Pith Number

pith:VK3X2TH3

pith:2021:VK3X2TH3FSBZEN5P5UXI5IOO7P

not attested not anchored not stored refs pending

On the implied weights of linear regression for causal inference

Ambarish Chattopadhyay, Jose R. Zubizarreta

arxiv:2104.06581 v4 · 2021-04-14 · 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{VK3X2TH3FSBZEN5P5UXI5IOO7P}

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

RieszBoost: Gradient Boosting for Riesz Regression

Receipt and verification

First computed	2026-07-05T04:38:10.425867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aab77d4cfb2c839237afed2e8ea1cefbd6258fec268fb81ee24ee7cd08fdcd2b

Aliases

arxiv: 2104.06581 · arxiv_version: 2104.06581v4 · doi: 10.48550/arxiv.2104.06581 · pith_short_12: VK3X2TH3FSBZ · pith_short_16: VK3X2TH3FSBZEN5P · pith_short_8: VK3X2TH3

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/VK3X2TH3FSBZEN5P5UXI5IOO7P \
  | 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: aab77d4cfb2c839237afed2e8ea1cefbd6258fec268fb81ee24ee7cd08fdcd2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa75226e66655b7eb9aec70856f0e62103f12936b23c3193c36e1eed3e862177",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2021-04-14T01:57:12Z",
    "title_canon_sha256": "83f1c079146dd3d5fa8fe80790b0d9706f7713e4e4d9e574dcf8818d312f6018"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.06581",
    "kind": "arxiv",
    "version": 4
  }
}