Pith Number

pith:QO3HKXTB

pith:2013:QO3HKXTBKGD4U77ZDHH76CWBTA

not attested not anchored not stored refs pending

Efficient Computational Algorithm for Optimal Allocation in Regression Models

Hon Keung Tony Ng, Ping Shing Chan, Wei Gao, Xiaolei Lu

arxiv:1301.0877 v2 · 2013-01-05 · stat.CO · math.ST · stat.ME · 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{QO3HKXTBKGD4U77ZDHH76CWBTA}

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	2026-05-18T03:08:59.546972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83b6755e615187ca7ff919cfff0ac1983c35a810a0c890debd6dad65426e0e3a

Aliases

arxiv: 1301.0877 · arxiv_version: 1301.0877v2 · doi: 10.48550/arxiv.1301.0877 · pith_short_12: QO3HKXTBKGD4 · pith_short_16: QO3HKXTBKGD4U77Z · pith_short_8: QO3HKXTB

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/QO3HKXTBKGD4U77ZDHH76CWBTA \
  | 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: 83b6755e615187ca7ff919cfff0ac1983c35a810a0c890debd6dad65426e0e3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c69549c284d3d58a9373915586192a3958295cce2e7d6d6850a985dc94d3eadc",
    "cross_cats_sorted": [
      "math.ST",
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2013-01-05T06:39:29Z",
    "title_canon_sha256": "67d4ecf758e2bc35e49ec3a013fe1e91dd0935eab3580a5293784e1de759e67e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0877",
    "kind": "arxiv",
    "version": 2
  }
}