Pith Number

pith:V4Y5M6IU

pith:2019:V4Y5M6IUKCJIKGSYKHRGVDKI7W

not attested not anchored not stored refs pending

Seamless phase II/III clinical trials using early outcomes for treatment or subgroup selection: Methods and aspects of their implementation

Nicholas Parsons, Nigel Stallard, Tim Friede

arxiv:1901.08365 v1 · 2019-01-24 · 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{V4Y5M6IUKCJIKGSYKHRGVDKI7W}

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	2026-05-17T23:55:35.674177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af31d679145092851a5851e26a8d48fd9a60bb45ff1b560816db5dc0f1212182

Aliases

arxiv: 1901.08365 · arxiv_version: 1901.08365v1 · doi: 10.48550/arxiv.1901.08365 · pith_short_12: V4Y5M6IUKCJI · pith_short_16: V4Y5M6IUKCJIKGSY · pith_short_8: V4Y5M6IU

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/V4Y5M6IUKCJIKGSYKHRGVDKI7W \
  | 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: af31d679145092851a5851e26a8d48fd9a60bb45ff1b560816db5dc0f1212182

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65efbfe25dd8d3c159bbdcb1c74b8cfeec228bc5909357c173ba551a2c487e7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-01-24T11:50:01Z",
    "title_canon_sha256": "da0ce9eff2db106582cc78393045c0c05117a8208be326de0987d77c2fce71fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08365",
    "kind": "arxiv",
    "version": 1
  }
}