Pith Number

pith:LFQF2SON

pith:2012:LFQF2SONNDHJ3HYIQNG4RTON47

not attested not anchored not stored refs pending

A divergence formula for regularization methods with an L2 constraint

Xin Huang, Yixin Fang, Yuanjia Wang

arxiv:1203.3559 v1 · 2012-03-15 · stat.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LFQF2SONNDHJ3HYIQNG4RTON47}

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	2026-05-18T03:59:59.718067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59605d49cd68ce9d9f08834dc8cdcde7e45199ccdc86d16e680f63fed53c288b

Aliases

arxiv: 1203.3559 · arxiv_version: 1203.3559v1 · doi: 10.48550/arxiv.1203.3559 · pith_short_12: LFQF2SONNDHJ · pith_short_16: LFQF2SONNDHJ3HYI · pith_short_8: LFQF2SON

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/LFQF2SONNDHJ3HYIQNG4RTON47 \
  | 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: 59605d49cd68ce9d9f08834dc8cdcde7e45199ccdc86d16e680f63fed53c288b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7ea16520be7d0ecaaedf48fec5f2202ff8e56d73c3a8ab749fa275324cbe275",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.OT",
    "submitted_at": "2012-03-15T20:51:14Z",
    "title_canon_sha256": "4b03121becffb3c00de0e7f02f10b36ecd5bf8c0d35efb3cb9c0a294f99dabbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3559",
    "kind": "arxiv",
    "version": 1
  }
}