Pith Number

pith:C5ZGEC7N

pith:2012:C5ZGEC7NYTZQB32KDXDUPVOBZM

not attested not anchored not stored refs pending

Parallel Coordinate Descent Methods for Big Data Optimization

Martin Tak\'a\v{c}, Peter Richt\'arik

arxiv:1212.0873 v2 · 2012-12-04 · math.OC · 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{C5ZGEC7NYTZQB32KDXDUPVOBZM}

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	2026-05-18T03:06:13.624391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1772620bedc4f300ef4a1dc747d5c1cb252f3f7ca290c5f9f6cf885c835e8070

Aliases

arxiv: 1212.0873 · arxiv_version: 1212.0873v2 · doi: 10.48550/arxiv.1212.0873 · pith_short_12: C5ZGEC7NYTZQ · pith_short_16: C5ZGEC7NYTZQB32K · pith_short_8: C5ZGEC7N

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/C5ZGEC7NYTZQB32KDXDUPVOBZM \
  | 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: 1772620bedc4f300ef4a1dc747d5c1cb252f3f7ca290c5f9f6cf885c835e8070

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97f3889c846ea5619c5afb5bacd6813a011523a5acec527c9d896e9f394e6c2b",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2012-12-04T21:10:37Z",
    "title_canon_sha256": "d03d16c970118982fa938c5d48852a123ceeeabc8f04e1f83b6e8c20617c4200"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.0873",
    "kind": "arxiv",
    "version": 2
  }
}