Pith Number

pith:YUOFI5J3

pith:2018:YUOFI5J3RUR3EUJNL3WGCNEQI2

not attested not anchored not stored refs pending

SPI-Optimizer: an integral-Separated PI Controller for Stochastic Optimization

Dan Wang, Haoqian Wang, Lu Fang, Mengqi Ji, Yong Wang

arxiv:1812.11305 v2 · 2018-12-29 · 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{YUOFI5J3RUR3EUJNL3WGCNEQI2}

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	2026-05-17T23:55:33.830119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c51c54753b8d23b2512d5eec61349046949c3742975a277f272a1246d8fa4b37

Aliases

arxiv: 1812.11305 · arxiv_version: 1812.11305v2 · doi: 10.48550/arxiv.1812.11305 · pith_short_12: YUOFI5J3RUR3 · pith_short_16: YUOFI5J3RUR3EUJN · pith_short_8: YUOFI5J3

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/YUOFI5J3RUR3EUJNL3WGCNEQI2 \
  | 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: c51c54753b8d23b2512d5eec61349046949c3742975a277f272a1246d8fa4b37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "335ba9f20d302874fde38461b2f2aaf24771bc8a1a73fbfe168cb180579f63e1",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-12-29T07:41:57Z",
    "title_canon_sha256": "0050f613230b4382347fc7bbc1af3794de964a68a270556b42d408dbff9b038f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11305",
    "kind": "arxiv",
    "version": 2
  }
}