Pith Number

pith:XRCL3XSU

pith:2013:XRCL3XSUFL5T3SN5THYV5PYVYF

not attested not anchored not stored refs pending

Urban Mobility Scaling: Lessons from `Little Data'

Galen Wilkerson, Ramin Khalili, Stefan Schmid

arxiv:1401.0207 v2 · 2013-12-31 · physics.soc-ph · cs.CY · cs.SI · physics.data-an · 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{XRCL3XSUFL5T3SN5THYV5PYVYF}

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	2026-05-18T03:03:12.185412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc44bdde542afb3dc9bd99f15ebf15c177279e5d7f6ee8de33a3752b551aef6d

Aliases

arxiv: 1401.0207 · arxiv_version: 1401.0207v2 · doi: 10.48550/arxiv.1401.0207 · pith_short_12: XRCL3XSUFL5T · pith_short_16: XRCL3XSUFL5T3SN5 · pith_short_8: XRCL3XSU

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/XRCL3XSUFL5T3SN5THYV5PYVYF \
  | 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: bc44bdde542afb3dc9bd99f15ebf15c177279e5d7f6ee8de33a3752b551aef6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3099b463b1d9e228c35eba49b442fde0f8dc9f68240e61fd98affcddb619cc50",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.SI",
      "physics.data-an",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2013-12-31T19:13:48Z",
    "title_canon_sha256": "a091626c3812e9285ab9124d1211642f017dfd878b7b15dd982010d5b13348dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0207",
    "kind": "arxiv",
    "version": 2
  }
}