Pith Number

pith:QOMCBI7A

pith:2019:QOMCBI7ACWTB63TF26LDTDL4SI

not attested not anchored not stored refs pending

Identifying Treatment Effects using Trimmed Means when Data are Missing Not at Random

Alex Ocampo, Francesca Callegari, Heinz Schmidli, Marcello Pagano, Peter Quarg

arxiv:1908.01044 v2 · 2019-08-02 · 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{QOMCBI7ACWTB63TF26LDTDL4SI}

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	2026-07-05T04:28:38.568861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

839820a3e015a61f6e65d796398d7c922fac83ed2bbb0fb721f674468095fbdb

Aliases

arxiv: 1908.01044 · arxiv_version: 1908.01044v2 · doi: 10.48550/arxiv.1908.01044 · pith_short_12: QOMCBI7ACWTB · pith_short_16: QOMCBI7ACWTB63TF · pith_short_8: QOMCBI7A

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/QOMCBI7ACWTB63TF26LDTDL4SI \
  | 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: 839820a3e015a61f6e65d796398d7c922fac83ed2bbb0fb721f674468095fbdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13d1ffce4001d6a7b907b9b34760dd8d7a158f7c903393496d0a2c8fbbbb106f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-08-02T20:34:46Z",
    "title_canon_sha256": "89fb53049fad09cf47a0ff1387c2e9598c1e10dfe6b06cc31c46047861b43eb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01044",
    "kind": "arxiv",
    "version": 2
  }
}