Pith Number

pith:VJQXT7DU

pith:2018:VJQXT7DU7TTILBU2FQYTES4HXN

not attested not anchored not stored refs pending

The Complexity of Primal-Dual Fixed Point Methods for Ridge Regression

Ademir Alves Riberio, Peter Richt\'arik

arxiv:1801.06354 v1 · 2018-01-19 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VJQXT7DU7TTILBU2FQYTES4HXN}

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	2026-05-18T00:25:30.419645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa6179fc74fce685869a2c31324b87bb6955d81e113c4f25861f104090298e34

Aliases

arxiv: 1801.06354 · arxiv_version: 1801.06354v1 · doi: 10.48550/arxiv.1801.06354 · pith_short_12: VJQXT7DU7TTI · pith_short_16: VJQXT7DU7TTILBU2 · pith_short_8: VJQXT7DU

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/VJQXT7DU7TTILBU2FQYTES4HXN \
  | 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: aa6179fc74fce685869a2c31324b87bb6955d81e113c4f25861f104090298e34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6c3829ba77cccc1759c656b6a875b18ce5ba3c74bba9347c3805b18421a3057",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-01-19T10:19:07Z",
    "title_canon_sha256": "812062173f9eb862c62de53a8d12b9139cbe90be6392741582d6227c70c348d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06354",
    "kind": "arxiv",
    "version": 1
  }
}