Pith Number

pith:H5VVFRTV

pith:2015:H5VVFRTV4KSHNSRDFFYVTHXBM5

not attested not anchored not stored refs pending

Variable selection with Hamming loss

Alexandre B. Tsybakov, Cristina Butucea, Mohamed Ndaoud, Natalia A. Stepanova

arxiv:1512.01832 v5 · 2015-12-06 · 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{H5VVFRTV4KSHNSRDFFYVTHXBM5}

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	2026-05-18T00:03:34.630581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f6b52c675e2a476ca232971599ee16756a91c3c08346e66cd490fdb6b617e2c

Aliases

arxiv: 1512.01832 · arxiv_version: 1512.01832v5 · doi: 10.48550/arxiv.1512.01832 · pith_short_12: H5VVFRTV4KSH · pith_short_16: H5VVFRTV4KSHNSRD · pith_short_8: H5VVFRTV

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/H5VVFRTV4KSHNSRDFFYVTHXBM5 \
  | 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: 3f6b52c675e2a476ca232971599ee16756a91c3c08346e66cd490fdb6b617e2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b5fe6f5ae6dbc9bf1750e38b57ffdb5079ef4898dffd4988990bf7bd4c75f8d",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-12-06T20:50:50Z",
    "title_canon_sha256": "7c0bc329011ea64cb14f452a4ede20a47b502bebcb5c13787920ac7d173aca26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01832",
    "kind": "arxiv",
    "version": 5
  }
}