Pith Number

pith:KA4EI6XM

pith:2017:KA4EI6XMGJUJ3R53EHARNMFA2S

not attested not anchored not stored refs pending

Universally Optimal Designs for the Two-dimensional Interference Model

A. S. Hedayat, Heng Xu, Wei Zheng

arxiv:1705.08074 v1 · 2017-05-23 · 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{KA4EI6XMGJUJ3R53EHARNMFA2S}

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	2026-05-18T00:43:49.403390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5038447aec32689dc7bb21c116b0a0d4bdea56a69c4fbe783ce9c8c30b50c05f

Aliases

arxiv: 1705.08074 · arxiv_version: 1705.08074v1 · doi: 10.48550/arxiv.1705.08074 · pith_short_12: KA4EI6XMGJUJ · pith_short_16: KA4EI6XMGJUJ3R53 · pith_short_8: KA4EI6XM

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/KA4EI6XMGJUJ3R53EHARNMFA2S \
  | 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: 5038447aec32689dc7bb21c116b0a0d4bdea56a69c4fbe783ce9c8c30b50c05f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa63a57963c7a575e3a1f84efc7e6c59ac5335eed5ec41aee58d79cf6232ce10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2017-05-23T04:41:05Z",
    "title_canon_sha256": "b3a43b5935ba0a1064daf39d40ce075d8a78190997b8340d91344afd6dc2540e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.08074",
    "kind": "arxiv",
    "version": 1
  }
}