Pith Number

pith:ZAVMUH6G

pith:2014:ZAVMUH6GL2TXSVX3ALHI4RKJHY

not attested not anchored not stored refs pending

A Primal Dual Active Set with Continuation Algorithm for the \ell^0-Regularized Optimization Problem

Bangti Jin, Xiliang Lu, Yuling Jiao

arxiv:1403.0515 v1 · 2014-03-03 · math.OC · cs.IT · math.IT · 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{ZAVMUH6GL2TXSVX3ALHI4RKJHY}

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	2026-05-18T02:57:24.679014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c82aca1fc65ea77956fb02ce8e45493e154fea4f2e2d7b878ea0e1af5aa17329

Aliases

arxiv: 1403.0515 · arxiv_version: 1403.0515v1 · doi: 10.48550/arxiv.1403.0515 · pith_short_12: ZAVMUH6GL2TX · pith_short_16: ZAVMUH6GL2TXSVX3 · pith_short_8: ZAVMUH6G

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/ZAVMUH6GL2TXSVX3ALHI4RKJHY \
  | 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: c82aca1fc65ea77956fb02ce8e45493e154fea4f2e2d7b878ea0e1af5aa17329

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edcc5ad780df1c6e57396db334e29d2e9a7ae1b209df41c0cc26ebfbd07c7e90",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-03-03T18:33:57Z",
    "title_canon_sha256": "9b560406f2f30367ff80dc87994f6b4cd8df57c01f07058af81c705d67c4d140"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.0515",
    "kind": "arxiv",
    "version": 1
  }
}