Pith Number

pith:II56I2YI

pith:2019:II56I2YIFFFF4C2OHSEQ5I7QXC

not attested not anchored not stored refs pending

Wasserstein Index Generation Model: Automatic Generation of Time-series Index with Application to Economic Policy Uncertainty

Fangzhou Xie

arxiv:1908.04369 v4 · 2019-08-12 · econ.GN · cs.CL · q-fin.EC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{II56I2YIFFFF4C2OHSEQ5I7QXC}

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	2026-07-05T03:15:26.433696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

423be46b08294a5e0b4e3c890ea3f0b8b390ef1a67d14cff8bb8d9d4adefafee

Aliases

arxiv: 1908.04369 · arxiv_version: 1908.04369v4 · doi: 10.48550/arxiv.1908.04369 · pith_short_12: II56I2YIFFFF · pith_short_16: II56I2YIFFFF4C2O · pith_short_8: II56I2YI

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/II56I2YIFFFF4C2OHSEQ5I7QXC \
  | 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: 423be46b08294a5e0b4e3c890ea3f0b8b390ef1a67d14cff8bb8d9d4adefafee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "febd0f61d07b4b60386052eeedb96de001882d1ca6d6350c0348b44bb9280b85",
    "cross_cats_sorted": [
      "cs.CL",
      "q-fin.EC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.GN",
    "submitted_at": "2019-08-12T20:25:41Z",
    "title_canon_sha256": "0316abec67e2e4f33a977db0aff37ee4cd0d3a385e57cf81e4245910ada4be41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04369",
    "kind": "arxiv",
    "version": 4
  }
}