Pith Number

pith:RTWOPKV6

pith:2015:RTWOPKV6DYUMDHGL7IH252A5OK

not attested not anchored not stored refs pending

A mixture Cox-Logistic model for feature selection from survival and classification data

Pierre Dupont, Roberto D'Ambrosio, Samuel Branders

arxiv:1502.01493 v1 · 2015-02-05 · stat.ML · cs.LG · 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{RTWOPKV6DYUMDHGL7IH252A5OK}

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	2026-05-18T02:27:51.933245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cece7aabe1e28c19ccbfa0faee81d72ae2c27da284c4e779269391583a41609

Aliases

arxiv: 1502.01493 · arxiv_version: 1502.01493v1 · doi: 10.48550/arxiv.1502.01493 · pith_short_12: RTWOPKV6DYUM · pith_short_16: RTWOPKV6DYUMDHGL · pith_short_8: RTWOPKV6

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/RTWOPKV6DYUMDHGL7IH252A5OK \
  | 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: 8cece7aabe1e28c19ccbfa0faee81d72ae2c27da284c4e779269391583a41609

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26b78ef34c70548a3e4b77ad930146ef1123a696a9c16d82622e47af399aef38",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-02-05T10:45:54Z",
    "title_canon_sha256": "79176e1e6538137510cf7e883a15601bd63ab68ae2298575e4c42fecd90b80ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01493",
    "kind": "arxiv",
    "version": 1
  }
}