Pith Number

pith:7HHL5RTU

pith:2016:7HHL5RTUJ3IRKO3GS4LPX6JDJ6

not attested not anchored not stored refs pending

Improved Dynamic Predictions from Joint Models of Longitudinal and Survival Data with Time-Varying Effects using P-splines

Dimitris Rizopoulos, Eleni-Rosalina Andrinopoulou, Johanna J.M. Takkenberg, Paul H.C. Eilers

arxiv:1609.03439 v2 · 2016-09-12 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7HHL5RTUJ3IRKO3GS4LPX6JDJ6}

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	2026-05-18T00:41:07.907750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9cebec6744ed1153b669716fbf9234faa49a8c835bc272eb6d40d5995d65922

Aliases

arxiv: 1609.03439 · arxiv_version: 1609.03439v2 · doi: 10.48550/arxiv.1609.03439 · pith_short_12: 7HHL5RTUJ3IR · pith_short_16: 7HHL5RTUJ3IRKO3G · pith_short_8: 7HHL5RTU

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/7HHL5RTUJ3IRKO3GS4LPX6JDJ6 \
  | 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: f9cebec6744ed1153b669716fbf9234faa49a8c835bc272eb6d40d5995d65922

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28c9805628e646b2f8f2f766106dd648b222fdd09f69cf78945cb36b4b4859ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2016-09-12T15:12:12Z",
    "title_canon_sha256": "1efd018e028ab8a2e15ca28ff8d7ed5497d03ef14b0476ff613921a9b0443558"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.03439",
    "kind": "arxiv",
    "version": 2
  }
}