Pith Number

pith:COPM5NNK

pith:2026:COPM5NNKVCUKXJBBBXK2NDBVU7

not attested not anchored not stored refs pending

Fracture Risk Prediction in Adults Over 50 Years Old Using DXA and EHR: Comparison of Traditional and Machine Learning Models in Two Large Cohorts

Erik A. Imel, Hao Dai, Hexin Dong, Jiahe Qian, Jiang Bian, Kunyu Yu, Xing He, Yifan Peng, Yi Liu

arxiv:2607.28671 v1 · 2026-07-25 · stat.AP · 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{COPM5NNKVCUKXJBBBXK2NDBVU7}

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	2026-08-03T00:12:07.801946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

139eceb5aaa8a8aba4210dd5a68c35a7faaf56ea03c348f398e4974729cffa74

Aliases

arxiv: 2607.28671 · arxiv_version: 2607.28671v1 · doi: 10.48550/arxiv.2607.28671 · pith_short_12: COPM5NNKVCUK · pith_short_16: COPM5NNKVCUKXJBB · pith_short_8: COPM5NNK

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/COPM5NNKVCUKXJBBBXK2NDBVU7 \
  | 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: 139eceb5aaa8a8aba4210dd5a68c35a7faaf56ea03c348f398e4974729cffa74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2bd4efdfeaf80c5f82d7488513670870aaa05074896951894c305131d77f99f",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2026-07-25T16:58:31Z",
    "title_canon_sha256": "80e965ea711cb7c4c8df5bc46269fc47337df8971c6b67bd6b248b91ee5fef5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28671",
    "kind": "arxiv",
    "version": 1
  }
}