Pith Number

pith:OGVKLSE6

pith:2026:OGVKLSE6QPQ7USKEQ7QNPKXD6K

not attested not anchored not stored refs pending

Structured Transfer Learning for Survival Risk Stratification in Data-Sparse Clinical Cohorts

Dennis Wang, Doudou Zhou, Hong Pan, Juan Delgado-SanMartin, Junhan Yu, Yurui Chen

arxiv:2605.15633 v1 · 2026-05-15 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OGVKLSE6QPQ7USKEQ7QNPKXD6K}

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	2026-05-20T00:01:09.215051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71aaa5c89e83e1fa494487e0d7aae3f2be0018d0e5c99742a9dd756c0442e529

Aliases

arxiv: 2605.15633 · arxiv_version: 2605.15633v1 · doi: 10.48550/arxiv.2605.15633 · pith_short_12: OGVKLSE6QPQ7 · pith_short_16: OGVKLSE6QPQ7USKE · pith_short_8: OGVKLSE6

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/OGVKLSE6QPQ7USKEQ7QNPKXD6K \
  | 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: 71aaa5c89e83e1fa494487e0d7aae3f2be0018d0e5c99742a9dd756c0442e529

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0807affaecacc6a623b34f6fe60677892f1491e9e456304d2d4437c3f2480ef8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-05-15T05:34:52Z",
    "title_canon_sha256": "efb0a950e87e35ea1d729465160b84ae1f2fe00f81a8338e0bb0edb98b127ebc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.15633",
    "kind": "arxiv",
    "version": 1
  }
}