Pith Number

pith:XPRJST7K

pith:2019:XPRJST7KI6AZI6TKWLJKSUBBBH

not attested not anchored not stored refs pending

SGD momentum optimizer with step estimation by online parabola model

Jarek Duda

arxiv:1907.07063 v3 · 2019-07-16 · 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{XPRJST7KI6AZI6TKWLJKSUBBBH}

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	2026-07-05T00:24:39.502523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbe2994fea4781947a6ab2d2a9502109dba8daee73d7726073888fc32d4b4046

Aliases

arxiv: 1907.07063 · arxiv_version: 1907.07063v3 · doi: 10.48550/arxiv.1907.07063 · pith_short_12: XPRJST7KI6AZ · pith_short_16: XPRJST7KI6AZI6TK · pith_short_8: XPRJST7K

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/XPRJST7KI6AZI6TKWLJKSUBBBH \
  | 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: bbe2994fea4781947a6ab2d2a9502109dba8daee73d7726073888fc32d4b4046

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97a761314674df3c92dbd50a2cc7a55229b312529dc53255a6456e2ff991e4fc",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-07-16T15:22:34Z",
    "title_canon_sha256": "95ed784b62eb59dafd2642ed3b0d0d227ed3b25bf4d4a82b7d02b6b388f8439e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07063",
    "kind": "arxiv",
    "version": 3
  }
}