Pith Number

pith:A7HNPBIZ

pith:2026:A7HNPBIZGXKBFRFMSOQRSUBKP4

not attested not anchored not stored refs pending

Beyond principal ignorability: Nonparametric sensitivity bounds for principal stratification

Fan Li, Michael O. Harhay, Xinyuan Chen

arxiv:2606.01669 v1 · 2026-06-01 · 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{A7HNPBIZGXKBFRFMSOQRSUBKP4}

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	2026-06-02T02:04:39.644487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07ced7851935d412c4ac93a119502a7f346dbdcf85e01bf8e278e38cf1e86eb5

Aliases

arxiv: 2606.01669 · arxiv_version: 2606.01669v1 · doi: 10.48550/arxiv.2606.01669 · pith_short_12: A7HNPBIZGXKB · pith_short_16: A7HNPBIZGXKBFRFM · pith_short_8: A7HNPBIZ

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/A7HNPBIZGXKBFRFMSOQRSUBKP4 \
  | 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: 07ced7851935d412c4ac93a119502a7f346dbdcf85e01bf8e278e38cf1e86eb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b98ed76d840df50d73140c47fb337160e9beeefefd4b3833ccba4e5d2934417",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-06-01T04:24:42Z",
    "title_canon_sha256": "949772ba95b3652f7892324acfd6d9e3f5ece01b1bc6ee741803a5358fa5fe70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.01669",
    "kind": "arxiv",
    "version": 1
  }
}