Pith Number

pith:ZOFOX3RV

pith:2021:ZOFOX3RVRB4MYSMM44JEA2AJKA

not attested not anchored not stored refs pending

Can Machine Learning Catch the COVID-19 Recession?

Dalibor Stevanovic, Massimiliano Marcellino, Philippe Goulet Coulombe

arxiv:2103.01201 v1 · 2021-03-01 · econ.EM · stat.AP · 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{ZOFOX3RVRB4MYSMM44JEA2AJKA}

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	2026-07-05T02:19:13.744961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb8aebee358878cc498ce7124068095003d031ebd42e19c1122d44dcaf076d3d

Aliases

arxiv: 2103.01201 · arxiv_version: 2103.01201v1 · doi: 10.48550/arxiv.2103.01201 · pith_short_12: ZOFOX3RVRB4M · pith_short_16: ZOFOX3RVRB4MYSMM · pith_short_8: ZOFOX3RV

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/ZOFOX3RVRB4MYSMM44JEA2AJKA \
  | 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: cb8aebee358878cc498ce7124068095003d031ebd42e19c1122d44dcaf076d3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "282a8c9fca675ab1f0ce77db7dc7567f37d5716ba5e4eff1bee96c59e4af47c6",
    "cross_cats_sorted": [
      "stat.AP",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2021-03-01T18:47:46Z",
    "title_canon_sha256": "f3de384ca32c1046aab93a3ed3217793be6172aa7550f3bc1d0b87462f795c53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.01201",
    "kind": "arxiv",
    "version": 1
  }
}