Pith Number

pith:KR7JNAQB

pith:2017:KR7JNAQBMFJ7S7IWRS3AFGVNAW

not attested not anchored not stored refs pending

Breaking the Nonsmooth Barrier: A Scalable Parallel Method for Composite Optimization

Fabian Pedregosa, R\'emi Leblond, Simon Lacoste-Julien

arxiv:1707.06468 v3 · 2017-07-20 · math.OC · cs.LG · 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{KR7JNAQBMFJ7S7IWRS3AFGVNAW}

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	2026-05-18T00:31:19.107138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

547e9682016153f97d168cb6029aad0589598951ae83e457adc16af1bd2bd135

Aliases

arxiv: 1707.06468 · arxiv_version: 1707.06468v3 · doi: 10.48550/arxiv.1707.06468 · pith_short_12: KR7JNAQBMFJ7 · pith_short_16: KR7JNAQBMFJ7S7IW · pith_short_8: KR7JNAQB

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/KR7JNAQBMFJ7S7IWRS3AFGVNAW \
  | 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: 547e9682016153f97d168cb6029aad0589598951ae83e457adc16af1bd2bd135

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efb076f2c7f1e0c14ef824c496c9e7ada8dc7be1b2fbd8dba7450d7609ed0e1b",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-07-20T12:14:31Z",
    "title_canon_sha256": "5c24982c1d2ba47ba4373513a24da6d340ac0da63356dcab3fec77990616d85d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.06468",
    "kind": "arxiv",
    "version": 3
  }
}