Pith Number

pith:EFPKZOHH

pith:2022:EFPKZOHHUHTZWZWVQRVOD6ZKJJ

not attested not anchored not stored refs pending

Testing the identification of causal effects in observational data

Jannis Kueck, Martin Huber

arxiv:2203.15890 v5 · 2022-03-29 · econ.EM · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EFPKZOHHUHTZWZWVQRVOD6ZKJJ}

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	2026-05-20T01:04:47.718132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

215eacb8e7a1e79b66d5846ae1fb2a4a69c0e31d42f1aa85b2c73c86226d3bef

Aliases

arxiv: 2203.15890 · arxiv_version: 2203.15890v5 · doi: 10.48550/arxiv.2203.15890 · pith_short_12: EFPKZOHHUHTZ · pith_short_16: EFPKZOHHUHTZWZWV · pith_short_8: EFPKZOHH

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/EFPKZOHHUHTZWZWVQRVOD6ZKJJ \
  | 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: 215eacb8e7a1e79b66d5846ae1fb2a4a69c0e31d42f1aa85b2c73c86226d3bef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e2ce41cefb35ed5e5fa5644ddd2bf9d02a65fc335985d3899afc4199cc0aa2f",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2022-03-29T20:45:11Z",
    "title_canon_sha256": "9ba19481f54758b3a56284434de036f43e686b410856c0848aa2631f9446d8ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.15890",
    "kind": "arxiv",
    "version": 5
  }
}