Pith Number

pith:VKDXEM52

pith:2026:VKDXEM52I5T7F5Z2WQQT3ANCZW

not attested not anchored not stored refs pending

Crowd-Sourced Geographies of Income: Using Google Maps Points of Interest as High-Frequency Proxies for Sub-Municipal Income Estimation in Sao Paulo, Brazil

Ademar Takeo Akabane, Adrienne C. Kinney, Anya Workman, Fernando Nascimento, Jenna Barac, Jeova Farias, Paulo Fernando Braga Carvalho, Paulo Ricardo da Silva Oliveira

arxiv:2608.07871 v1 · 2026-08-08 · stat.AP · 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{VKDXEM52I5T7F5Z2WQQT3ANCZW}

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	2026-08-11T01:18:47.359159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa877233ba4767f2f73ab4213d81a2cd916c922ea91ef2605fabe7409a632539

Aliases

arxiv: 2608.07871 · arxiv_version: 2608.07871v1 · doi: 10.48550/arxiv.2608.07871 · pith_short_12: VKDXEM52I5T7 · pith_short_16: VKDXEM52I5T7F5Z2 · pith_short_8: VKDXEM52

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/VKDXEM52I5T7F5Z2WQQT3ANCZW \
  | 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: aa877233ba4767f2f73ab4213d81a2cd916c922ea91ef2605fabe7409a632539

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd99c22f35b2875f7fab4bf61e2717dfad9d0eb4a7f700c0fbc3e5b1e14999c8",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2026-08-08T02:54:31Z",
    "title_canon_sha256": "4725aae4ebf15b038ae5d9f785ab5abae5281b85e394cceb24a8d737ef27085d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.07871",
    "kind": "arxiv",
    "version": 1
  }
}