Pith Number

pith:ENYUC252

pith:2023:ENYUC252RV2NKJEKMR4K5DMELW

not attested not anchored not stored refs pending

Park visitation and walkshed demographics in the United States

Christopher M. Danforth, Jarlath P. M. O'Neil-Dunne, Kelsey Linnell, Laura Bloomfield, Mikaela Fudolig, Peter Sheridan Dodds, Taylor H. Ricketts, Thomas McAndrew

arxiv:2305.12160 v1 · 2023-05-20 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ENYUC252RV2NKJEKMR4K5DMELW}

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	2026-07-05T06:12:07.190791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2371416bba8d74d5248a6478ae8d845db2d185594b75fbb3da9f38ebb19a1c36

Aliases

arxiv: 2305.12160 · arxiv_version: 2305.12160v1 · doi: 10.48550/arxiv.2305.12160 · pith_short_12: ENYUC252RV2N · pith_short_16: ENYUC252RV2NKJEK · pith_short_8: ENYUC252

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/ENYUC252RV2NKJEKMR4K5DMELW \
  | 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: 2371416bba8d74d5248a6478ae8d845db2d185594b75fbb3da9f38ebb19a1c36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2c590b54f63d6f0282bc8ae721ae43443588ade4cb047b970dfde0017c555f7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2023-05-20T10:39:07Z",
    "title_canon_sha256": "db8d5e14ce4a5e333e0de7d31dbea9fef024457b05eba66c7e6e2eebc92bc4b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.12160",
    "kind": "arxiv",
    "version": 1
  }
}