Pith Number

pith:SZMJ446V

pith:2019:SZMJ446VHFF4X24FHI7HNG23RG

not attested not anchored not stored refs pending

Stochastic Gradient Descent with Polyak's Learning Rate

Adam M. Oberman, Mariana Prazeres

arxiv:1903.08688 v2 · 2019-03-20 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SZMJ446VHFF4X24FHI7HNG23RG}

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	2026-05-17T23:40:49.070787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96589e73d5394bcbeb853a3e769b5b89ba7dbd2af3b8f9165fd22a07290a5f22

Aliases

arxiv: 1903.08688 · arxiv_version: 1903.08688v2 · doi: 10.48550/arxiv.1903.08688 · pith_short_12: SZMJ446VHFF4 · pith_short_16: SZMJ446VHFF4X24F · pith_short_8: SZMJ446V

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/SZMJ446VHFF4X24FHI7HNG23RG \
  | 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: 96589e73d5394bcbeb853a3e769b5b89ba7dbd2af3b8f9165fd22a07290a5f22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "429a17cf5a4c4ff1b54f4b5629c7c775ff05d64e6609e5a5df560c158d62d501",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-03-20T18:33:11Z",
    "title_canon_sha256": "6af506d9e384a51cc960e664226743d81eac518a21918535ef431174f3d14cc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08688",
    "kind": "arxiv",
    "version": 2
  }
}