Pith Number

pith:IVFEEZGS

pith:2020:IVFEEZGS2YT7X67XIHLFKGEHRB

not attested not anchored not stored refs pending

Mostly Harmless Machine Learning: Learning Optimal Instruments in Linear IV Models

Daniel L. Chen, Greg Lewis, Jiafeng Chen

arxiv:2011.06158 v3 · 2020-11-12 · econ.EM · cs.LG · stat.ME

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IVFEEZGS2YT7X67XIHLFKGEHRB}

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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

1 paper in Pith

Machine learning the first stage in 2SLS: Practical guidance from bias decomposition and simulation

Receipt and verification

First computed	2026-07-05T02:50:41.956603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

454a4264d2d627fbfbf741d655188788661f299c8daa4bc5b18363cae868ae64

Aliases

arxiv: 2011.06158 · arxiv_version: 2011.06158v3 · doi: 10.48550/arxiv.2011.06158 · pith_short_12: IVFEEZGS2YT7 · pith_short_16: IVFEEZGS2YT7X67X · pith_short_8: IVFEEZGS

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/IVFEEZGS2YT7X67XIHLFKGEHRB \
  | 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: 454a4264d2d627fbfbf741d655188788661f299c8daa4bc5b18363cae868ae64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f500fd619b6ccb77a5e1489666949f851b65684c6606d8827f5a57e3fcde35d5",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ME"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2020-11-12T01:55:11Z",
    "title_canon_sha256": "5198864ee4bb122ab2ea3a9b0b725f70576c8a26308acb7fa373cf4973377edb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.06158",
    "kind": "arxiv",
    "version": 3
  }
}