Pith Number

pith:XCBAPFWV

pith:2009:XCBAPFWV6OFKDAF2N4CCNSDNGC

not attested not anchored not stored refs pending

What Causes Business Cycles? Analysis of the Japanese Industrial Production Data

Hideaki Aoyama, Hiroshi Iyetomi, Hiroshi Yoshikawa, Wataru Souma, Yasuhiro Nakayama, Yoshi Fujiwara, Yuichi Ikeda

arxiv:0912.0857 v2 · 2009-12-04 · q-fin.GN · q-fin.CP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XCBAPFWV6OFKDAF2N4CCNSDNGC}

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	2026-05-18T04:35:05.161099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8820796d5f38aa180ba6f0426c86d30a1f0cc8d96e985eb13635327fab06fb0

Aliases

arxiv: 0912.0857 · arxiv_version: 0912.0857v2 · doi: 10.48550/arxiv.0912.0857 · pith_short_12: XCBAPFWV6OFK · pith_short_16: XCBAPFWV6OFKDAF2 · pith_short_8: XCBAPFWV

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/XCBAPFWV6OFKDAF2N4CCNSDNGC \
  | 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: b8820796d5f38aa180ba6f0426c86d30a1f0cc8d96e985eb13635327fab06fb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6f6c8b18aa393ddf68e4875b6c186ff9c70b04c679674c9b63f5a7b1bde1eef",
    "cross_cats_sorted": [
      "q-fin.CP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.GN",
    "submitted_at": "2009-12-04T14:01:25Z",
    "title_canon_sha256": "1008c2d9cee1270063973787849ae4b5affb1fed2cce1857427e8764770e35ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0857",
    "kind": "arxiv",
    "version": 2
  }
}