Pith Number

pith:ME54CF4I

pith:2023:ME54CF4IKUZOZHY4O7VD53ASKX

not attested not anchored not stored refs pending

The Synthetic Control Method with Nonlinear Outcomes: Estimating the Impact of the 2019 Anti-Extradition Law Amendments Bill Protests on Hong Kong's Economy

Wei Tian

arxiv:2306.01967 v1 · 2023-06-03 · econ.EM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ME54CF4IKUZOZHY4O7VD53ASKX}

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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

Targeted Synthetic Control Method

Receipt and verification

First computed	2026-07-05T06:17:11.559247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

613bc117885532ec9f1c77ea3eec1255c3dfccb80482d2f1c93d347d65a05a52

Aliases

arxiv: 2306.01967 · arxiv_version: 2306.01967v1 · doi: 10.48550/arxiv.2306.01967 · pith_short_12: ME54CF4IKUZO · pith_short_16: ME54CF4IKUZOZHY4 · pith_short_8: ME54CF4I

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/ME54CF4IKUZOZHY4O7VD53ASKX \
  | 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: 613bc117885532ec9f1c77ea3eec1255c3dfccb80482d2f1c93d347d65a05a52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b70a846071d993f9595838c28aee2a0666942e0aba84d053df85e8d69befae65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2023-06-03T00:25:53Z",
    "title_canon_sha256": "2bb848e9ab9d09121ba97345a3fe9f61bea4cab01a18c7f9087fb040b3f9bf08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.01967",
    "kind": "arxiv",
    "version": 1
  }
}