Pith Number

pith:Q6UPZZ55

pith:2018:Q6UPZZ55GVSPBWIH2X5WUL7B2H

not attested not anchored not stored refs pending

On the Sublinear Convergence of Randomly Perturbed Alternating Gradient Descent to Second Order Stationary Solutions

Mingyi Hong, Songtao Lu, Zhengdao Wang

arxiv:1802.10418 v1 · 2018-02-28 · math.OC · cs.IT · math.IT · 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{Q6UPZZ55GVSPBWIH2X5WUL7B2H}

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	2026-05-18T00:22:17.207641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87a8fce7bd3564f0d907d5fb6a2fe1d1c788966fd334817880303686eaaa96a1

Aliases

arxiv: 1802.10418 · arxiv_version: 1802.10418v1 · doi: 10.48550/arxiv.1802.10418 · pith_short_12: Q6UPZZ55GVSP · pith_short_16: Q6UPZZ55GVSPBWIH · pith_short_8: Q6UPZZ55

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/Q6UPZZ55GVSPBWIH2X5WUL7B2H \
  | 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: 87a8fce7bd3564f0d907d5fb6a2fe1d1c788966fd334817880303686eaaa96a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06ede88e50d7d04ed8f80e29f37e1b359ad41e6d312730c41ac9edbe007a36ae",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-02-28T14:04:35Z",
    "title_canon_sha256": "e39ebd5796e06388027840f637fa19d9a638ec5ffdda98a446b1c7b1df8d14d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.10418",
    "kind": "arxiv",
    "version": 1
  }
}