Pith Number

pith:WFX6VUEO

pith:2019:WFX6VUEOTR3NV33P54EURP43HJ

not attested not anchored not stored refs pending

Enhancing countries' fitness with recommender systems on the international trade network

Alexandre Vidmer, Hao Liao, Ming-Kai Liu, Mingyang Zhou, Xiao-Min Huang, Xing-Tong Wu, Yi-Cheng Zhang

arxiv:1904.02412 v1 · 2019-04-04 · cs.SI · 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{WFX6VUEOTR3NV33P54EURP43HJ}

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	2026-05-17T23:49:23.762557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b16fead08e9c76daef6fef0948bf9b3a7b6c093ca7598b2d998b382bd588437f

Aliases

arxiv: 1904.02412 · arxiv_version: 1904.02412v1 · doi: 10.48550/arxiv.1904.02412 · pith_short_12: WFX6VUEOTR3N · pith_short_16: WFX6VUEOTR3NV33P · pith_short_8: WFX6VUEO

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/WFX6VUEOTR3NV33P54EURP43HJ \
  | 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: b16fead08e9c76daef6fef0948bf9b3a7b6c093ca7598b2d998b382bd588437f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db16d6e284d0e2472a58f05ce9acb8c21fce87bc7e5e5af8393e82c612a68ae9",
    "cross_cats_sorted": [
      "q-fin.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2019-04-04T08:53:46Z",
    "title_canon_sha256": "2d0e2e65571b1cac3240a7e85ed0859bf3bef17d7aaccaa1be8fdf1fd6b9eac8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02412",
    "kind": "arxiv",
    "version": 1
  }
}