Pith Number

pith:RPZDD5K3

pith:2009:RPZDD5K3ZLVQJNWNJ6IFM4YV2H

not attested not anchored not stored refs pending

Average and Quantile Effects in Nonseparable Panel Models

Ivan Fernandez-Val, Jinyong Hahn, Victor Chernozhukov, Whitney Newey

arxiv:0904.1990 v4 · 2009-04-13 · 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{RPZDD5K3ZLVQJNWNJ6IFM4YV2H}

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	2026-05-18T00:26:47.679223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bf231f55bcaeb04b6cd4f90567315d1e1f8195f8464b193b4e80e7ade02cb93

Aliases

arxiv: 0904.1990 · arxiv_version: 0904.1990v4 · doi: 10.48550/arxiv.0904.1990 · pith_short_12: RPZDD5K3ZLVQ · pith_short_16: RPZDD5K3ZLVQJNWN · pith_short_8: RPZDD5K3

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/RPZDD5K3ZLVQJNWNJ6IFM4YV2H \
  | 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: 8bf231f55bcaeb04b6cd4f90567315d1e1f8195f8464b193b4e80e7ade02cb93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbdf1f6e3d4dc07e11c9e3e87f4e1849d6251db4702d9c77c46719fd60f04037",
    "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": "2009-04-13T19:13:57Z",
    "title_canon_sha256": "e7a994ab5851b34b4ae6469a398209b969bd79cbca770a02938deee7e45017e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1990",
    "kind": "arxiv",
    "version": 4
  }
}