Pith Number

pith:75OYCYBC

pith:2019:75OYCYBCXIQAVR33X3DVQJGXAI

not attested not anchored not stored refs pending

Sparse recovery via nonconvex regularized $M$-estimators over $\ell_q$-balls

Chong Li, Dongya Wu, Jen-Chih Yao, Jinhua Wang, Xin Li

arxiv:1911.08061 v1 · 2019-11-19 · math.ST · stat.ME · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{75OYCYBCXIQAVR33X3DVQJGXAI}

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	2026-07-05T00:20:24.827646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff5d816022ba200ac77bbec75824d702289154446cb0e62327d61756f7281e83

Aliases

arxiv: 1911.08061 · arxiv_version: 1911.08061v1 · doi: 10.48550/arxiv.1911.08061 · pith_short_12: 75OYCYBCXIQA · pith_short_16: 75OYCYBCXIQAVR33 · pith_short_8: 75OYCYBC

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/75OYCYBCXIQAVR33X3DVQJGXAI \
  | 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: ff5d816022ba200ac77bbec75824d702289154446cb0e62327d61756f7281e83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0131121b5b2e5e229bdbd0d2836feb2b2d8df25dee3b25075c5de99a34ccecff",
    "cross_cats_sorted": [
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2019-11-19T02:56:35Z",
    "title_canon_sha256": "b64f5aa9d466337e0ae8d84825cce9b0cc83ff004b20ac13e222118c3dc7c4ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.08061",
    "kind": "arxiv",
    "version": 1
  }
}