Pith Number

pith:FFSKMYMN

pith:2012:FFSKMYMNGTFPJ7FOHUMFA7S2BV

not attested not anchored not stored refs pending

Comunication-Efficient Algorithms for Statistical Optimization

John C. Duchi, Martin Wainwright, Yuchen Zhang

arxiv:1209.4129 v3 · 2012-09-19 · stat.ML · cs.LG · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FFSKMYMNGTFPJ7FOHUMFA7S2BV}

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	2026-05-18T03:10:44.737085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2964a6618d34caf4fcae3d18507e5a0d661d8cbe42e35c6469512d8efec030bf

Aliases

arxiv: 1209.4129 · arxiv_version: 1209.4129v3 · doi: 10.48550/arxiv.1209.4129 · pith_short_12: FFSKMYMNGTFP · pith_short_16: FFSKMYMNGTFPJ7FO · pith_short_8: FFSKMYMN

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/FFSKMYMNGTFPJ7FOHUMFA7S2BV \
  | 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: 2964a6618d34caf4fcae3d18507e5a0d661d8cbe42e35c6469512d8efec030bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7be0cedc752b428d9f0aecff5edb8c4f48f2e3a77507e3e2c0443bd1f3069d47",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2012-09-19T01:27:40Z",
    "title_canon_sha256": "3d3a06ab3cb29facf48fa293a7836f66c117573ef7b153348708fd3972a04927"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4129",
    "kind": "arxiv",
    "version": 3
  }
}