Pith Number

pith:ON7P6EC4

pith:2019:ON7P6EC4PML6OOCUUGPQEVKZ22

not attested not anchored not stored refs pending

Regional economic convergence and spatial quantile regression

Alfredo Cartone, Geoffrey JD Hewings, Paolo Postiglione

arxiv:1906.04613 v1 · 2019-06-11 · stat.AP · econ.EM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ON7P6EC4PML6OOCUUGPQEVKZ22}

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	2026-05-17T23:43:33.931345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

737eff105c7b17e73854a19f025559d6bd705154ce0cb001641063824c0393cd

Aliases

arxiv: 1906.04613 · arxiv_version: 1906.04613v1 · doi: 10.48550/arxiv.1906.04613 · pith_short_12: ON7P6EC4PML6 · pith_short_16: ON7P6EC4PML6OOCU · pith_short_8: ON7P6EC4

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/ON7P6EC4PML6OOCUUGPQEVKZ22 \
  | 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: 737eff105c7b17e73854a19f025559d6bd705154ce0cb001641063824c0393cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8710926ee2592b3687f5c37df8543a673a9f4d580863821e308d74b4c0987ba0",
    "cross_cats_sorted": [
      "econ.EM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2019-06-11T14:16:44Z",
    "title_canon_sha256": "48396e1d4152fd668b6c822fb0a3367644985837960cd348e4b70818fa5b9991"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04613",
    "kind": "arxiv",
    "version": 1
  }
}