Pith Number

pith:ZWRPLSX6

pith:2015:ZWRPLSX6XMW5HJD74G6PAERPDH

not attested not anchored not stored refs pending

Discussion of "Spatial accessibility of pediatric primary healthcare: Measurement and inference"

Lance A. Waller

arxiv:1501.03885 v1 · 2015-01-16 · 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{ZWRPLSX6XMW5HJD74G6PAERPDH}

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	2026-05-18T02:29:16.822043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cda2f5cafebb2dd3a47fe1bcf0122f19f73eea07061366e43bb8382defaa3c0c

Aliases

arxiv: 1501.03885 · arxiv_version: 1501.03885v1 · doi: 10.48550/arxiv.1501.03885 · pith_short_12: ZWRPLSX6XMW5 · pith_short_16: ZWRPLSX6XMW5HJD7 · pith_short_8: ZWRPLSX6

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/ZWRPLSX6XMW5HJD74G6PAERPDH \
  | 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: cda2f5cafebb2dd3a47fe1bcf0122f19f73eea07061366e43bb8382defaa3c0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd1c1e681309a36e54684259e1fb386c662ea9d558699bd5944c7a52f565a5c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2015-01-16T06:10:21Z",
    "title_canon_sha256": "d5d788bd14df72538c2d3c9284523e9c3dd6ead0543910c576bd871fa9969e2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.03885",
    "kind": "arxiv",
    "version": 1
  }
}