Pith Number

pith:B4NXCR42

pith:2017:B4NXCR42B6X3CD2FAZOQXJG373

not attested not anchored not stored refs pending

Urn model for products' shares in international trade

D.-S. Lee, Matthieu Barbier

arxiv:1801.04910 v1 · 2017-12-14 · q-fin.TR · cond-mat.stat-mech · 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{B4NXCR42B6X3CD2FAZOQXJG373}

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	2026-05-18T00:26:02.876869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f1b71479a0fafb10f45065d0ba4dbfef006646771e813e5289c5fdf9c88b332

Aliases

arxiv: 1801.04910 · arxiv_version: 1801.04910v1 · doi: 10.48550/arxiv.1801.04910 · pith_short_12: B4NXCR42B6X3 · pith_short_16: B4NXCR42B6X3CD2F · pith_short_8: B4NXCR42

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/B4NXCR42B6X3CD2FAZOQXJG373 \
  | 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: 0f1b71479a0fafb10f45065d0ba4dbfef006646771e813e5289c5fdf9c88b332

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f5a09f632dab27e2e2ca36c6e61d2fc355761b9f9359935f7c357bd9311da5a",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.TR",
    "submitted_at": "2017-12-14T17:03:00Z",
    "title_canon_sha256": "ba668b3e4612f6687c8fe55e6f7d66cc48b1eb5c389018eb9e857fef38816d35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04910",
    "kind": "arxiv",
    "version": 1
  }
}