Pith Number

pith:2DMWQL42

pith:2017:2DMWQL42C67GRGYCL3BXEBZRRH

not attested not anchored not stored refs pending

Optimal diversification strategies in the networks of related products and of related research areas

Aamena Alshamsi, Cesar A. Hidalgo, Flavio L. Pinheiro

arxiv:1705.00232 v2 · 2017-04-29 · physics.soc-ph · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2DMWQL42C67GRGYCL3BXEBZRRH}

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	2026-05-18T00:16:32.214987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0d9682f9a17be689b025ec372073189efed86562dd962ee1e72a29f6720bf8f

Aliases

arxiv: 1705.00232 · arxiv_version: 1705.00232v2 · doi: 10.48550/arxiv.1705.00232 · pith_short_12: 2DMWQL42C67G · pith_short_16: 2DMWQL42C67GRGYC · pith_short_8: 2DMWQL42

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/2DMWQL42C67GRGYCL3BXEBZRRH \
  | 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: d0d9682f9a17be689b025ec372073189efed86562dd962ee1e72a29f6720bf8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c932c48caf5a5a12fb7d9a3481c531ab627664aee548dee8ee6e350e6296c35",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2017-04-29T20:18:14Z",
    "title_canon_sha256": "8b12860919a7d5aeafb18d976835bcd3200c38ef24f15f75157c4bb5d3002900"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.00232",
    "kind": "arxiv",
    "version": 2
  }
}