Pith Number

pith:6QRNDE3F

pith:2014:6QRNDE3FA7TOWNXZTGHSQYN6JB

not attested not anchored not stored refs pending

Iteration complexity analysis of random coordinate descent methods for $\ell_0$ regularized convex problems

Andrei Patrascu, Ion Necoara

arxiv:1403.6622 v2 · 2014-03-26 · 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{6QRNDE3FA7TOWNXZTGHSQYN6JB}

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	2026-05-18T02:47:22.927605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f422d1936507e6eb36f9998f2861be48442cff0aab8259fe111727498f21bf62

Aliases

arxiv: 1403.6622 · arxiv_version: 1403.6622v2 · doi: 10.48550/arxiv.1403.6622 · pith_short_12: 6QRNDE3FA7TO · pith_short_16: 6QRNDE3FA7TOWNXZ · pith_short_8: 6QRNDE3F

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/6QRNDE3FA7TOWNXZTGHSQYN6JB \
  | 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: f422d1936507e6eb36f9998f2861be48442cff0aab8259fe111727498f21bf62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04506ea94c21ed7c0ade24572113edfc236c715c6ded08a02b6e41e122fc2895",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-03-26T10:42:52Z",
    "title_canon_sha256": "ac3ab20c873afc8ec5f84d67a928127bc0c65f15d9fec17b284b61f3e96b55b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.6622",
    "kind": "arxiv",
    "version": 2
  }
}