pith. sign in
Pith Number

pith:C5RRTQOK

pith:2015:C5RRTQOKX4GOHK7W2OVGXL4KN7
not attested not anchored not stored refs pending

Practical survival analysis tools for heterogeneous cohorts and informative censoring

A. C. C. Coolen, B. Grundmark, B. Zethelius, G. Walldius, H. Garmo, L. Holmberg, M. Inoue, M. Rowley, M. Van Hemelrijck, N. Hammar, W. Wulaningsih

arxiv:1511.06849 v1 · 2015-11-21 · stat.AP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{C5RRTQOKX4GOHK7W2OVGXL4KN7}

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 2026-05-18T01:26:17.355696Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

176319c1cabf0ce3abf6d3aa6baf8a6fc187671ed25d2d1cdad73f2d47b04268

Aliases

arxiv: 1511.06849 · arxiv_version: 1511.06849v1 · doi: 10.48550/arxiv.1511.06849 · pith_short_12: C5RRTQOKX4GO · pith_short_16: C5RRTQOKX4GOHK7W · pith_short_8: C5RRTQOK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/C5RRTQOKX4GOHK7W2OVGXL4KN7 \
  | 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: 176319c1cabf0ce3abf6d3aa6baf8a6fc187671ed25d2d1cdad73f2d47b04268
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c7502ee17e296c764883f5fe1494f68f1a3cc3df9940b2aa713fd8642b223208",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2015-11-21T07:30:56Z",
    "title_canon_sha256": "e41e138cc8a7d8d0b19394eb8f0b379003b1811c1df5f523a21f31dc67644272"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.06849",
    "kind": "arxiv",
    "version": 1
  }
}