Pith Number

pith:OSNSYIVH

pith:2019:OSNSYIVHFDDYX44KZ5QSOO6I5K

not attested not anchored not stored refs pending

Nowcasting Recessions using the SVM Machine Learning Algorithm

Alexander James, Xiao Qiao, Yaser S. Abu-Mostafa

arxiv:1903.03202 v2 · 2019-02-17 · q-fin.GN · cs.LG · econ.GN · q-fin.EC · 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{OSNSYIVHFDDYX44KZ5QSOO6I5K}

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	2026-05-17T23:42:08.255827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

749b2c22a728c78bf38acf61273bc8eaa1c320ecf585f607ddfce09c7ee3d6da

Aliases

arxiv: 1903.03202 · arxiv_version: 1903.03202v2 · doi: 10.48550/arxiv.1903.03202 · pith_short_12: OSNSYIVHFDDY · pith_short_16: OSNSYIVHFDDYX44K · pith_short_8: OSNSYIVH

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/OSNSYIVHFDDYX44KZ5QSOO6I5K \
  | 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: 749b2c22a728c78bf38acf61273bc8eaa1c320ecf585f607ddfce09c7ee3d6da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6e0ec10113ec7927f6d53dfc47cac5177e6cb4c8dc87041bdcd50945e254883",
    "cross_cats_sorted": [
      "cs.LG",
      "econ.GN",
      "q-fin.EC",
      "stat.AP",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.GN",
    "submitted_at": "2019-02-17T15:04:35Z",
    "title_canon_sha256": "831de5acceebb2a8a6c4841b849d67e1b1a6eccd4d0426f4ccc7e3d9e60d730b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03202",
    "kind": "arxiv",
    "version": 2
  }
}