Pith Number

pith:HUEREJZ3

pith:2017:HUEREJZ3ZWAHPUCUF4QZTAL2VZ

not attested not anchored not stored refs pending

Accelerated Stochastic Greedy Coordinate Descent by Soft Thresholding Projection onto Simplex

Chaobing Song, Shaobo Cui, Shu-Tao Xia, Yong Jiang

arxiv:1702.07842 v2 · 2017-02-25 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HUEREJZ3ZWAHPUCUF4QZTAL2VZ}

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	2026-05-18T00:41:47.749253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d0912273bcd8077d0542f2199817aae71c811477dedd71af0361dafdc376c54

Aliases

arxiv: 1702.07842 · arxiv_version: 1702.07842v2 · doi: 10.48550/arxiv.1702.07842 · pith_short_12: HUEREJZ3ZWAH · pith_short_16: HUEREJZ3ZWAHPUCU · pith_short_8: HUEREJZ3

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/HUEREJZ3ZWAHPUCUF4QZTAL2VZ \
  | 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: 3d0912273bcd8077d0542f2199817aae71c811477dedd71af0361dafdc376c54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e38106207e45bb76ce2a0a80d672df1317740bd8dd9447f1661849916f6c3c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-02-25T07:06:09Z",
    "title_canon_sha256": "bace09ad1aac5f20f004954531968422474b15d2e46e0050b576ff2dfbf02d94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07842",
    "kind": "arxiv",
    "version": 2
  }
}