Pith Number

pith:4P44V7J3

pith:2024:4P44V7J3QB4I3NT2Q765QEDUZL

not attested not anchored not stored refs pending

Variable importance measure for spatial machine learning models with application to air pollution exposure prediction

Adam Szpiro, Ali Shojaie, Lianne Sheppard, Magali N. Blanco, Si Cheng

arxiv:2406.01982 v1 · 2024-06-04 · stat.AP · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4P44V7J3QB4I3NT2Q765QEDUZL}

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	2026-07-05T08:27:12.570991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3f9cafd3b80788db67a87fdd81074cadd48cdfd50290094d143d97eb7f48bfb

Aliases

arxiv: 2406.01982 · arxiv_version: 2406.01982v1 · doi: 10.48550/arxiv.2406.01982 · pith_short_12: 4P44V7J3QB4I · pith_short_16: 4P44V7J3QB4I3NT2 · pith_short_8: 4P44V7J3

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/4P44V7J3QB4I3NT2Q765QEDUZL \
  | 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: e3f9cafd3b80788db67a87fdd81074cadd48cdfd50290094d143d97eb7f48bfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4997682d71e645b9a542831f050d3e41365dff185316f5f3b03b67218e916f80",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2024-06-04T05:51:36Z",
    "title_canon_sha256": "4de77e7a7bb56da35640b18d07d896fe42dc305dfdb9d9a27b00e85fa1f4a7ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.01982",
    "kind": "arxiv",
    "version": 1
  }
}