Pith Number

pith:JHRJHHDG

pith:2026:JHRJHHDGIAMASFLA4ARHEJMNSD

not attested not anchored not stored refs pending

Cohort-Anchored Foundation Models for Electronic Health Records: From Risk Scores to Auditable Peer Cohorts

Kaiping Zheng

arxiv:2606.21885 v1 · 2026-06-20 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JHRJHHDGIAMASFLA4ARHEJMNSD}

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	2026-06-23T02:13:01.861208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49e2939c664018091560e02272258d90fabe125da90cb4861933c63e828a3943

Aliases

arxiv: 2606.21885 · arxiv_version: 2606.21885v1 · doi: 10.48550/arxiv.2606.21885 · pith_short_12: JHRJHHDGIAMA · pith_short_16: JHRJHHDGIAMASFLA · pith_short_8: JHRJHHDG

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/JHRJHHDGIAMASFLA4ARHEJMNSD \
  | 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: 49e2939c664018091560e02272258d90fabe125da90cb4861933c63e828a3943

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5262612d9e66b4ca3b253d5d2407e5a47a511d9104d9dfb89e91ea467a1d75b",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-20T05:14:43Z",
    "title_canon_sha256": "e7b3425051d2a907358df6d5fe24e20b6b2ea82f724aa2566d1d38713163be58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.21885",
    "kind": "arxiv",
    "version": 1
  }
}