Pith Number

pith:75SOKHVP

pith:2018:75SOKHVPJSYB6BUPKJMCT7MAFC

not attested not anchored not stored refs pending

Marginal Structural Models for Time-varying Endogenous Treatments: A Time-Varying Instrumental Variable Approach

Eric J Tchetgen Tchetgen, Haben Michael, Yifan Cui

arxiv:1809.05422 v1 · 2018-09-14 · stat.ME

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{75SOKHVPJSYB6BUPKJMCT7MAFC}

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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

2 papers in Pith

The Multiplicative Quasi-Instrumental Variable Model

Receipt and verification

First computed	2026-05-18T00:05:41.485283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff64e51eaf4cb01f068f525829fd80288ac94741ae52ae63f1a8de6881507df3

Aliases

arxiv: 1809.05422 · arxiv_version: 1809.05422v1 · doi: 10.48550/arxiv.1809.05422 · pith_short_12: 75SOKHVPJSYB · pith_short_16: 75SOKHVPJSYB6BUP · pith_short_8: 75SOKHVP

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/75SOKHVPJSYB6BUPKJMCT7MAFC \
  | 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: ff64e51eaf4cb01f068f525829fd80288ac94741ae52ae63f1a8de6881507df3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e56a4cb4e85e436e9f9aba3853179a267abf6ad710de3373a6e68359a7f7ba6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2018-09-14T13:47:47Z",
    "title_canon_sha256": "0f69d8bc846a75279124577cf54b5dd2db682cea4772a00e5cde4e42b7f49305"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05422",
    "kind": "arxiv",
    "version": 1
  }
}