Pith Number

pith:O6QAXRCH

pith:2014:O6QAXRCHQVZKLJPWE6JB5LWSW6

not attested not anchored not stored refs pending

$E$-optimal designs for second-order response surface models

Holger Dette, Yuri Grigoriev

arxiv:1403.3805 v2 · 2014-03-15 · 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{O6QAXRCHQVZKLJPWE6JB5LWSW6}

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	2026-05-18T02:44:00.428942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77a00bc4478572a5a5f627921eaed2b78c0a7012ec6222acdbcc24e0695fd951

Aliases

arxiv: 1403.3805 · arxiv_version: 1403.3805v2 · doi: 10.48550/arxiv.1403.3805 · pith_short_12: O6QAXRCHQVZK · pith_short_16: O6QAXRCHQVZKLJPW · pith_short_8: O6QAXRCH

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/O6QAXRCHQVZKLJPWE6JB5LWSW6 \
  | 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: 77a00bc4478572a5a5f627921eaed2b78c0a7012ec6222acdbcc24e0695fd951

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "453c3c0d64e987f5b01c7d148a86760ca1abd45a160f86bbf1f82849fbd2fcbd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2014-03-15T13:49:56Z",
    "title_canon_sha256": "82e0090e3803676e839890ee2983d5a46bfd60e9a81f0b7dd696594fd3df6a7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.3805",
    "kind": "arxiv",
    "version": 2
  }
}