Pith Number

pith:NRAUHCDG

pith:2018:NRAUHCDGKVBJ33N3DP7WPFYE7X

not attested not anchored not stored refs pending

Alonso and the Scaling of Urban Profiles

Geoffrey Caruso, Justin Delloye, R\'emi Lemoy

arxiv:1801.07512 v1 · 2018-01-23 · physics.soc-ph · 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{NRAUHCDGKVBJ33N3DP7WPFYE7X}

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	2026-05-18T00:25:12.696104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c4143886655429dedbb1bff679704fddd739b76900b196e672ba22d7d759b2b

Aliases

arxiv: 1801.07512 · arxiv_version: 1801.07512v1 · doi: 10.48550/arxiv.1801.07512 · pith_short_12: NRAUHCDGKVBJ · pith_short_16: NRAUHCDGKVBJ33N3 · pith_short_8: NRAUHCDG

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/NRAUHCDGKVBJ33N3DP7WPFYE7X \
  | 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: 6c4143886655429dedbb1bff679704fddd739b76900b196e672ba22d7d759b2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb9e1c70db047210aef05534a1b52191069566a8448b3ac1f6938cb2e1be94c6",
    "cross_cats_sorted": [
      "q-fin.EC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-01-23T12:37:07Z",
    "title_canon_sha256": "0d6c0ec7c98f76736f8e2e5ebb2d90a9a282e7e51b1fb3f6db4c708118cacfb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07512",
    "kind": "arxiv",
    "version": 1
  }
}