Pith Number

pith:FT43UQUR

pith:2015:FT43UQURG5IHXBELNRC4DAANYH

not attested not anchored not stored refs pending

Nonconvex Penalization in Sparse Estimation: An Approach Based on the Bernstein Function

Zhihua Zhang

arxiv:1510.08633 v1 · 2015-10-29 · 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{FT43UQURG5IHXBELNRC4DAANYH}

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	2026-05-18T01:28:28.215022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cf9ba429137507b848b6c45c1800dc1e6554517b0607ad4e3e9ce59cabc6665

Aliases

arxiv: 1510.08633 · arxiv_version: 1510.08633v1 · doi: 10.48550/arxiv.1510.08633 · pith_short_12: FT43UQURG5IH · pith_short_16: FT43UQURG5IHXBEL · pith_short_8: FT43UQUR

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/FT43UQURG5IHXBELNRC4DAANYH \
  | 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: 2cf9ba429137507b848b6c45c1800dc1e6554517b0607ad4e3e9ce59cabc6665

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba478565735cb8fe7538220d3e0bdcfbb29839e383444fb4777b3ee75e35f41f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-10-29T10:38:55Z",
    "title_canon_sha256": "933f7473a3028bf3cf10ecfbb8a0b6aa9e501c5b309f35d7aba13cfc5eeeacbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08633",
    "kind": "arxiv",
    "version": 1
  }
}