pith. sign in
Pith Number

pith:Z66XLSUB

pith:2015:Z66XLSUB74JPB54AK7VL5XIWGJ
not attested not anchored not stored refs pending

Modeling county level breast cancer survival data using a covariate-adjusted frailty proportional hazards model

Alejandro Jara, Haiming Zhou, Jiajia Zhang, Timothy Hanson

arxiv:1505.02886 v1 · 2015-05-12 · stat.AP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{Z66XLSUB74JPB54AK7VL5XIWGJ}

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 2026-05-18T02:14:15.721159Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

cfbd75ca81ff12f0f78057eabedd16327d4830f2379ffa102bffd59937f81236

Aliases

arxiv: 1505.02886 · arxiv_version: 1505.02886v1 · doi: 10.48550/arxiv.1505.02886 · pith_short_12: Z66XLSUB74JP · pith_short_16: Z66XLSUB74JPB54A · pith_short_8: Z66XLSUB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/Z66XLSUB74JPB54AK7VL5XIWGJ \
  | 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: cfbd75ca81ff12f0f78057eabedd16327d4830f2379ffa102bffd59937f81236
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8086ccf6baa1ce7c871b84bab87f59044c0d5e24660827d77248f94118f3f3cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2015-05-12T06:54:38Z",
    "title_canon_sha256": "3f7adc916228025725b86be750b882981268dda775d09f4256415c350fe31359"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02886",
    "kind": "arxiv",
    "version": 1
  }
}