Pith Number

pith:NPAL2UXG

pith:2017:NPAL2UXGQMJVLJLIHCQCMQRNKG

not attested not anchored not stored refs pending

Survivor-complier effects in the presence of selection on treatment, with application to a study of prompt ICU admission

Edward H. Kennedy, Luke J. Keele, Steve Harris

arxiv:1704.05706 v2 · 2017-04-19 · 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{NPAL2UXGQMJVLJLIHCQCMQRNKG}

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	2026-05-18T00:34:57.310836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bc0bd52e6831355a56838a026422d51bcb51529e4e196d6acb92e1e4ccf2dbc

Aliases

arxiv: 1704.05706 · arxiv_version: 1704.05706v2 · doi: 10.48550/arxiv.1704.05706 · pith_short_12: NPAL2UXGQMJV · pith_short_16: NPAL2UXGQMJVLJLI · pith_short_8: NPAL2UXG

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/NPAL2UXGQMJVLJLIHCQCMQRNKG \
  | 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: 6bc0bd52e6831355a56838a026422d51bcb51529e4e196d6acb92e1e4ccf2dbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a927c3181cc11048d94683219a217da26822f4c5bc1849e039ed16fa7d1fdda",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2017-04-19T12:26:18Z",
    "title_canon_sha256": "fc7e52127277786bdfac23ea1ed5c7083e57c7c9728be689c1eb30e2934bae62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05706",
    "kind": "arxiv",
    "version": 2
  }
}