Pith Number

pith:LB247RW4

pith:2019:LB247RW4XX6O4X2QSRUGQJCODT

not attested not anchored not stored refs pending

Learning-to-Learn Stochastic Gradient Descent with Biased Regularization

Carlo Ciliberto, Giulia Denevi, Massimiliano Pontil, Riccardo Grazzi

arxiv:1903.10399 v1 · 2019-03-25 · 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{LB247RW4XX6O4X2QSRUGQJCODT}

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	2026-05-17T23:50:29.542196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5875cfc6dcbdfcee5f50946868244e1cc731414608642b4057e3149f0df61cab

Aliases

arxiv: 1903.10399 · arxiv_version: 1903.10399v1 · doi: 10.48550/arxiv.1903.10399 · pith_short_12: LB247RW4XX6O · pith_short_16: LB247RW4XX6O4X2Q · pith_short_8: LB247RW4

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/LB247RW4XX6O4X2QSRUGQJCODT \
  | 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: 5875cfc6dcbdfcee5f50946868244e1cc731414608642b4057e3149f0df61cab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "057b630e6cad76f1f40729178dcf8d2dd28152fa05aa37dc7a9b7e2937e7b761",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-03-25T15:26:56Z",
    "title_canon_sha256": "dd4b268f20ad9b9b2598338e9a251c4cc7e726b687146f01ad3dda8ac187f7bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10399",
    "kind": "arxiv",
    "version": 1
  }
}