Pith Number

pith:IEYKYHJQ

pith:2016:IEYKYHJQGTL4SPLPPKLZUBFLJD

not attested not anchored not stored refs pending

A stochastic coordinate descent primal-dual algorithm with dynamic stepsize for large-scale composite optimization

Jigen Peng, Meng Wen, Shigang Yue, Yuchao Tang

arxiv:1604.04172 v1 · 2016-04-14 · 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{IEYKYHJQGTL4SPLPPKLZUBFLJD}

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	2026-05-18T01:17:06.328236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4130ac1d3034d7c93d6f7a979a04ab48e99cb8662ea75dd5d7f97d267994cd5d

Aliases

arxiv: 1604.04172 · arxiv_version: 1604.04172v1 · doi: 10.48550/arxiv.1604.04172 · pith_short_12: IEYKYHJQGTL4 · pith_short_16: IEYKYHJQGTL4SPLP · pith_short_8: IEYKYHJQ

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/IEYKYHJQGTL4SPLPPKLZUBFLJD \
  | 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: 4130ac1d3034d7c93d6f7a979a04ab48e99cb8662ea75dd5d7f97d267994cd5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f8d62902c4e468b8c4e94a163da963a6c8420dc1bf67af22dfebcf49bd09042",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-04-14T14:42:51Z",
    "title_canon_sha256": "61e145f741b74d8b40e3ae8d987e6dd8ad775765b5a43959f783614b50184050"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04172",
    "kind": "arxiv",
    "version": 1
  }
}