Pith Number

pith:5WEJ5RHG

pith:2019:5WEJ5RHGRWXQ5GVKRFE4IXJGXC

not attested not anchored not stored refs pending

On the probability of a causal inference is robust for internal validity

Kenneth A. Frank, Tenglong Li

arxiv:1906.08726 v1 · 2019-06-20 · stat.AP · econ.EM · stat.ME · stat.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5WEJ5RHGRWXQ5GVKRFE4IXJGXC}

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	2026-05-17T23:42:49.464922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed889ec4e68daf0e9aaa8949c45d26b882b9103dd98e84d36a75d4713fa19d2c

Aliases

arxiv: 1906.08726 · arxiv_version: 1906.08726v1 · doi: 10.48550/arxiv.1906.08726 · pith_short_12: 5WEJ5RHGRWXQ · pith_short_16: 5WEJ5RHGRWXQ5GVK · pith_short_8: 5WEJ5RHG

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/5WEJ5RHGRWXQ5GVKRFE4IXJGXC \
  | 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: ed889ec4e68daf0e9aaa8949c45d26b882b9103dd98e84d36a75d4713fa19d2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85312f47d48615b4416dbffd4428f979ef31d309d9bfbd4f4feb1ab82d5cba71",
    "cross_cats_sorted": [
      "econ.EM",
      "stat.ME",
      "stat.OT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2019-06-20T16:13:03Z",
    "title_canon_sha256": "53aba1711634a5031eef522e44b7cd8fda87e1983c72f442cc1c290e6112647b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08726",
    "kind": "arxiv",
    "version": 1
  }
}