Pith Number

pith:E7KH5GEN

pith:2023:E7KH5GENTKXGAWSOBEYTOFHJFE

not attested not anchored not stored refs pending

Doubly robust machine learning for an instrumental variable study of surgical care for cholecystitis

Alexander W. Levis, Edward Kennedy, Kenta Takatsu, Luke Keele, Rachel Kelz

arxiv:2307.06269 v1 · 2023-07-12 · stat.AP · 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{E7KH5GENTKXGAWSOBEYTOFHJFE}

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	2026-07-05T06:30:21.152950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27d47e988d9aae605a4e09313714e929119a693ec65cfee721ce3c93bb2f857c

Aliases

arxiv: 2307.06269 · arxiv_version: 2307.06269v1 · doi: 10.48550/arxiv.2307.06269 · pith_short_12: E7KH5GENTKXG · pith_short_16: E7KH5GENTKXGAWSO · pith_short_8: E7KH5GEN

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/E7KH5GENTKXGAWSOBEYTOFHJFE \
  | 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: 27d47e988d9aae605a4e09313714e929119a693ec65cfee721ce3c93bb2f857c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bd26d6bce93e37b67e2c3c14b71e5c99f094f6827a85ef92e0bd7b9f8a3c338",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2023-07-12T16:14:09Z",
    "title_canon_sha256": "fa6405138ed2cf13cd86bf51633b201acfa34ad739165097f7a026f4b6f3bd89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.06269",
    "kind": "arxiv",
    "version": 1
  }
}