Pith Number

pith:SUK6PSA3

pith:2010:SUK6PSA3FRQSUXHEUQIOVGKGL5

not attested not anchored not stored refs pending

Structure of urban movements: polycentric activity and entangled hierarchical flows

Camille Roth, Marc Barthelemy, Michael Batty, Soong Moon Kang

arxiv:1001.4915 v3 · 2010-01-27 · physics.soc-ph · cond-mat.dis-nn · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SUK6PSA3FRQSUXHEUQIOVGKGL5}

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	2026-05-18T02:09:29.312591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9515e7c81b2c612a5ce4a410ea99465f788473382b414cb09111be6f2227d8fd

Aliases

arxiv: 1001.4915 · arxiv_version: 1001.4915v3 · doi: 10.48550/arxiv.1001.4915 · pith_short_12: SUK6PSA3FRQS · pith_short_16: SUK6PSA3FRQSUXHE · pith_short_8: SUK6PSA3

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/SUK6PSA3FRQSUXHEUQIOVGKGL5 \
  | 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: 9515e7c81b2c612a5ce4a410ea99465f788473382b414cb09111be6f2227d8fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a863fa3d2e48924af3b2d2b250d4fa43e4e1b1662fa094190cbcf76186ea71b",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2010-01-27T11:37:35Z",
    "title_canon_sha256": "1bcf8e9dc0e170a21af52db7cc1bd7b1e22d401e5c93d2dcaccf3743090bde76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.4915",
    "kind": "arxiv",
    "version": 3
  }
}