fdb901c78a17555bab211e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.04223",
    "kind": "arxiv",
    "version": 3
  }
}