Pith Number

pith:HZE7F2SV

pith:2019:HZE7F2SV3WDDXGOWOPZPMBFTU7

not attested not anchored not stored refs pending

An Efficient Augmented Lagrangian Based Method for Constrained Lasso

Anthony Man-Cho So, Zengde Deng

arxiv:1903.05006 v1 · 2019-03-12 · math.OC · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HZE7F2SV3WDDXGOWOPZPMBFTU7}

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	2026-05-17T23:51:26.549289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e49f2ea55dd863b99d673f2f604b3a7e9f4730caa08bfce3d9c3de410f93f8e

Aliases

arxiv: 1903.05006 · arxiv_version: 1903.05006v1 · doi: 10.48550/arxiv.1903.05006 · pith_short_12: HZE7F2SV3WDD · pith_short_16: HZE7F2SV3WDDXGOW · pith_short_8: HZE7F2SV

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/HZE7F2SV3WDDXGOWOPZPMBFTU7 \
  | 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: 3e49f2ea55dd863b99d673f2f604b3a7e9f4730caa08bfce3d9c3de410f93f8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ac1010072b2d53cd629b8f976963268ac5d55a414c3a465f08688eec05904a7",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-03-12T15:51:20Z",
    "title_canon_sha256": "19b305531d46a035692d99d2cea5af545a1fa2403b0f08af23daabb7033301df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05006",
    "kind": "arxiv",
    "version": 1
  }
}