Pith Number

pith:O52WX5H5

pith:2019:O52WX5H5U5L2D7XSUK3Q3JM3KG

not attested not anchored not stored refs pending

Prediction properties of optimum response surface designs

Cesar B. A. de Oliveira, Heloisa M. de Oliveira, Luzia A. Trinca, Steven G. Gilmour

arxiv:1906.07500 v1 · 2019-06-18 · 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{O52WX5H5U5L2D7XSUK3Q3JM3KG}

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	2026-05-17T23:43:07.738090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77756bf4fda757a1fef2a2b70da59b5182416d2374215dda71f7ea787060a723

Aliases

arxiv: 1906.07500 · arxiv_version: 1906.07500v1 · doi: 10.48550/arxiv.1906.07500 · pith_short_12: O52WX5H5U5L2 · pith_short_16: O52WX5H5U5L2D7XS · pith_short_8: O52WX5H5

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/O52WX5H5U5L2D7XSUK3Q3JM3KG \
  | 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: 77756bf4fda757a1fef2a2b70da59b5182416d2374215dda71f7ea787060a723

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35c4940bd0363cc6f8dfad932588892fd3e2ec472fd8641d394f23d8a07040f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-06-18T11:21:19Z",
    "title_canon_sha256": "ce2be119ff7ad5399f3a840f0fb79cf4b96bb15f5957cbe80c5bec5c8033658b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.07500",
    "kind": "arxiv",
    "version": 1
  }
}