Pith Number

pith:E22MLLXU

pith:2025:E22MLLXUXAL4SGF4G2VF33PXOV

not attested not anchored not stored refs pending

Linearly Convergent Algorithms for Nonsmooth Problems with Unknown Smooth Pieces

Suvrit Sra, Zhe Zhang

arxiv:2507.19465 v1 · 2025-07-25 · math.OC · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E22MLLXUXAL4SGF4G2VF33PXOV}

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	2026-07-05T11:43:25.704573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26b4c5aef4b817c918bc36aa5dedf77557aa36c78e3d1135506aba5bce2748e4

Aliases

arxiv: 2507.19465 · arxiv_version: 2507.19465v1 · doi: 10.48550/arxiv.2507.19465 · pith_short_12: E22MLLXUXAL4 · pith_short_16: E22MLLXUXAL4SGF4 · pith_short_8: E22MLLXU

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/E22MLLXUXAL4SGF4G2VF33PXOV \
  | 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: 26b4c5aef4b817c918bc36aa5dedf77557aa36c78e3d1135506aba5bce2748e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "649856bcf001318cced5f0e3c3fe0dd7be5dc1fe607c82b428b35f115bc02fd0",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-07-25T17:50:43Z",
    "title_canon_sha256": "d4ae4974f9788a0e9532b5a8ed460d447a2a6f961eec2aab75721135b54d5e2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.19465",
    "kind": "arxiv",
    "version": 1
  }
}