Pith Number

pith:GITKW4WE

pith:2016:GITKW4WEGGY476I6N6XVQLXVJI

not attested not anchored not stored refs pending

Homotopy Smoothing for Non-Smooth Problems with Lower Complexity than $O(1/\epsilon)$

Qihang Lin, Tianbao Yang, Yan Yan, Yi Xu

arxiv:1607.03815 v2 · 2016-07-13 · 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{GITKW4WEGGY476I6N6XVQLXVJI}

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	2026-05-18T01:00:19.172507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3226ab72c431b1cff91e6faf582ef54a1de15fd6fada1b47fcbdb08fad10568c

Aliases

arxiv: 1607.03815 · arxiv_version: 1607.03815v2 · doi: 10.48550/arxiv.1607.03815 · pith_short_12: GITKW4WEGGY4 · pith_short_16: GITKW4WEGGY476I6 · pith_short_8: GITKW4WE

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/GITKW4WEGGY476I6N6XVQLXVJI \
  | 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: 3226ab72c431b1cff91e6faf582ef54a1de15fd6fada1b47fcbdb08fad10568c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3687f61e0aec6f4ab132a81e1358b05fda5fe75eedac0b8c0ead5b0aa9bbd024",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-07-13T16:20:52Z",
    "title_canon_sha256": "32ca7e1bfbf38fd300ac85957f16127d51fa455e2ae376faa6c02219a5aac957"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.03815",
    "kind": "arxiv",
    "version": 2
  }
}