Pith Number

pith:PUV5WF5Y

pith:2019:PUV5WF5YCAOR4PRR2OAU7J5RIH

not attested not anchored not stored refs pending

Analysis of the alternating direction method of multipliers for nonconvex problems

Stuart M. Harwood

arxiv:1902.07815 v2 · 2019-02-20 · 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{PUV5WF5YCAOR4PRR2OAU7J5RIH}

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	2026-07-05T04:05:09.030222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d2bdb17b8101d1e3e31d3814fa7b141ff916aa981a4208b8973f1753a4c4f21

Aliases

arxiv: 1902.07815 · arxiv_version: 1902.07815v2 · doi: 10.48550/arxiv.1902.07815 · pith_short_12: PUV5WF5YCAOR · pith_short_16: PUV5WF5YCAOR4PRR · pith_short_8: PUV5WF5Y

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/PUV5WF5YCAOR4PRR2OAU7J5RIH \
  | 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: 7d2bdb17b8101d1e3e31d3814fa7b141ff916aa981a4208b8973f1753a4c4f21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35c5b24df4fa94f442fca6cf4f8594f93fbd04bfa1731bbd84a0bcef3b7a5f51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-02-20T23:56:55Z",
    "title_canon_sha256": "c9ed81b8263aaabfa80969187bc4931b9b84df2cb064b090e70bdb50bda28834"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07815",
    "kind": "arxiv",
    "version": 2
  }
}