Pith Number

pith:QLN2OID2

pith:2024:QLN2OID2RFD356OIBOREYPFQ2J

not attested not anchored not stored refs pending

Identifying Reasons for Contraceptive Switching from Real-World Data Using Large Language Models

Atul J. Butte, Brenda Y. Miao, Christopher YK Williams, Ebenezer Chinedu-Eneh, Emily Alsentzer, Irene Y. Chen, Travis Zack

arxiv:2402.03597 v1 · 2024-02-06 · cs.CL · cs.IR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QLN2OID2RFD356OIBOREYPFQ2J}

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	2026-07-05T07:41:55.061721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82dba7207a8947bef9c80ba24c3cb0d278d66b7fd5434165aa67fe5b56726d8d

Aliases

arxiv: 2402.03597 · arxiv_version: 2402.03597v1 · doi: 10.48550/arxiv.2402.03597 · pith_short_12: QLN2OID2RFD3 · pith_short_16: QLN2OID2RFD356OI · pith_short_8: QLN2OID2

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/QLN2OID2RFD356OIBOREYPFQ2J \
  | 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: 82dba7207a8947bef9c80ba24c3cb0d278d66b7fd5434165aa67fe5b56726d8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c9637712d5ef826599352a211c3dfc81eb14b7572a54fb46e885d22c7d6b9d1",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2024-02-06T00:14:53Z",
    "title_canon_sha256": "9b007659529c2030579c772b07375f70771fb7cb85b8b8a69a275b6e2c3a296d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.03597",
    "kind": "arxiv",
    "version": 1
  }
}