Pith Number

pith:XDST34YR

pith:2022:XDST34YR57KHVUMUC4JIO2OIRW

not attested not anchored not stored refs pending

Selecting Valid Instrumental Variables in Linear Models with Multiple Exposure Variables: Adaptive Lasso and the Median-of-Medians Estimator

Eleanor Sanderson, Frank Windmeijer, Xiaoran Liang

arxiv:2208.05278 v1 · 2022-08-10 · 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{XDST34YR57KHVUMUC4JIO2OIRW}

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	2026-07-05T04:47:34.227821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8e53df311efd47ad19417128769c88d89e4da2cadced3a719f5b28e7d39c32d

Aliases

arxiv: 2208.05278 · arxiv_version: 2208.05278v1 · doi: 10.48550/arxiv.2208.05278 · pith_short_12: XDST34YR57KH · pith_short_16: XDST34YR57KHVUMU · pith_short_8: XDST34YR

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/XDST34YR57KHVUMUC4JIO2OIRW \
  | 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: b8e53df311efd47ad19417128769c88d89e4da2cadced3a719f5b28e7d39c32d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38da80f28b6c0d948ed558e259e4a978c73941cd4c207b008dac489e0a710506",
    "cross_cats_sorted": [
      "econ.EM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2022-08-10T11:23:42Z",
    "title_canon_sha256": "fb5038977191756b0b934c62026093f41055eca3a78fe943ee472597a76657d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.05278",
    "kind": "arxiv",
    "version": 1
  }
}