Pith Number

pith:QHMY7OVC

pith:2026:QHMY7OVCOWHOCDDDBPKOW25V2V

not attested not anchored not stored refs pending

Two-Phase Sampling Designs and Analysis Approaches for Ordinal Outcomes

Eric P. Schmidt, Jonathan S. Schildcrout, Nathan I. Shapiro, Ran Tao, Wesley H. Self, Yunbi Nam

arxiv:2605.27330 v1 · 2026-05-26 · 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{QHMY7OVCOWHOCDDDBPKOW25V2V}

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	2026-05-27T02:06:18.373829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81d98fbaa2758ee10c630bd4eb6bb5d577cbf60ac5ce00cbc4b052cb6e6ad61d

Aliases

arxiv: 2605.27330 · arxiv_version: 2605.27330v1 · doi: 10.48550/arxiv.2605.27330 · pith_short_12: QHMY7OVCOWHO · pith_short_16: QHMY7OVCOWHOCDDD · pith_short_8: QHMY7OVC

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/QHMY7OVCOWHOCDDDBPKOW25V2V \
  | 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: 81d98fbaa2758ee10c630bd4eb6bb5d577cbf60ac5ce00cbc4b052cb6e6ad61d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "385159a0a8594f41f00d931ffa313e4434d804c3524ce0c9cdccf51c89dbe71e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-05-26T17:38:19Z",
    "title_canon_sha256": "f43dddd2304e15cb4c4814a3f629199b0d62942cbb99d6527ee392e35e0bd52e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.27330",
    "kind": "arxiv",
    "version": 1
  }
}