Pith Number

pith:U3TYSJMB

pith:2015:U3TYSJMBMFNDOKYKJEP5SRUDEU

not attested not anchored not stored refs pending

Measuring economic complexity of countries and products: which metric to use?

Alexandre Vidmer, Manuel Sebastian Mariani, Matus Medo, Yi-Cheng Zhang

arxiv:1509.01482 v1 · 2015-09-04 · 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{U3TYSJMBMFNDOKYKJEP5SRUDEU}

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	2026-05-18T01:24:52.626476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6e7892581615a372b0a491fd94683251a2557af08cf03528425d7be80a7f397

Aliases

arxiv: 1509.01482 · arxiv_version: 1509.01482v1 · doi: 10.48550/arxiv.1509.01482 · pith_short_12: U3TYSJMBMFND · pith_short_16: U3TYSJMBMFNDOKYK · pith_short_8: U3TYSJMB

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/U3TYSJMBMFNDOKYKJEP5SRUDEU \
  | 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: a6e7892581615a372b0a491fd94683251a2557af08cf03528425d7be80a7f397

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5788ce2b66c7b512be2936ef54ca8cb541bcd155427588d20050683bd0f39c0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.EC",
    "submitted_at": "2015-09-04T15:03:56Z",
    "title_canon_sha256": "cdbd12144ad3f3d39b62ae78fa4f294e3775c7796b69722ecb045e4aa0b977da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.01482",
    "kind": "arxiv",
    "version": 1
  }
}