Pith Number

pith:C5MNDVFU

pith:2013:C5MNDVFUYIZJVYVRMG3OTXSB7C

not attested not anchored not stored refs pending

Lp-Regularized Least Squares (0<p<1) and Critical Path

Masahiro Yukawa, Shun-ichi Amari

arxiv:1304.6591 v1 · 2013-04-24 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C5MNDVFUYIZJVYVRMG3OTXSB7C}

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	2026-05-18T03:27:12.644816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1758d1d4b4c2329ae2b161b6e9de41f882e565fca2c055949abd584bb44c3266

Aliases

arxiv: 1304.6591 · arxiv_version: 1304.6591v1 · doi: 10.48550/arxiv.1304.6591 · pith_short_12: C5MNDVFUYIZJ · pith_short_16: C5MNDVFUYIZJVYVR · pith_short_8: C5MNDVFU

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/C5MNDVFUYIZJVYVRMG3OTXSB7C \
  | 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: 1758d1d4b4c2329ae2b161b6e9de41f882e565fca2c055949abd584bb44c3266

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94e0df3c3da80784adc26d47097be348df96e47f4df56facd7f838a83f024433",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-04-24T14:05:18Z",
    "title_canon_sha256": "d116b52442c48bf872c9aefb78aa54d70ef9ed10245fb8fd99599aace22552eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6591",
    "kind": "arxiv",
    "version": 1
  }
}