Pith Number

pith:77QCCTVA

pith:2014:77QCCTVAPBED67ZRUP52FAH5XL

not attested not anchored not stored refs pending

Faithful Variable Screening for High-Dimensional Convex Regression

John Lafferty, Minhua Chen, Min Xu

arxiv:1411.1805 v2 · 2014-11-07 · math.ST · stat.ML · 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{77QCCTVAPBED67ZRUP52FAH5XL}

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	2026-05-18T02:34:51.532953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffe0214ea078483f7f31a3fba280fdbaf63c05077d417076761043ccb95d123c

Aliases

arxiv: 1411.1805 · arxiv_version: 1411.1805v2 · doi: 10.48550/arxiv.1411.1805 · pith_short_12: 77QCCTVAPBED · pith_short_16: 77QCCTVAPBED67ZR · pith_short_8: 77QCCTVA

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/77QCCTVAPBED67ZRUP52FAH5XL \
  | 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: ffe0214ea078483f7f31a3fba280fdbaf63c05077d417076761043ccb95d123c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c27ad81600be9a1bd1db6dd33dba22ecc7968721994676a6db16ac257f010478",
    "cross_cats_sorted": [
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2014-11-07T01:09:40Z",
    "title_canon_sha256": "9781c3f17f810776f9755112a1187b12addb84b3bd28a2238dd1791259ed0e82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.1805",
    "kind": "arxiv",
    "version": 2
  }
}