Pith Number

pith:XU4OPDBE

pith:2018:XU4OPDBE4HCJFHZU5THCQ4DICJ

not attested not anchored not stored refs pending

Efficiently testing local optimality and escaping saddles for ReLU networks

Ali Jadbabaie, Chulhee Yun, Suvrit Sra

arxiv:1809.10858 v2 · 2018-09-28 · math.OC · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XU4OPDBE4HCJFHZU5THCQ4DICJ}

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	2026-05-17T23:44:49.552807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd38e78c24e1c4929f34ecce287068124b4dec3827da0d3fbf8783764d1ac1d9

Aliases

arxiv: 1809.10858 · arxiv_version: 1809.10858v2 · doi: 10.48550/arxiv.1809.10858 · pith_short_12: XU4OPDBE4HCJ · pith_short_16: XU4OPDBE4HCJFHZU · pith_short_8: XU4OPDBE

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/XU4OPDBE4HCJFHZU5THCQ4DICJ \
  | 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: bd38e78c24e1c4929f34ecce287068124b4dec3827da0d3fbf8783764d1ac1d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c671be2df6d5bc1f4604eab050768a71d59167223eee6a1672e6b261023dec6",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-09-28T04:53:03Z",
    "title_canon_sha256": "76624da48bd8f02f1c271cfff90f644cf8a489729b22fc44a510da592d03effc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10858",
    "kind": "arxiv",
    "version": 2
  }
}