Pith Number

pith:RGSKNIOG

pith:2021:RGSKNIOGFPHIFCJATWLDGDLOPQ

not attested not anchored not stored refs pending

A Powerful Subvector Anderson Rubin Test in Linear Instrumental Variables Regression with Conditional Heteroskedasticity

Frank Kleibergen, Patrik Guggenberger, Sophocles Mavroeidis

arxiv:2103.11371 v4 · 2021-03-21 · 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{RGSKNIOGFPHIFCJATWLDGDLOPQ}

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.

Cited by

1 paper in Pith

Robust Inference with High-Dimensional Instruments

Receipt and verification

First computed	2026-07-05T05:10:52.275446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89a4a6a1c62bce8289209d96330d6e7c3defdd94ad62585366bde9f67b85b696

Aliases

arxiv: 2103.11371 · arxiv_version: 2103.11371v4 · doi: 10.48550/arxiv.2103.11371 · pith_short_12: RGSKNIOGFPHI · pith_short_16: RGSKNIOGFPHIFCJA · pith_short_8: RGSKNIOG

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/RGSKNIOGFPHIFCJATWLDGDLOPQ \
  | 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: 89a4a6a1c62bce8289209d96330d6e7c3defdd94ad62585366bde9f67b85b696

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e453e5c48f40b98ca9e81f2b829b63c8f62249f82364722f4591f5ecc2e948d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2021-03-21T11:46:04Z",
    "title_canon_sha256": "c6de0a1ce6e8427dfdf425213b7b6745ad7012c09d2a1d10b84360d18c5cfd9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.11371",
    "kind": "arxiv",
    "version": 4
  }
}