Pith Number

pith:OX4TAS5Y

pith:2011:OX4TAS5YCE2TRSDIF5P62XQVTT

not attested not anchored not stored refs pending

A network analysis of countries' export flows: firm grounds for the building blocks of the economy

Andrea Gabrielli, Andrea Tacchella, Antonio Scala, Guido Caldarelli, Luciano Pietronero, Matthieu Cristelli

arxiv:1108.2590 v2 · 2011-08-12 · physics.soc-ph · cs.SI · physics.comp-ph · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OX4TAS5YCE2TRSDIF5P62XQVTT}

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	2026-05-18T03:40:14.466040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75f9304bb8113538c8682f5fed5e159cf9858ceb821eac08afb7e1bf5f128581

Aliases

arxiv: 1108.2590 · arxiv_version: 1108.2590v2 · doi: 10.48550/arxiv.1108.2590 · pith_short_12: OX4TAS5YCE2T · pith_short_16: OX4TAS5YCE2TRSDI · pith_short_8: OX4TAS5Y

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/OX4TAS5YCE2TRSDIF5P62XQVTT \
  | 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: 75f9304bb8113538c8682f5fed5e159cf9858ceb821eac08afb7e1bf5f128581

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d584c8e2bd823fc773efd410139d8141411513182f35fd720107c45ba8c96ddb",
    "cross_cats_sorted": [
      "cs.SI",
      "physics.comp-ph",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2011-08-12T08:51:53Z",
    "title_canon_sha256": "c9db69bfea0d9552bbfb98c8736f645e56fab89311281dcd241947dfa2246012"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2590",
    "kind": "arxiv",
    "version": 2
  }
}