Pith Number

pith:NHFWPBLI

pith:2019:NHFWPBLIDNXT4SK4CL4XG6DVGA

not attested not anchored not stored refs pending

Primal-dual block-proximal splitting for a class of non-convex problems

Jyrki Jauhiainen, Stanislav Mazurenko, Tuomo Valkonen

arxiv:1911.06284 v2 · 2019-11-14 · math.OC · cs.NA · 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{NHFWPBLIDNXT4SK4CL4XG6DVGA}

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	2026-07-05T01:37:40.412339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69cb6785681b6f3e495c12f97378753009a7d0c950cf6928c58fc2a86331d4dc

Aliases

arxiv: 1911.06284 · arxiv_version: 1911.06284v2 · doi: 10.48550/arxiv.1911.06284 · pith_short_12: NHFWPBLIDNXT · pith_short_16: NHFWPBLIDNXT4SK4 · pith_short_8: NHFWPBLI

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/NHFWPBLIDNXT4SK4CL4XG6DVGA \
  | 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: 69cb6785681b6f3e495c12f97378753009a7d0c950cf6928c58fc2a86331d4dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "263f00edb44dc080484c9ff79a99f565dd4134eafa95a6a2118622848f54184d",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-11-14T18:05:15Z",
    "title_canon_sha256": "47d05eaa6d6698934c07236cee81a5c07e1b5ee4ddfa40c9fa35cee5f233bee6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.06284",
    "kind": "arxiv",
    "version": 2
  }
}