Pith Number

pith:7LA57VCH

pith:2020:7LA57VCHMXX2R7BWZE3BKOTEGY

not attested not anchored not stored refs pending

Determination of Latent Dimensionality in International Trade Flow

Boian S. Alexandrov, Duc P. Truong, Erik Skau, Vladimir I. Valtchinov

arxiv:2003.00129 v1 · 2020-02-29 · cs.LG · cs.IR · econ.GN · q-fin.EC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7LA57VCHMXX2R7BWZE3BKOTEGY}

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	2026-07-05T01:24:49.985458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fac1dfd44765efa8fc36c936153a6436079149ae74180f9420d8b3f3cd48e68a

Aliases

arxiv: 2003.00129 · arxiv_version: 2003.00129v1 · doi: 10.48550/arxiv.2003.00129 · pith_short_12: 7LA57VCHMXX2 · pith_short_16: 7LA57VCHMXX2R7BW · pith_short_8: 7LA57VCH

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/7LA57VCHMXX2R7BWZE3BKOTEGY \
  | 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: fac1dfd44765efa8fc36c936153a6436079149ae74180f9420d8b3f3cd48e68a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7acda31627ead816483a5f7024a7abe361db6f8dbe3742a3c152c05ed9adfb31",
    "cross_cats_sorted": [
      "cs.IR",
      "econ.GN",
      "q-fin.EC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-02-29T00:06:01Z",
    "title_canon_sha256": "97c8bf87e70b0a04892263b3af1fb0ddf3b53c593fc2ee8132038184ccd24023"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.00129",
    "kind": "arxiv",
    "version": 1
  }
}