Pith Number

pith:BPCSUTKJ

pith:2011:BPCSUTKJOZPSIMNUBQEXTIUPOE

not attested not anchored not stored refs pending

The Network Structure of Economic Output

Cesar A. Hidalgo, Ricardo Hausmann

arxiv:1101.1707 v2 · 2011-01-10 · q-fin.GN · 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{BPCSUTKJOZPSIMNUBQEXTIUPOE}

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	2026-05-18T04:01:11.702682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bc52a4d49765f2431b40c0979a28f711a215231d90e3e1972295ac1595c5e33

Aliases

arxiv: 1101.1707 · arxiv_version: 1101.1707v2 · doi: 10.48550/arxiv.1101.1707 · pith_short_12: BPCSUTKJOZPS · pith_short_16: BPCSUTKJOZPSIMNU · pith_short_8: BPCSUTKJ

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/BPCSUTKJOZPSIMNUBQEXTIUPOE \
  | 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: 0bc52a4d49765f2431b40c0979a28f711a215231d90e3e1972295ac1595c5e33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1099046f97d9be1868f144480cfa396101bfe7aded450b14451371fca940a45",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.GN",
    "submitted_at": "2011-01-10T05:03:29Z",
    "title_canon_sha256": "c53eb544f4102cd9b748a7c3a112b3ec629adbe9f66fa3d0b66831e723b01acc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1707",
    "kind": "arxiv",
    "version": 2
  }
}