Pith Number

pith:BWZ7FVP4

pith:2017:BWZ7FVP4YRCUNTVMW3HCYCLVGR

not attested not anchored not stored refs pending

Block-Simultaneous Direction Method of Multipliers: A proximal primal-dual splitting algorithm for nonconvex problems with multiple constraints

Fred Moolekamp, Peter Melchior

arxiv:1708.09066 v1 · 2017-08-30 · math.OC · cs.CV · 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{BWZ7FVP4YRCUNTVMW3HCYCLVGR}

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	2026-05-17T23:55:34.690348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0db3f2d5fcc44546ceacb6ce2c097534447525f7349fc549aa4765f0253977f5

Aliases

arxiv: 1708.09066 · arxiv_version: 1708.09066v1 · doi: 10.48550/arxiv.1708.09066 · pith_short_12: BWZ7FVP4YRCU · pith_short_16: BWZ7FVP4YRCUNTVM · pith_short_8: BWZ7FVP4

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/BWZ7FVP4YRCUNTVMW3HCYCLVGR \
  | 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: 0db3f2d5fcc44546ceacb6ce2c097534447525f7349fc549aa4765f0253977f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e747f484bb5aee499ad8046b2fb0f2872a19c20c7a8ea81b05b4bfc25ba6861",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-08-30T00:15:50Z",
    "title_canon_sha256": "d6802951a92b552821ee985349da0b92b6e3ca9c78ceb531830578f292ce98a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09066",
    "kind": "arxiv",
    "version": 1
  }
}