Pith Number

pith:W2HQA226

pith:2014:W2HQA226K5CPYTLM3E2AVEIPIP

not attested not anchored not stored refs pending

$D$-optimal saturated designs: a simulation study

Fabio Rapallo, Maria Piera Rogantin, Roberto Fontana

arxiv:1401.0844 v1 · 2014-01-04 · stat.ME · math.CO · 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{W2HQA226K5CPYTLM3E2AVEIPIP}

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	2026-05-18T03:03:11.794414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b68f006b5e5744fc4d6cd9340a910f43f17b82d84f74057c282e7d725d8a82d8

Aliases

arxiv: 1401.0844 · arxiv_version: 1401.0844v1 · doi: 10.48550/arxiv.1401.0844 · pith_short_12: W2HQA226K5CP · pith_short_16: W2HQA226K5CPYTLM · pith_short_8: W2HQA226

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/W2HQA226K5CPYTLM3E2AVEIPIP \
  | 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: b68f006b5e5744fc4d6cd9340a910f43f17b82d84f74057c282e7d725d8a82d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8e825288213564331f5f59b0dcc59e039d8e446aeb1a57e35f3592a08646598",
    "cross_cats_sorted": [
      "math.CO",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2014-01-04T21:19:02Z",
    "title_canon_sha256": "d042d0b67534d1f308ced082ca25d9c30b9ce0050a581425af5cb4d9cbee4278"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0844",
    "kind": "arxiv",
    "version": 1
  }
}