Pith Number

pith:BZUSR2XQ

pith:2015:BZUSR2XQHZ7KAOSSZDVKTOIVZ3

not attested not anchored not stored refs pending

Personalized Screening Intervals for Biomarkers using Joint Models for Longitudinal and Survival Data

Dimitris Rizopoulos, Ewout W. Steyerberg, Jeremy M.G. Taylor, Johanna J.M. Takkenberg, Joost van Rosmalen

arxiv:1503.06448 v1 · 2015-03-22 · 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{BZUSR2XQHZ7KAOSSZDVKTOIVZ3}

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	2026-05-18T02:20:38.368768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e6928eaf03e7ea03a52c8eaa9b915cee0e5fd78bd8d7b0ba7accce1a3aceeee

Aliases

arxiv: 1503.06448 · arxiv_version: 1503.06448v1 · doi: 10.48550/arxiv.1503.06448 · pith_short_12: BZUSR2XQHZ7K · pith_short_16: BZUSR2XQHZ7KAOSS · pith_short_8: BZUSR2XQ

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/BZUSR2XQHZ7KAOSSZDVKTOIVZ3 \
  | 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: 0e6928eaf03e7ea03a52c8eaa9b915cee0e5fd78bd8d7b0ba7accce1a3aceeee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20a17919ecbeaae1b0293ebfd0571e775dcec6a096f8249f744eebe5329880c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2015-03-22T17:53:11Z",
    "title_canon_sha256": "5a52ba0a539ec297ca567104d2128a77562fa0967c6a14f0530f551afe6be171"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06448",
    "kind": "arxiv",
    "version": 1
  }
}