Pith Number

pith:EX6FK7SO

pith:2022:EX6FK7SO3IMID3E7STZUX2DPHF

not attested not anchored not stored refs pending

Distillation to Enhance the Portability of Risk Models Across Institutions with Large Patient Claims Database

Amol Rajmane, Bradley Malin, Chao Yan, Pablo Meyer, Prithwish Chakraborty, Steve Nyemba, Ziqi Zhang

arxiv:2207.02445 v1 · 2022-07-06 · cs.LG · cs.AI · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EX6FK7SO3IMID3E7STZUX2DPHF}

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	2026-07-05T04:38:03.255048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25fc557e4eda1881ec9f94f34be86f39570f29beec916ec07e7e097b770f3ef7

Aliases

arxiv: 2207.02445 · arxiv_version: 2207.02445v1 · doi: 10.48550/arxiv.2207.02445 · pith_short_12: EX6FK7SO3IMI · pith_short_16: EX6FK7SO3IMID3E7 · pith_short_8: EX6FK7SO

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/EX6FK7SO3IMID3E7STZUX2DPHF \
  | 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: 25fc557e4eda1881ec9f94f34be86f39570f29beec916ec07e7e097b770f3ef7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c6be678d6835c17f5ba5ab11418af37f13fc09d5512b058ffcb4e0a697a46b7",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-07-06T05:26:32Z",
    "title_canon_sha256": "cc7ce3993372d1d42945df936dbd9c55ccabfef54f451734947748308398d516"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.02445",
    "kind": "arxiv",
    "version": 1
  }
}