Pith Number

pith:2IAFZKJ3

pith:2015:2IAFZKJ3P2HPWGQ7HZD56DYW4H

not attested not anchored not stored refs pending

Adding vs. Averaging in Distributed Primal-Dual Optimization

Chenxin Ma, Martin Jaggi, Martin Tak\'a\v{c}, Michael I. Jordan, Peter Richt\'arik, Virginia Smith

arxiv:1502.03508 v2 · 2015-02-12 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2IAFZKJ3P2HPWGQ7HZD56DYW4H}

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	2026-05-18T01:37:23.189157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2005ca93b7e8efb1a1f3e47df0f16e1e07804270b8f9fae086c9b79f8506e19

Aliases

arxiv: 1502.03508 · arxiv_version: 1502.03508v2 · doi: 10.48550/arxiv.1502.03508 · pith_short_12: 2IAFZKJ3P2HP · pith_short_16: 2IAFZKJ3P2HPWGQ7 · pith_short_8: 2IAFZKJ3

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/2IAFZKJ3P2HPWGQ7HZD56DYW4H \
  | 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: d2005ca93b7e8efb1a1f3e47df0f16e1e07804270b8f9fae086c9b79f8506e19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5362244313d23ab90c38d345159a4251c12738fe639f8debc347e23d926ebb35",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-02-12T01:51:08Z",
    "title_canon_sha256": "038951159c07b0248989302bc723e2d4d2f289ff4dbdadf31036a93ac124f05d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03508",
    "kind": "arxiv",
    "version": 2
  }
}