Pith Number

pith:RCNDI6XZ

pith:2018:RCNDI6XZSRYQ5DJLLYLO5E5CGE

not attested not anchored not stored refs pending

A Randomized Exchange Algorithm for Computing Optimal Approximate Designs of Experiments

Lenka Filov\'a, Peter Richt\'arik, Radoslav Harman

arxiv:1801.05661 v1 · 2018-01-17 · stat.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RCNDI6XZSRYQ5DJLLYLO5E5CGE}

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	2026-05-18T00:25:40.517899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

889a347af994710e8d2b5e16ee93a231287f0bfc7b08d8ed30332da893d2e9fa

Aliases

arxiv: 1801.05661 · arxiv_version: 1801.05661v1 · doi: 10.48550/arxiv.1801.05661 · pith_short_12: RCNDI6XZSRYQ · pith_short_16: RCNDI6XZSRYQ5DJL · pith_short_8: RCNDI6XZ

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/RCNDI6XZSRYQ5DJLLYLO5E5CGE \
  | 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: 889a347af994710e8d2b5e16ee93a231287f0bfc7b08d8ed30332da893d2e9fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c95b62b27f7443757d1e01bf0a2d47b78d1595c8ed767a02b19d6ae8dd5e95e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2018-01-17T13:49:47Z",
    "title_canon_sha256": "b0372ed676a43922c7ea3ef0e94a5eb38f15432a8281ef7bb69603190f79b237"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05661",
    "kind": "arxiv",
    "version": 1
  }
}