Pith Number

pith:NKAY3C5P

pith:2019:NKAY3C5PBDSVZTNTCJPH2YSLKF

not attested not anchored not stored refs pending

Measuring international uncertainty using global vector autoregressions with drifting parameters

Michael Pfarrhofer

arxiv:1908.06325 v2 · 2019-08-17 · econ.EM · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NKAY3C5PBDSVZTNTCJPH2YSLKF}

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	2026-07-05T00:26:39.772003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a818d8baf08e55ccdb3125e7d624b5163c2554348c4b00fe0ebcbb6fbd6ebc9

Aliases

arxiv: 1908.06325 · arxiv_version: 1908.06325v2 · doi: 10.48550/arxiv.1908.06325 · pith_short_12: NKAY3C5PBDSV · pith_short_16: NKAY3C5PBDSVZTNT · pith_short_8: NKAY3C5P

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/NKAY3C5PBDSVZTNTCJPH2YSLKF \
  | 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: 6a818d8baf08e55ccdb3125e7d624b5163c2554348c4b00fe0ebcbb6fbd6ebc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0616d8ca1c3a5c81f171890bdc353086706a419ad84a011302a92d691b529c30",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2019-08-17T17:47:19Z",
    "title_canon_sha256": "d878cbfda7894809d5cd22ed76420b3f0667c3cf56854dcf71147f6f116be308"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06325",
    "kind": "arxiv",
    "version": 2
  }
}