Pith Number

pith:OZFQSB7U

pith:2014:OZFQSB7UXCV2BE7LACLGDYER2E

not attested not anchored not stored refs pending

The Futures Premium and Rice Market Efficiency in Prewar Japan

Akihiko Noda, Kiyotaka Maeda, Mikio Ito

arxiv:1404.5381 v5 · 2014-04-22 · q-fin.ST · 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{OZFQSB7UXCV2BE7LACLGDYER2E}

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	2026-05-18T00:34:00.535222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

764b0907f4b8aba093eb009661e091d138379e7cfb6725cfb83e07be5ff5b9a8

Aliases

arxiv: 1404.5381 · arxiv_version: 1404.5381v5 · doi: 10.48550/arxiv.1404.5381 · pith_short_12: OZFQSB7UXCV2 · pith_short_16: OZFQSB7UXCV2BE7L · pith_short_8: OZFQSB7U

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/OZFQSB7UXCV2BE7LACLGDYER2E \
  | 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: 764b0907f4b8aba093eb009661e091d138379e7cfb6725cfb83e07be5ff5b9a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a02d3f6719cfe882f59de762d92bce925762ad01168e9e56854973f7980a3f5b",
    "cross_cats_sorted": [
      "q-fin.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2014-04-22T05:52:18Z",
    "title_canon_sha256": "b322cb00fcb67a988a37875c54f1e52ca66a893ce66252a1c985732e56a795dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5381",
    "kind": "arxiv",
    "version": 5
  }
}