Pith Number

pith:MBZZL6TM

pith:2019:MBZZL6TMF2HXW6VP4ZPGBEFTDT

not attested not anchored not stored refs pending

Regression to the Mean's Impact on the Synthetic Control Method: Bias and Sensitivity Analysis

Dylan S. Small, Nicholas Illenberger, Pamela A. Shaw

arxiv:1909.04706 v1 · 2019-09-10 · 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{MBZZL6TMF2HXW6VP4ZPGBEFTDT}

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	2026-07-05T00:03:59.808390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

607395fa6c2e8f7b7aafe65e6090b31ce8aa2957d0edc36f11ff53b2131f1049

Aliases

arxiv: 1909.04706 · arxiv_version: 1909.04706v1 · doi: 10.48550/arxiv.1909.04706 · pith_short_12: MBZZL6TMF2HX · pith_short_16: MBZZL6TMF2HXW6VP · pith_short_8: MBZZL6TM

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/MBZZL6TMF2HXW6VP4ZPGBEFTDT \
  | 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: 607395fa6c2e8f7b7aafe65e6090b31ce8aa2957d0edc36f11ff53b2131f1049

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ffa18ff54c4e0f4a205eb9bd8aaf8715109066262582b64fb4574aea806d067",
    "cross_cats_sorted": [
      "econ.EM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-09-10T18:48:18Z",
    "title_canon_sha256": "5b4a0704d8804e39905eeccf524d82fd0a38646c30c8fe1ace324b7d32e4a0a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.04706",
    "kind": "arxiv",
    "version": 1
  }
}