Pith Number

pith:3NL73BUM

pith:2025:3NL73BUM2MDHSB7WY4QYKOEC4T

not attested not anchored not stored refs pending

LSTM+Geo with xgBoost Filtering: A Novel Approach for Race and Ethnicity Imputation with Reduced Bias

A. Pastor, S. Chalavadi, T. Leitch

arxiv:2504.21259 v1 · 2025-04-30 · cs.CY · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3NL73BUM2MDHSB7WY4QYKOEC4T}

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.

Cited by

1 paper in Pith

NY Real Estate Racial Equity Analysis via Applied Machine Learning

Receipt and verification

First computed	2026-07-05T10:56:21.003989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db57fd868cd3067907f6c721853882e4e064b7d855a24b33fd347e29972f880f

Aliases

arxiv: 2504.21259 · arxiv_version: 2504.21259v1 · doi: 10.48550/arxiv.2504.21259 · pith_short_12: 3NL73BUM2MDH · pith_short_16: 3NL73BUM2MDHSB7W · pith_short_8: 3NL73BUM

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/3NL73BUM2MDHSB7WY4QYKOEC4T \
  | 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: db57fd868cd3067907f6c721853882e4e064b7d855a24b33fd347e29972f880f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b738b66a96e2bdad3fd414c159aec6549bdb56a6caf08d204569f313c32617f",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2025-04-30T02:20:08Z",
    "title_canon_sha256": "96caf26601ee23f56aa11ee0dac73931da7aae2465eac5febf1a47b524d41129"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.21259",
    "kind": "arxiv",
    "version": 1
  }
}