Pith Number

pith:EUDEX37L

pith:2020:EUDEX37LB5IAHWIGY357JKTXGY

not attested not anchored not stored refs pending

Hamiltonian Modeling of Macro-Economic Urban Dynamics

and Vittorio Loreto, Bernardo Monechi, Miguel Ib\'a\~nez-Berganza

arxiv:2001.05725 v4 · 2020-01-16 · physics.soc-ph · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EUDEX37LB5IAHWIGY357JKTXGY}

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	2026-07-05T01:36:49.289244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25064befeb0f5003d906c6fbf4aa7736307a1d89e55476512a8c6adf48dbc76c

Aliases

arxiv: 2001.05725 · arxiv_version: 2001.05725v4 · doi: 10.48550/arxiv.2001.05725 · pith_short_12: EUDEX37LB5IA · pith_short_16: EUDEX37LB5IAHWIG · pith_short_8: EUDEX37L

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/EUDEX37LB5IAHWIGY357JKTXGY \
  | 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: 25064befeb0f5003d906c6fbf4aa7736307a1d89e55476512a8c6adf48dbc76c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9080ccbcbeda119439580e0452b28aabdfd93a5d3fd90796b9925093662bb0de",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2020-01-16T10:14:34Z",
    "title_canon_sha256": "0a751861ce57549417af2e1d507011a36b5b3730bbb8ef6854491e2fe6486e2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.05725",
    "kind": "arxiv",
    "version": 4
  }
}