Pith Number

pith:PS7AQFLT

pith:2023:PS7AQFLTZYWGFOCHSJDHXLO55Z

not attested not anchored not stored refs pending

Minimax Instrumental Variable Regression and $L_2$ Convergence Guarantees without Identification or Closedness

Andrew Bennett, Masatoshi Uehara, Nathan Kallus, Vasilis Syrgkanis, Whitney Newey, Xiaojie Mao

arxiv:2302.05404 v1 · 2023-02-10 · stat.ML · cs.LG · econ.EM · math.ST · stat.ME · stat.TH

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PS7AQFLTZYWGFOCHSJDHXLO55Z}

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.

Receipt and verification

First computed	2026-07-05T05:40:38.923241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cbe081573ce2c62b84792467badddee4bf00eb7741d658b1a2edc440f25de64

Aliases

arxiv: 2302.05404 · arxiv_version: 2302.05404v1 · doi: 10.48550/arxiv.2302.05404 · pith_short_12: PS7AQFLTZYWG · pith_short_16: PS7AQFLTZYWGFOCH · pith_short_8: PS7AQFLT

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/PS7AQFLTZYWGFOCHSJDHXLO55Z \
  | 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: 7cbe081573ce2c62b84792467badddee4bf00eb7741d658b1a2edc440f25de64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2025a4eb300df290d91c5e133dcef1b2f88bcddfc81e973e7b4a06f1d922a080",
    "cross_cats_sorted": [
      "cs.LG",
      "econ.EM",
      "math.ST",
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2023-02-10T18:08:49Z",
    "title_canon_sha256": "318e2b1b67c985e4b09332d5396affdbbf1492190bad5f859823066e294c46d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.05404",
    "kind": "arxiv",
    "version": 1
  }
}