Pith Number

pith:KQRQEG3J

pith:2024:KQRQEG3J4X2BBWEMLDYDFBORNG

not attested not anchored not stored refs pending

Nonparametric identification and efficient estimation of causal effects with instrumental variables

Alexander W. Levis, Edward H. Kennedy, Luke Keele

arxiv:2402.09332 v1 · 2024-02-14 · 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{KQRQEG3J4X2BBWEMLDYDFBORNG}

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

4 papers in Pith

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The Multiplicative Instrumental Variable Model

The Multiplicative Quasi-Instrumental Variable Model

Receipt and verification

First computed	2026-07-05T07:45:12.321785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5423021b69e5f410d88c58f03285d16986f5da2c3f1e830d527a4645bbbfba7e

Aliases

arxiv: 2402.09332 · arxiv_version: 2402.09332v1 · doi: 10.48550/arxiv.2402.09332 · pith_short_12: KQRQEG3J4X2B · pith_short_16: KQRQEG3J4X2BBWEM · pith_short_8: KQRQEG3J

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/KQRQEG3J4X2BBWEMLDYDFBORNG \
  | 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: 5423021b69e5f410d88c58f03285d16986f5da2c3f1e830d527a4645bbbfba7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e68abdbd42d74fcd89817697c67363a37b43f28ca5d4dc8b8cf67753b445c597",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2024-02-14T17:24:57Z",
    "title_canon_sha256": "99ba2f3489840bfbac40f1c3ed00e9cddcd9ecd692ef7920aef5e6ffc4b1347e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.09332",
    "kind": "arxiv",
    "version": 1
  }
}