Pith Number

pith:KV4D4WFA

pith:2015:KV4D4WFALV5NCZQ7VKGJKIXXCC

not attested not anchored not stored refs pending

Stop Wasting My Gradients: Practical SVRG

Alim Virani, Jakub Kone\v{c}n\'y, Mark Schmidt, Mohamed Osama Ahmed, Reza Babanezhad, Scott Sallinen

arxiv:1511.01942 v1 · 2015-11-05 · cs.LG · math.OC · stat.CO · 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{KV4D4WFALV5NCZQ7VKGJKIXXCC}

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	2026-05-18T01:09:51.800939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55783e58a05d7ad1661faa8c9522f710a0dcf254d376d59da02f525e58f1270a

Aliases

arxiv: 1511.01942 · arxiv_version: 1511.01942v1 · doi: 10.48550/arxiv.1511.01942 · pith_short_12: KV4D4WFALV5N · pith_short_16: KV4D4WFALV5NCZQ7 · pith_short_8: KV4D4WFA

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/KV4D4WFALV5NCZQ7VKGJKIXXCC \
  | 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: 55783e58a05d7ad1661faa8c9522f710a0dcf254d376d59da02f525e58f1270a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9ce7f2473239f03850aa63fb6fbfff0adc5352edf473258f7e5e554bf0821d1",
    "cross_cats_sorted": [
      "math.OC",
      "stat.CO",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-11-05T22:45:12Z",
    "title_canon_sha256": "c2ef1fa7f1722110eeb536041b6b55e7a956e242bf9c8a23fa93fb10fdfb5eb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01942",
    "kind": "arxiv",
    "version": 1
  }
}