Pith Number

pith:QDAB4MXC

pith:2018:QDAB4MXCMSEQM3SHSDN4XJJNKZ

not attested not anchored not stored refs pending

Simple Local Polynomial Density Estimators

Matias D. Cattaneo, Michael Jansson, Xinwei Ma

arxiv:1811.11512 v2 · 2018-11-28 · econ.EM · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QDAB4MXCMSEQM3SHSDN4XJJNKZ}

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	2026-05-17T23:43:50.434696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80c01e32e26489066e4790dbcba52d566cce8b8c106f9000273665f056bc296b

Aliases

arxiv: 1811.11512 · arxiv_version: 1811.11512v2 · doi: 10.48550/arxiv.1811.11512 · pith_short_12: QDAB4MXCMSEQ · pith_short_16: QDAB4MXCMSEQM3SH · pith_short_8: QDAB4MXC

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/QDAB4MXCMSEQM3SHSDN4XJJNKZ \
  | 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: 80c01e32e26489066e4790dbcba52d566cce8b8c106f9000273665f056bc296b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5df265637e50a89bb6fcf75c2a6c16646074e51cbca2c1f2a6be204749bf882",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2018-11-28T11:55:10Z",
    "title_canon_sha256": "33541196cdcf0a591bec4d537438004afc9aeb46e4bcf266d4e357d0f713885c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11512",
    "kind": "arxiv",
    "version": 2
  }
}