Pith Number

pith:NHEE2ZTW

pith:2004:NHEE2ZTWGJNQMJZAPTWRZGSYR5

not attested not anchored not stored refs pending

Least Angle Regression

Bradley Efron, Iain Johnstone, Robert Tibshirani, Trevor Hastie

arxiv:math/0406456 v2 · 2004-06-23 · 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{NHEE2ZTWGJNQMJZAPTWRZGSYR5}

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.

Cited by

1 paper in Pith

Efficient and SPAM-Robust Ansatz-Free Lindbladian Learning

Receipt and verification

First computed	2026-07-04T15:01:54.001807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69c84d6676325b0627207ced1c9a588f638ae49240eec954765f4cbf6c8f4265

Aliases

arxiv: math/0406456 · arxiv_version: math/0406456v2 · doi: 10.48550/arxiv.math/0406456 · pith_short_12: NHEE2ZTWGJNQ · pith_short_16: NHEE2ZTWGJNQMJZA · pith_short_8: NHEE2ZTW

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/NHEE2ZTWGJNQMJZAPTWRZGSYR5 \
  | 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: 69c84d6676325b0627207ced1c9a588f638ae49240eec954765f4cbf6c8f4265

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec7f5f3fccd9b31ae56d2153834a11430f48def265df311d06dae91dd0e37061",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "",
    "primary_cat": "math.ST",
    "submitted_at": "2004-06-23T08:06:25Z",
    "title_canon_sha256": "535f22105adba82c0d140db74036b662fb59f533f038d8704036ec6402ecb5eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0406456",
    "kind": "arxiv",
    "version": 2
  }
}