Pith Number

pith:FX3MKW7S

pith:2026:FX3MKW7SZEBC44VQI623GVBORB

not attested not anchored not stored refs pending

Regulatory Considerations for Using Artificial Intelligence Models to Reduce Sample Sizes in Registrational Studies

Aaron M. Smith, Jonathan R. Walsh, Run Zhuang, Tala Fakhouri

arxiv:2605.23246 v1 · 2026-05-22 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FX3MKW7SZEBC44VQI623GVBORB}

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	2026-05-25T02:01:45.526199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2df6c55bf2c9022e72b047b5b3542e8845dd6324194dfadb149fea07d673769c

Aliases

arxiv: 2605.23246 · arxiv_version: 2605.23246v1 · doi: 10.48550/arxiv.2605.23246 · pith_short_12: FX3MKW7SZEBC · pith_short_16: FX3MKW7SZEBC44VQ · pith_short_8: FX3MKW7S

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/FX3MKW7SZEBC44VQI623GVBORB \
  | 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: 2df6c55bf2c9022e72b047b5b3542e8845dd6324194dfadb149fea07d673769c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "785e6e62074ba4f49443bae5343c80e67e3271f291cfa2de1fca7a520bdacb1c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2026-05-22T05:30:06Z",
    "title_canon_sha256": "69cfcb3e4b2411a08414e3ce96f1652581f18ce500930b429449223e1554c60f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23246",
    "kind": "arxiv",
    "version": 1
  }
}