Pith Number

pith:RYT3W5Q5

pith:2025:RYT3W5Q5PS7OIAHMP5HQV6BBRZ

not attested not anchored not stored refs pending

Capturing heterogeneous time-variation in covariate effects in non-proportional hazard regression models

Kathrin M\"ollenhoff, Niklas Hagemann, Thomas Kneib

arxiv:2501.13525 v1 · 2025-01-23 · stat.ME · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RYT3W5Q5PS7OIAHMP5HQV6BBRZ}

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	2026-07-05T10:04:29.902978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e27bb761d7cbee400ec7f4f0af8218e72f6215cccc613a139e523c14a7eb1ca

Aliases

arxiv: 2501.13525 · arxiv_version: 2501.13525v1 · doi: 10.48550/arxiv.2501.13525 · pith_short_12: RYT3W5Q5PS7O · pith_short_16: RYT3W5Q5PS7OIAHM · pith_short_8: RYT3W5Q5

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/RYT3W5Q5PS7OIAHMP5HQV6BBRZ \
  | 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: 8e27bb761d7cbee400ec7f4f0af8218e72f6215cccc613a139e523c14a7eb1ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3b526d4a0e65f903bd1522afc945b8e9235506b28137cd61498f0fcd50ffa00",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2025-01-23T10:20:58Z",
    "title_canon_sha256": "e5776fa43c06cc0c8701140e08e52d867b512e63ad09ff0e086f02a946d4e1ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.13525",
    "kind": "arxiv",
    "version": 1
  }
}