Pith Number

pith:U6Q26L4V

pith:2016:U6Q26L4VOM2WN3ALNHZLE3K5KO

not attested not anchored not stored refs pending

Smoothed estimating equations for instrumental variables quantile regression

David M. Kaplan, Yixiao Sun

arxiv:1609.09033 v1 · 2016-09-28 · stat.ME · econ.EM · math.ST · stat.AP · 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{U6Q26L4VOM2WN3ALNHZLE3K5KO}

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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.

Receipt and verification

First computed	2026-05-18T00:22:29.711061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7a1af2f95733566ec0b69f2b26d5d538209aa74827c91cc07c02ef121f100e0

Aliases

arxiv: 1609.09033 · arxiv_version: 1609.09033v1 · doi: 10.48550/arxiv.1609.09033 · pith_short_12: U6Q26L4VOM2W · pith_short_16: U6Q26L4VOM2WN3AL · pith_short_8: U6Q26L4V

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/U6Q26L4VOM2WN3ALNHZLE3K5KO \
  | 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: a7a1af2f95733566ec0b69f2b26d5d538209aa74827c91cc07c02ef121f100e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9b6b907c5faf2cc053f0da34a416fe063cf75c9b5bd83021bc1acb4fb8d7732",
    "cross_cats_sorted": [
      "econ.EM",
      "math.ST",
      "stat.AP",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2016-09-28T18:33:54Z",
    "title_canon_sha256": "46d2eee68b8b859922966a87c527c076df0e290ae1edcad516b9c1789f8685e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.09033",
    "kind": "arxiv",
    "version": 1
  }
}