Pith Number

pith:MZKB5DIF

pith:2019:MZKB5DIFJYWCRKYNHKDPIUYTHA

not attested not anchored not stored refs pending

A web application for the design of multi-arm clinical trials

James MS Wason, Michael J Grayling

arxiv:1906.09178 v1 · 2019-06-21 · 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{MZKB5DIFJYWCRKYNHKDPIUYTHA}

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	2026-05-17T23:42:44.282948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66541e8d054e2c28ab0d3a86f453133816fe2bcb43139f414ba6213da654e7ce

Aliases

arxiv: 1906.09178 · arxiv_version: 1906.09178v1 · doi: 10.48550/arxiv.1906.09178 · pith_short_12: MZKB5DIFJYWC · pith_short_16: MZKB5DIFJYWCRKYN · pith_short_8: MZKB5DIF

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/MZKB5DIFJYWCRKYNHKDPIUYTHA \
  | 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: 66541e8d054e2c28ab0d3a86f453133816fe2bcb43139f414ba6213da654e7ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc24a6a875342515c6961f2cf93697b0f6b962c46508a962266baddfd57f2e7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2019-06-21T14:58:14Z",
    "title_canon_sha256": "e39ac0cfc87dd882758df2028952723d4a62c923573ec7b2e17ba564013f1eac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09178",
    "kind": "arxiv",
    "version": 1
  }
}