Pith Number

pith:XF5WJJT3

pith:2013:XF5WJJT3GEU46TMAL5KEMWZLPG

not attested not anchored not stored refs pending

An efficient algorithm for structured sparse quantile regression

Ignace Loris, Vahid Nassiri

arxiv:1302.6088 v1 · 2013-02-25 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XF5WJJT3GEU46TMAL5KEMWZLPG}

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	2026-05-18T03:32:32.596103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b97b64a67b3129cf4d805f54465b2b798f1e01a844b18c5be9ebd7a1377427c6

Aliases

arxiv: 1302.6088 · arxiv_version: 1302.6088v1 · doi: 10.48550/arxiv.1302.6088 · pith_short_12: XF5WJJT3GEU4 · pith_short_16: XF5WJJT3GEU46TMA · pith_short_8: XF5WJJT3

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/XF5WJJT3GEU46TMAL5KEMWZLPG \
  | 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: b97b64a67b3129cf4d805f54465b2b798f1e01a844b18c5be9ebd7a1377427c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "202b566d35808489d4f3a4b134bcf30ce4ce7ed553c47d58c94c0343c1e197ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2013-02-25T13:34:48Z",
    "title_canon_sha256": "d61121ac99893182b03a42bb1c93d5d903a3f6fbc621746a615e7db2d31aa00a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6088",
    "kind": "arxiv",
    "version": 1
  }
}