Pith Number

pith:EO34TD4E

pith:2014:EO34TD4E66MQXV4AKEZ3KJJCG2

not attested not anchored not stored refs pending

How the Taxonomy of Products Drives the Economic Development of Countries

Andrea Tacchella, Andrea Zaccaria, Luciano Pietronero, Matthieu Cristelli

arxiv:1408.2138 v1 · 2014-08-09 · q-fin.EC · q-fin.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EO34TD4E66MQXV4AKEZ3KJJCG2}

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	2026-05-18T02:30:40.007655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23b7c98f84f7990bd7805133b525223690e987a6548233fe077958bc68d10117

Aliases

arxiv: 1408.2138 · arxiv_version: 1408.2138v1 · doi: 10.48550/arxiv.1408.2138 · pith_short_12: EO34TD4E66MQ · pith_short_16: EO34TD4E66MQXV4A · pith_short_8: EO34TD4E

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/EO34TD4E66MQXV4AKEZ3KJJCG2 \
  | 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: 23b7c98f84f7990bd7805133b525223690e987a6548233fe077958bc68d10117

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c875e8aabe02dda07011e60f20779d782cd59fa25e5261cf4f8cf95fbd9dfebe",
    "cross_cats_sorted": [
      "q-fin.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.EC",
    "submitted_at": "2014-08-09T17:18:48Z",
    "title_canon_sha256": "663d19402e819b1194fe9fd4313c0d4f353084be457705900ccccb5fa8a8418b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2138",
    "kind": "arxiv",
    "version": 1
  }
}