Pith Number

pith:MELQ2JN2

pith:2015:MELQ2JN2RRZTPWEXNGV7JYQREB

not attested not anchored not stored refs pending

$T$-optimal discriminating designs for Fourier regression models

Holger Dette, Petr Shpilev, Viatcheslav B. Melas

arxiv:1512.07441 v1 · 2015-12-23 · 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{MELQ2JN2RRZTPWEXNGV7JYQREB}

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	2026-05-18T01:23:49.677097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61170d25ba8c7337d89769abf4e211204211a0341c516f60b6551503e989edbc

Aliases

arxiv: 1512.07441 · arxiv_version: 1512.07441v1 · doi: 10.48550/arxiv.1512.07441 · pith_short_12: MELQ2JN2RRZT · pith_short_16: MELQ2JN2RRZTPWEX · pith_short_8: MELQ2JN2

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/MELQ2JN2RRZTPWEXNGV7JYQREB \
  | 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: 61170d25ba8c7337d89769abf4e211204211a0341c516f60b6551503e989edbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "365938fc9b6eb31db3c59de295d988803fcf7629795cb7badd401f0ebee5fdc0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2015-12-23T11:49:46Z",
    "title_canon_sha256": "89ad7080c640ce86b550d5f554c2ee4c2296f8455679efcda4ed7ee69853f541"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.07441",
    "kind": "arxiv",
    "version": 1
  }
}