Pith Number

pith:OI6Y6A2Y

pith:2018:OI6Y6A2YKA6K6IKUWT4SMOLYID

not attested not anchored not stored refs pending

Efficient Computational Algorithm for Optimal Continuous Experimental Designs

Hon Keung Tony Ng, Jiangtao Duan, Wei Gao

arxiv:1804.02655 v1 · 2018-04-08 · 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{OI6Y6A2YKA6K6IKUWT4SMOLYID}

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	2026-05-18T00:18:58.783920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

723d8f0358503caf2154b4f926397840ce54588898b5958427ecf8c2f2c01f36

Aliases

arxiv: 1804.02655 · arxiv_version: 1804.02655v1 · doi: 10.48550/arxiv.1804.02655 · pith_short_12: OI6Y6A2YKA6K · pith_short_16: OI6Y6A2YKA6K6IKU · pith_short_8: OI6Y6A2Y

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/OI6Y6A2YKA6K6IKUWT4SMOLYID \
  | 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: 723d8f0358503caf2154b4f926397840ce54588898b5958427ecf8c2f2c01f36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90832bbabfc10a8c8a63927b1c035c9813fe2f158718f58b85af1c8504be3096",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2018-04-08T09:01:41Z",
    "title_canon_sha256": "16c0ca11355e4f659153d2a3c3b359e5e9a62f14db12ece4bc299244d06e6583"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02655",
    "kind": "arxiv",
    "version": 1
  }
}