pith. sign in
Pith Number

pith:CGZSTBRX

pith:2011:CGZSTBRXRU7IDB4QZF3SMNNGQC
not attested not anchored not stored refs pending

The "S" Curve Relationship between Export Diversity and Economic Size of Countries

Jiang Zhang, Kailan Tian, Lunchao Hu, Xin Wang

arxiv:1105.5891 v1 · 2011-05-30 · q-fin.GN · physics.soc-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{CGZSTBRXRU7IDB4QZF3SMNNGQC}

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 2026-05-18T02:01:46.368039Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

11b32986378d3e818790c9772635a680baed90e8e2165fcada32b80f93e4b70f

Aliases

arxiv: 1105.5891 · arxiv_version: 1105.5891v1 · doi: 10.48550/arxiv.1105.5891 · pith_short_12: CGZSTBRXRU7I · pith_short_16: CGZSTBRXRU7IDB4Q · pith_short_8: CGZSTBRX
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/CGZSTBRXRU7IDB4QZF3SMNNGQC \
  | 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: 11b32986378d3e818790c9772635a680baed90e8e2165fcada32b80f93e4b70f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c8f02a979244dd40020c9a6c0b532dd7890fdafa1652a3b5e3b937b445446704",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.GN",
    "submitted_at": "2011-05-30T07:47:51Z",
    "title_canon_sha256": "043000859c74aed0ef87de11b4a0f889c37f5fb24e5428acae5a9d333745b94d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.5891",
    "kind": "arxiv",
    "version": 1
  }
}