Pith Number

pith:5Y5UVXGF

pith:2022:5Y5UVXGF2VFXY4MG7HV73OFTP2

not attested not anchored not stored refs pending

Escaping saddle points in zeroth-order optimization: the power of two-point estimators

Na Li, Yujie Tang, Zhaolin Ren

arxiv:2209.13555 v3 · 2022-09-27 · 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{5Y5UVXGF2VFXY4MG7HV73OFTP2}

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	2026-07-05T06:08:09.352373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee3b4adcc5d54b7c7186f9ebfdb8b37ead17659bcb63066b0274e25dc0e19293

Aliases

arxiv: 2209.13555 · arxiv_version: 2209.13555v3 · doi: 10.48550/arxiv.2209.13555 · pith_short_12: 5Y5UVXGF2VFX · pith_short_16: 5Y5UVXGF2VFXY4MG · pith_short_8: 5Y5UVXGF

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/5Y5UVXGF2VFXY4MG7HV73OFTP2 \
  | 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: ee3b4adcc5d54b7c7186f9ebfdb8b37ead17659bcb63066b0274e25dc0e19293

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7c8ab2871a36470c171727863ccbfafd976fcc2334e5f9a6bfc1f8a6a430c7e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2022-09-27T17:09:54Z",
    "title_canon_sha256": "1c7dd55f5ddad4e3ac349f46642969f5ba7ecab10cadee27cc9d8731a595dfc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.13555",
    "kind": "arxiv",
    "version": 3
  }
}