Pith Number

pith:L5LSEFAM

pith:2018:L5LSEFAMVTEBO5XJLLG5RKE3XH

not attested not anchored not stored refs pending

A Fast Divide-and-Conquer Sparse Cox Regression

Isaac Kohane, Joel Schwartz, Nathan Palmer, Qian Di, Tianxi Cai, Yan Wang

arxiv:1804.00735 v1 · 2018-04-02 · stat.CO · 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{L5LSEFAMVTEBO5XJLLG5RKE3XH}

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	2026-05-18T00:19:32.329765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f5722140cacc81776e95acdd8a89bb9f97130f46c04437ff6168a072eeae53d

Aliases

arxiv: 1804.00735 · arxiv_version: 1804.00735v1 · doi: 10.48550/arxiv.1804.00735 · pith_short_12: L5LSEFAMVTEB · pith_short_16: L5LSEFAMVTEBO5XJ · pith_short_8: L5LSEFAM

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/L5LSEFAMVTEBO5XJLLG5RKE3XH \
  | 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: 5f5722140cacc81776e95acdd8a89bb9f97130f46c04437ff6168a072eeae53d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "718048aba910ff9e25f67fa33e2e5200712ed4d5416933bc796f9d96e1a34170",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2018-04-02T21:25:59Z",
    "title_canon_sha256": "b3c7339854f497fa0cfed3806c4944ab902d58376e3ca30282ce743fffc980fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00735",
    "kind": "arxiv",
    "version": 1
  }
}