Pith Number

pith:NRH232WS

pith:2011:NRH232WSQV2P2MZPJJAQPCPRTG

not attested not anchored not stored refs pending

A sufficient condition on monotonic increase of the number of nonzero entry in the optimizer of L1 norm penalized least-square problem

Charles Soussen, David Brie, J. Duan, Jerome Idier, Y.-P. Wang

arxiv:1104.3792 v1 · 2011-04-19 · stat.ML · cs.LG · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NRH232WSQV2P2MZPJJAQPCPRTG}

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	2026-05-18T02:22:02.133729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c4fadead28574fd332f4a410789f19997d4d8edc6fd6a15971fd15c6cf9472d

Aliases

arxiv: 1104.3792 · arxiv_version: 1104.3792v1 · doi: 10.48550/arxiv.1104.3792 · pith_short_12: NRH232WSQV2P · pith_short_16: NRH232WSQV2P2MZP · pith_short_8: NRH232WS

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/NRH232WSQV2P2MZPJJAQPCPRTG \
  | 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: 6c4fadead28574fd332f4a410789f19997d4d8edc6fd6a15971fd15c6cf9472d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4570a4a06b8259c1e6358886a95858d76f755404f1b5283dd96b4788b336379a",
    "cross_cats_sorted": [
      "cs.LG",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2011-04-19T16:19:03Z",
    "title_canon_sha256": "8a0c5d2a788ee5ebbe7a03b532c1a820552750a61f8b4cc60981ccdd4e4dc0b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3792",
    "kind": "arxiv",
    "version": 1
  }
}