Pith Number

pith:DPWFT46X

pith:2015:DPWFT46XGIX6ZH3X7WNQISAS3J

not attested not anchored not stored refs pending

Human diffusion and city influence

Ant\`onia Tugores, Bruno Gon\c{c}alves, Jos\'e J. Ramasco, Maxime Lenormand

arxiv:1501.07788 v2 · 2015-01-30 · 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{DPWFT46XGIX6ZH3X7WNQISAS3J}

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	2026-05-18T01:36:25.725616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bec59f3d7322fec9f77fd9b044812da722872041e03136e562688c0e5fadc85

Aliases

arxiv: 1501.07788 · arxiv_version: 1501.07788v2 · doi: 10.48550/arxiv.1501.07788 · pith_short_12: DPWFT46XGIX6 · pith_short_16: DPWFT46XGIX6ZH3X · pith_short_8: DPWFT46X

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/DPWFT46XGIX6ZH3X7WNQISAS3J \
  | 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: 1bec59f3d7322fec9f77fd9b044812da722872041e03136e562688c0e5fadc85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4239d2978861e197e28d76535acadaa736d3cdc8505e7042094c3d406315e50e",
    "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": "2015-01-30T14:39:24Z",
    "title_canon_sha256": "34d62c109a4f9e3b1ce45f297ebd92bdc9e85db5d1ea75e5fd73dfaebb8c2a62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07788",
    "kind": "arxiv",
    "version": 2
  }
}