Pith Number

pith:6YCQNF6D

pith:2026:6YCQNF6DU5ED3Q7Z73YHG7HXMZ

not attested not anchored not stored refs pending

Landmarking with Latent Class Mixed Models for Dynamic Prediction of Time-to-event Data with Heterogeneous Biomarker Trajectories

Catalina A. Vallejos, Charlie W. Lees, Nathan Constantine-Cooke, V\'ictor Velasco-Pardo

arxiv:2606.24678 v1 · 2026-06-23 · 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{6YCQNF6DU5ED3Q7Z73YHG7HXMZ}

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	2026-06-24T01:15:39.000799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6050697c3a7483dc3f9fef0737cf76669058edd0fac358735a7cc0897909a92

Aliases

arxiv: 2606.24678 · arxiv_version: 2606.24678v1 · doi: 10.48550/arxiv.2606.24678 · pith_short_12: 6YCQNF6DU5ED · pith_short_16: 6YCQNF6DU5ED3Q7Z · pith_short_8: 6YCQNF6D

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/6YCQNF6DU5ED3Q7Z73YHG7HXMZ \
  | 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: f6050697c3a7483dc3f9fef0737cf76669058edd0fac358735a7cc0897909a92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc61c1a27634fed7fa74a35f48b0bfcf5223f0829338b3a488e7914481e10c68",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-06-23T15:09:19Z",
    "title_canon_sha256": "d722d3a755540ddc006cbaf624cd77e3edf4785d64a6901191eeb96fbf0fd863"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.24678",
    "kind": "arxiv",
    "version": 1
  }
}