Pith Number

pith:ZEDLWR6L

pith:2022:ZEDLWR6L4DPOOODTWTCOZ7DQAL

not attested not anchored not stored refs pending

The universality in urban commuting across and within cities

Carlo Ratti, Lei Dong, Paolo Santi, Siqi Zheng, Yu Liu

arxiv:2204.12865 v1 · 2022-04-27 · physics.soc-ph · econ.GN · q-fin.EC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZEDLWR6L4DPOOODTWTCOZ7DQAL}

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.

Cited by

1 paper in Pith

A Global Commuting Origin-Destination Flow Dataset for Urban Sustainable Development

Receipt and verification

First computed	2026-07-05T04:18:23.555054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c906bb47cbe0dee73873b4c4ecfc7002f7c4f59fe87b4e4dcf291da72ba32c62

Aliases

arxiv: 2204.12865 · arxiv_version: 2204.12865v1 · doi: 10.48550/arxiv.2204.12865 · pith_short_12: ZEDLWR6L4DPO · pith_short_16: ZEDLWR6L4DPOOODT · pith_short_8: ZEDLWR6L

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/ZEDLWR6L4DPOOODTWTCOZ7DQAL \
  | 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: c906bb47cbe0dee73873b4c4ecfc7002f7c4f59fe87b4e4dcf291da72ba32c62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cdda12568dbb2a4cd6272210960354ca95f717f99b91f787648c730f62bafe7",
    "cross_cats_sorted": [
      "econ.GN",
      "q-fin.EC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2022-04-27T12:00:22Z",
    "title_canon_sha256": "13aef134d5eb7f18741cafb0a4b6067144ec7a4dadf3e27d4c9e6750fd957ed8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.12865",
    "kind": "arxiv",
    "version": 1
  }
}