Pith Number

pith:KL7SZE2Z

pith:2013:KL7SZE2ZLND4TQGK4YSFVPNXP5

not attested not anchored not stored refs pending

Least quantile regression via modern optimization

Dimitris Bertsimas, Rahul Mazumder

arxiv:1310.8625 v2 · 2013-10-31 · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KL7SZE2ZLND4TQGK4YSFVPNXP5}

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	2026-05-18T02:34:45.073163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52ff2c93595b47c9c0cae6245abdb77f517f7d79c7a2284b7b8b52f6f40c03b4

Aliases

arxiv: 1310.8625 · arxiv_version: 1310.8625v2 · doi: 10.48550/arxiv.1310.8625 · pith_short_12: KL7SZE2ZLND4 · pith_short_16: KL7SZE2ZLND4TQGK · pith_short_8: KL7SZE2Z

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/KL7SZE2ZLND4TQGK4YSFVPNXP5 \
  | 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: 52ff2c93595b47c9c0cae6245abdb77f517f7d79c7a2284b7b8b52f6f40c03b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed679d12766607bda0d89c27d70565b6c002748a2c5ebbb2f9b332a81a5eb39b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2013-10-31T18:24:14Z",
    "title_canon_sha256": "b9e1ea056252c845a085fd3560e848f181cd5deb8bce428747760f472cce2027"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.8625",
    "kind": "arxiv",
    "version": 2
  }
}