Pith Number

pith:L3RSJ7MI

pith:2018:L3RSJ7MIXOSYXSV3TZZUG5RGZ4

not attested not anchored not stored refs pending

Productive Ecosystems and the Arrow of Development

Muhammed A. Yildirim, Neave O'Clery, Ricardo Hausmann

arxiv:1807.03374 v2 · 2018-07-09 · physics.soc-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{L3RSJ7MIXOSYXSV3TZZUG5RGZ4}

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	2026-05-18T00:06:37.651938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ee324fd88bba58bcabb9e73437626cf128046f2fdfa4077a44c45bc33678263

Aliases

arxiv: 1807.03374 · arxiv_version: 1807.03374v2 · doi: 10.48550/arxiv.1807.03374 · pith_short_12: L3RSJ7MIXOSY · pith_short_16: L3RSJ7MIXOSYXSV3 · pith_short_8: L3RSJ7MI

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/L3RSJ7MIXOSYXSV3TZZUG5RGZ4 \
  | 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: 5ee324fd88bba58bcabb9e73437626cf128046f2fdfa4077a44c45bc33678263

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "127983734053d666f5fcb5a3f257c9a077905aaf34a292e9d524421a9267b780",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-07-09T20:29:54Z",
    "title_canon_sha256": "79e421bf1500e0d93037ea3c804dc2ebe99667bc283a2aa5f4228a0c03e56446"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.03374",
    "kind": "arxiv",
    "version": 2
  }
}