Pith Number

pith:OXU4IBDX

pith:2021:OXU4IBDXFXTTWS7MIUIPB5BZNU

not attested not anchored not stored refs pending

A Practical Guide to Counterfactual Estimators for Causal Inference with Time-Series Cross-Sectional Data

Licheng Liu, Ye Wang, Yiqing Xu

arxiv:2107.00856 v3 · 2021-07-02 · stat.ME · 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{OXU4IBDXFXTTWS7MIUIPB5BZNU}

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.

Cited by

1 paper in Pith

Export proceeds repatriation policies: A shield against exchange rate volatility in emerging markets?

Receipt and verification

First computed	2026-07-05T04:48:07.476267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75e9c404772de73b4bec4510f0f4396d0a6a098084d1418cdb5eed8b8dc79da4

Aliases

arxiv: 2107.00856 · arxiv_version: 2107.00856v3 · doi: 10.48550/arxiv.2107.00856 · pith_short_12: OXU4IBDXFXTT · pith_short_16: OXU4IBDXFXTTWS7M · pith_short_8: OXU4IBDX

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/OXU4IBDXFXTTWS7MIUIPB5BZNU \
  | 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: 75e9c404772de73b4bec4510f0f4396d0a6a098084d1418cdb5eed8b8dc79da4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e26686a5209a7a3260a2223e63c2df960e23f09942b170334ddd3e584be8eae2",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2021-07-02T06:08:42Z",
    "title_canon_sha256": "be3fdd9018b365adc5efa4ec9a3e5a8e7fc3b9433924e9eefa3a6953cdf31e86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.00856",
    "kind": "arxiv",
    "version": 3
  }
}