Pith Number

pith:RKLF66AK

pith:2020:RKLF66AKAMJJYYXDSXQBD2ZSWP

not attested not anchored not stored refs pending

Debiasing Stochastic Gradient Descent to handle missing values

Aude Sportisse (LPSM (UMR\_8001)), Aymeric Dieuleveut (CMAP), Claire Boyer (LPSM UMR 8001, DMA), Julie Josse (CMAP)

arxiv:2002.09338 v2 · 2020-02-21 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RKLF66AKAMJJYYXDSXQBD2ZSWP}

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	2026-07-05T01:08:28.004538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a965f780a03129c62e395e011eb32b3ed223fbbe2112693044670194074d841

Aliases

arxiv: 2002.09338 · arxiv_version: 2002.09338v2 · doi: 10.48550/arxiv.2002.09338 · pith_short_12: RKLF66AKAMJJ · pith_short_16: RKLF66AKAMJJYYXD · pith_short_8: RKLF66AK

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/RKLF66AKAMJJYYXDSXQBD2ZSWP \
  | 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: 8a965f780a03129c62e395e011eb32b3ed223fbbe2112693044670194074d841

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3d7fdf330c5891a26936d44f1d4895f2895434ea4ad71fa546efcb2519fb4fa",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2020-02-21T14:49:24Z",
    "title_canon_sha256": "55351310e5bcb1845d2634e9c1105cdba5f4b2bc7977c60a8bf03829f13cc775"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.09338",
    "kind": "arxiv",
    "version": 2
  }
}