Pith Number

pith:6ZSLMJXB

pith:2016:6ZSLMJXBLD2SFKXF7SUYHYLXMD

not attested not anchored not stored refs pending

Global solutions to folded concave penalized nonconvex learning

Hongcheng Liu, Runze Li, Tao Yao

arxiv:1603.07531 v1 · 2016-03-24 · math.ST · 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{6ZSLMJXBLD2SFKXF7SUYHYLXMD}

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	2026-05-18T01:18:20.646329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f664b626e158f522aae5fca983e17760e83e5820d37a04fbd6afaa13160f4778

Aliases

arxiv: 1603.07531 · arxiv_version: 1603.07531v1 · doi: 10.48550/arxiv.1603.07531 · pith_short_12: 6ZSLMJXBLD2S · pith_short_16: 6ZSLMJXBLD2SFKXF · pith_short_8: 6ZSLMJXB

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/6ZSLMJXBLD2SFKXF7SUYHYLXMD \
  | 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: f664b626e158f522aae5fca983e17760e83e5820d37a04fbd6afaa13160f4778

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8425ab7ab6a7d5aff799d71455e7c3215d89e2978aed0828e34eb5313f44edf",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2016-03-24T11:29:34Z",
    "title_canon_sha256": "0051f7cb7506fed7cf3016ec5b26e571bf7109a54b97145ae6e0a27a8d0c0c62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.07531",
    "kind": "arxiv",
    "version": 1
  }
}