Pith Number

pith:K6SP4KZX

pith:2015:K6SP4KZXJIOQFDLZTMZ3NDBV46

not attested not anchored not stored refs pending

On the Complexity of Parallel Coordinate Descent

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

arxiv:1503.03033 v1 · 2015-03-10 · 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{K6SP4KZXJIOQFDLZTMZ3NDBV46}

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	2026-05-18T02:25:12.520827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57a4fe2b374a1d028d799b33b68c35e78fff154cdc9a1731e145ff5b27f91399

Aliases

arxiv: 1503.03033 · arxiv_version: 1503.03033v1 · doi: 10.48550/arxiv.1503.03033 · pith_short_12: K6SP4KZXJIOQ · pith_short_16: K6SP4KZXJIOQFDLZ · pith_short_8: K6SP4KZX

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/K6SP4KZXJIOQFDLZTMZ3NDBV46 \
  | 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: 57a4fe2b374a1d028d799b33b68c35e78fff154cdc9a1731e145ff5b27f91399

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dba7dcf882949415819259b881897a76ee2dbe561d4591edccbbd754c4d86f8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-03-10T18:41:27Z",
    "title_canon_sha256": "ef5198c60bb78aa00e5ab2c9f32e81a76258ac151980d03e05bdd424d4de276e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03033",
    "kind": "arxiv",
    "version": 1
  }
}