Pith Number

pith:67CYFDU2

pith:2022:67CYFDU2H2WQ7PYLM2WXSGH6RB

not attested not anchored not stored refs pending

Optimal response surface designs in the presence of model contamination

Olga Egorova, Steven G. Gilmour

arxiv:2208.05366 v2 · 2022-08-10 · 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{67CYFDU2H2WQ7PYLM2WXSGH6RB}

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	2026-07-05T06:20:36.218242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7c5828e9a3ead0fbf0b66ad7918fe8849681307c0b8d7a7e13e388494ddca5b

Aliases

arxiv: 2208.05366 · arxiv_version: 2208.05366v2 · doi: 10.48550/arxiv.2208.05366 · pith_short_12: 67CYFDU2H2WQ · pith_short_16: 67CYFDU2H2WQ7PYL · pith_short_8: 67CYFDU2

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/67CYFDU2H2WQ7PYLM2WXSGH6RB \
  | 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: f7c5828e9a3ead0fbf0b66ad7918fe8849681307c0b8d7a7e13e388494ddca5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b1bec47bf5a10358ae75f1f23f3f0cf872688978de11bddb4da1f534e9d002b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2022-08-10T14:28:05Z",
    "title_canon_sha256": "b59d8508672cf8fdbb3bcecf18a34fabd30db5ba1adfc6799a4885fad538af8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.05366",
    "kind": "arxiv",
    "version": 2
  }
}