Pith Number

pith:PI7RDSWD

pith:2015:PI7RDSWDX3W7KQIE2KFT5IHZOD

not attested not anchored not stored refs pending

RSG: Beating Subgradient Method without Smoothness and Strong Convexity

Qihang Lin, Tianbao Yang

arxiv:1512.03107 v14 · 2015-12-09 · math.OC · 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{PI7RDSWDX3W7KQIE2KFT5IHZOD}

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	2026-05-18T00:01:10.816204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a3f11cac3beedf54104d28b3ea0f970c15055f8705a218ff188224da0d4ad2e

Aliases

arxiv: 1512.03107 · arxiv_version: 1512.03107v14 · doi: 10.48550/arxiv.1512.03107 · pith_short_12: PI7RDSWDX3W7 · pith_short_16: PI7RDSWDX3W7KQIE · pith_short_8: PI7RDSWD

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/PI7RDSWDX3W7KQIE2KFT5IHZOD \
  | 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: 7a3f11cac3beedf54104d28b3ea0f970c15055f8705a218ff188224da0d4ad2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e295f83b0c40bfcea5c48917d6a96839b63e00ad48bca9933fa640ff18d45b0",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-12-09T22:58:21Z",
    "title_canon_sha256": "ae7b63f8ce220fd52ab73ae7d0143706659cef29840a85dbc980f0449c5023a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.03107",
    "kind": "arxiv",
    "version": 14
  }
}