Pith Number

pith:SAZIBCZH

pith:2009:SAZIBCZHX34HIY3LEAIBTTSX2D

not attested not anchored not stored refs pending

Monotonic convergence of a general algorithm for computing optimal designs

Yaming Yu

arxiv:0905.2646 v4 · 2009-05-18 · 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{SAZIBCZHX34HIY3LEAIBTTSX2D}

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	2026-05-18T04:39:51.408852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9032808b27bef874636b201019ce57d0d5357a56b0b2a79ba645ee1451c18d92

Aliases

arxiv: 0905.2646 · arxiv_version: 0905.2646v4 · doi: 10.48550/arxiv.0905.2646 · pith_short_12: SAZIBCZHX34H · pith_short_16: SAZIBCZHX34HIY3L · pith_short_8: SAZIBCZH

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/SAZIBCZHX34HIY3LEAIBTTSX2D \
  | 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: 9032808b27bef874636b201019ce57d0d5357a56b0b2a79ba645ee1451c18d92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06d506c2eae1f9eca40aa7b1599b98165ed61cf68284d0e6924b566fb5d3e311",
    "cross_cats_sorted": [
      "math.ST",
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2009-05-18T18:53:53Z",
    "title_canon_sha256": "1af562c3334a9a899d7c9365c1d4bbda3465c86f8bac37f31a006f46c9f00ca3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.2646",
    "kind": "arxiv",
    "version": 4
  }
}