Pith Number

pith:VZ2V3LME

pith:2025:VZ2V3LMEGB6OVWJXWSXDSKO4ZD

not attested not anchored not stored refs pending

Estimating the Causal Effect of Redlining on Present-day Air Pollution

Brian J Reich, Shu Yang, Xiaodan Zhou

arxiv:2501.16958 v2 · 2025-01-28 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VZ2V3LMEGB6OVWJXWSXDSKO4ZD}

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	2026-07-05T10:31:26.441819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae755dad84307cead937b4ae3929dcc8ecebcc1acad8e1d0b0e54f93687804d0

Aliases

arxiv: 2501.16958 · arxiv_version: 2501.16958v2 · doi: 10.48550/arxiv.2501.16958 · pith_short_12: VZ2V3LMEGB6O · pith_short_16: VZ2V3LMEGB6OVWJX · pith_short_8: VZ2V3LME

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/VZ2V3LMEGB6OVWJXWSXDSKO4ZD \
  | 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: ae755dad84307cead937b4ae3929dcc8ecebcc1acad8e1d0b0e54f93687804d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc195dbf6b4d1c8eacd01d6a485325e17070eecc8f2793463b28aeef42ac5d9a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2025-01-28T14:00:07Z",
    "title_canon_sha256": "7102924537d62e28d2108710647723e582a04f53a43f4bb4f49a396c49626bc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.16958",
    "kind": "arxiv",
    "version": 2
  }
}