Pith Number

pith:PNJBKMYD

pith:2018:PNJBKMYDDHROH6XUZLDPS7ZFQE

not attested not anchored not stored refs pending

A biconvex analysis for Lasso l1 reweighting

Sophie M. Fosson

arxiv:1812.02990 v1 · 2018-12-07 · cs.LG · math.OC · 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{PNJBKMYDDHROH6XUZLDPS7ZFQE}

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	2026-05-17T23:58:51.191271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b5215330319e2e3faf4cac6f97f25810b9248e0e01cbe8fa13cb2fdbcefbf52

Aliases

arxiv: 1812.02990 · arxiv_version: 1812.02990v1 · doi: 10.48550/arxiv.1812.02990 · pith_short_12: PNJBKMYDDHRO · pith_short_16: PNJBKMYDDHROH6XU · pith_short_8: PNJBKMYD

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/PNJBKMYDDHROH6XUZLDPS7ZFQE \
  | 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: 7b5215330319e2e3faf4cac6f97f25810b9248e0e01cbe8fa13cb2fdbcefbf52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15a822e75a60df88e673cb551f810167e773b59d2f0821db9c2f900c29bf9967",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-12-07T11:57:45Z",
    "title_canon_sha256": "164fbab8625f05d909b0257ab18c5042cf0cc9dab2ed111c5380f717098581d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02990",
    "kind": "arxiv",
    "version": 1
  }
}