Pith Number

pith:5U3VZRSA

pith:2022:5U3VZRSAWWJM4H2ZNPGUCPOUOG

not attested not anchored not stored refs pending

Structural mean models for instrumented difference-in-differences

Ashkan Ertefaie, Dylan S. Small, James Flory, Samrat Roy, Sean Hennessy, Stijn Vansteelandt, Tat-Thang Vo, Ting Ye

arxiv:2209.10339 v1 · 2022-09-21 · 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{5U3VZRSAWWJM4H2ZNPGUCPOUOG}

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	2026-07-05T04:59:47.859489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed375cc640b592ce1f596bcd413dd471bff6524e5fc3fa8cb4cf53a157141fe8

Aliases

arxiv: 2209.10339 · arxiv_version: 2209.10339v1 · doi: 10.48550/arxiv.2209.10339 · pith_short_12: 5U3VZRSAWWJM · pith_short_16: 5U3VZRSAWWJM4H2Z · pith_short_8: 5U3VZRSA

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/5U3VZRSAWWJM4H2ZNPGUCPOUOG \
  | 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: ed375cc640b592ce1f596bcd413dd471bff6524e5fc3fa8cb4cf53a157141fe8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "368c32131b11a23387ea011794e4910b8a701c3fecec1404a13fbe9aea247306",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2022-09-21T13:16:37Z",
    "title_canon_sha256": "e09df3b0ff0f654d54aba142f11e90ccf83571208657292dc37ca9533b015b2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.10339",
    "kind": "arxiv",
    "version": 1
  }
}