Pith Number

pith:OUXE5AWR

pith:2025:OUXE5AWRFVR4ZUITC7422EAWWW

not attested not anchored not stored refs pending

Estimating Hourly Neighborhood Population Using Mobile Phone Data in the United States

Huan Ning, Manzhu Yu, Shan Qiao, Shiyan Zhang, Zhenlong Li

arxiv:2504.01170 v2 · 2025-04-01 · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OUXE5AWRFVR4ZUITC7422EAWWW}

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	2026-07-05T12:05:41.733222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

752e4e82d12d63ccd11317f9ad1016b595646c0e01a82c7e36be5487c8062401

Aliases

arxiv: 2504.01170 · arxiv_version: 2504.01170v2 · doi: 10.48550/arxiv.2504.01170 · pith_short_12: OUXE5AWRFVR4 · pith_short_16: OUXE5AWRFVR4ZUIT · pith_short_8: OUXE5AWR

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/OUXE5AWRFVR4ZUITC7422EAWWW \
  | 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: 752e4e82d12d63ccd11317f9ad1016b595646c0e01a82c7e36be5487c8062401

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb2b27678d1c05da0aad24484b0aad57dbc8700cf8786c273d2ba593d4c16edd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2025-04-01T20:25:32Z",
    "title_canon_sha256": "8895f75fcf00e565680828401c51a6793d259c71566e974c20e043d2a4ec18ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.01170",
    "kind": "arxiv",
    "version": 2
  }
}