Pith Number

pith:MZNCA7H5

pith:2016:MZNCA7H5VMPRC5V3DBZLKDGIBZ

not attested not anchored not stored refs pending

Program Evaluation with Right-Censored Data

Pedro H. C. Sant'Anna

arxiv:1604.02642 v1 · 2016-04-10 · stat.ME · econ.EM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MZNCA7H5VMPRC5V3DBZLKDGIBZ}

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	2026-05-18T00:33:53.362855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

665a207cfdab1f1176bb1872b50cc80e760179c3764339b9c0e77c9e891ad69c

Aliases

arxiv: 1604.02642 · arxiv_version: 1604.02642v1 · doi: 10.48550/arxiv.1604.02642 · pith_short_12: MZNCA7H5VMPR · pith_short_16: MZNCA7H5VMPRC5V3 · pith_short_8: MZNCA7H5

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/MZNCA7H5VMPRC5V3DBZLKDGIBZ \
  | 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: 665a207cfdab1f1176bb1872b50cc80e760179c3764339b9c0e77c9e891ad69c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a48107606e63d362486b0a3c706a7e8725dd57ded573b479751825255c2bcd22",
    "cross_cats_sorted": [
      "econ.EM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2016-04-10T06:14:33Z",
    "title_canon_sha256": "0da3b3157ed8e987cdca9e5a61bd65be14666032ec79b782c7a18c1362d51e15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02642",
    "kind": "arxiv",
    "version": 1
  }
}