Pith Number

pith:SA5UMYF7

pith:2023:SA5UMYF75S6GREGWLFZKZA57XC

not attested not anchored not stored refs pending

LeafAI: query generator for clinical cohort discovery rivaling a human programmer

Bin Han, H. Nina Kim, Kristine Lan, Meliha Yetisgen, Nicholas J Dobbins, Ozlem Uzuner, Robert Harrington, Weipeng Zhou

arxiv:2304.06203 v2 · 2023-04-13 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SA5UMYF75S6GREGWLFZKZA57XC}

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	2026-07-05T06:41:15.424130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

903b4660bfecbc6890d65972ac83bfb8955d91148c402fc606195acce546356a

Aliases

arxiv: 2304.06203 · arxiv_version: 2304.06203v2 · doi: 10.48550/arxiv.2304.06203 · pith_short_12: SA5UMYF75S6G · pith_short_16: SA5UMYF75S6GREGW · pith_short_8: SA5UMYF7

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/SA5UMYF75S6GREGWLFZKZA57XC \
  | 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: 903b4660bfecbc6890d65972ac83bfb8955d91148c402fc606195acce546356a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "777bda7133aa8d89775d0fca0a68260cf29f203651f57e1611c7eecc56d44556",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2023-04-13T00:34:32Z",
    "title_canon_sha256": "14c7536e7ef7573627c737a4ae8705d237bf29cb70b1e12b4bfb4ab41d628037"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.06203",
    "kind": "arxiv",
    "version": 2
  }
}