Pith Number

pith:BFFG6EPJ

pith:2018:BFFG6EPJKLMFQHTARZCWL4DECD

not attested not anchored not stored refs pending

A semi-proximal augmented Lagrangian based decomposition method for primal block angular convex composite quadratic conic programming problems

Defeng Sun, Kim-Chuan Toh, Xin-Yee Lam

arxiv:1812.04941 v1 · 2018-12-12 · 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{BFFG6EPJKLMFQHTARZCWL4DECD}

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	2026-05-17T23:58:26.862880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

094a6f11e952d8581e608e4565f06410c363aab2784e07e4a139f5b2b2f26606

Aliases

arxiv: 1812.04941 · arxiv_version: 1812.04941v1 · doi: 10.48550/arxiv.1812.04941 · pith_short_12: BFFG6EPJKLMF · pith_short_16: BFFG6EPJKLMFQHTA · pith_short_8: BFFG6EPJ

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/BFFG6EPJKLMFQHTARZCWL4DECD \
  | 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: 094a6f11e952d8581e608e4565f06410c363aab2784e07e4a139f5b2b2f26606

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a19d1ba6744cc376a4f955897a2b333ad43587a8e0491fe4ca3dfcd95bf0a92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-12-12T13:54:42Z",
    "title_canon_sha256": "389a640c989a2512a7b3541c88bacac6edcb5b4ff72a70e16f9bb180220d36d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.04941",
    "kind": "arxiv",
    "version": 1
  }
}