Pith Number

pith:3DZ3L6UI

pith:2017:3DZ3L6UIAI57YNUU7KHL4YIF7Z

not attested not anchored not stored refs pending

Robust Synthetic Control

Dennis Shen, Devavrat Shah, Muhammad Jehangir Amjad

arxiv:1711.06940 v1 · 2017-11-18 · econ.EM · stat.AP · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3DZ3L6UIAI57YNUU7KHL4YIF7Z}

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	2026-05-18T00:30:15.119283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8f3b5fa88023bfc3694fa8ebe6105fe46c104160ca112c9154f4287b4840b3e

Aliases

arxiv: 1711.06940 · arxiv_version: 1711.06940v1 · doi: 10.48550/arxiv.1711.06940 · pith_short_12: 3DZ3L6UIAI57 · pith_short_16: 3DZ3L6UIAI57YNUU · pith_short_8: 3DZ3L6UI

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/3DZ3L6UIAI57YNUU7KHL4YIF7Z \
  | 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: d8f3b5fa88023bfc3694fa8ebe6105fe46c104160ca112c9154f4287b4840b3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94c5eb741bd1b7cb629b2a0d0fdbd5d291cee228542019691bda9577cc4a9b6e",
    "cross_cats_sorted": [
      "stat.AP",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2017-11-18T23:22:34Z",
    "title_canon_sha256": "7af6200e4b942c9fd768701502a8c47e6e59c35554b034922c3fad71589d5f3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.06940",
    "kind": "arxiv",
    "version": 1
  }
}