Pith Number

pith:VKYUWEBW

pith:2019:VKYUWEBW6IFDCZI5D2MAMX5TYC

not attested not anchored not stored refs pending

Stochastic Iterative Hard Thresholding for Graph-structured Sparsity Optimization

Baojian Zhou, Feng Chen, Yiming Ying

arxiv:1905.03652 v1 · 2019-05-09 · cs.LG · cs.AI · 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{VKYUWEBW6IFDCZI5D2MAMX5TYC}

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	2026-05-17T23:46:37.076342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aab14b1036f20a31651d1e98065fb3c091345f8a25f63662d404fa6415046f63

Aliases

arxiv: 1905.03652 · arxiv_version: 1905.03652v1 · doi: 10.48550/arxiv.1905.03652 · pith_short_12: VKYUWEBW6IFD · pith_short_16: VKYUWEBW6IFDCZI5 · pith_short_8: VKYUWEBW

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/VKYUWEBW6IFDCZI5D2MAMX5TYC \
  | 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: aab14b1036f20a31651d1e98065fb3c091345f8a25f63662d404fa6415046f63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a18810dfadb3b3467779ba907a19a673b3136fed058250d9669ee7e989ab7211",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-05-09T14:24:43Z",
    "title_canon_sha256": "77e8eed5e72b65b914e566dc3a5276e84e7f321e979604a2bc3190f7a6931e9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.03652",
    "kind": "arxiv",
    "version": 1
  }
}