Pith Number

pith:MZLE6W4O

pith:2021:MZLE6W4OI26UDXMZNVYF5UBTEX

not attested not anchored not stored refs pending

Computing the Hazard Ratios Associated with Explanatory Variables Using Machine Learning Models of Survival Data

James Lu, Sameer Sundrani

arxiv:2102.00637 v1 · 2021-02-01 · cs.LG · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MZLE6W4OI26UDXMZNVYF5UBTEX}

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	2026-07-05T02:28:55.413066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66564f5b8e46bd41dd996d705ed03325c9f1d08bbef479632b732214b74538e2

Aliases

arxiv: 2102.00637 · arxiv_version: 2102.00637v1 · doi: 10.48550/arxiv.2102.00637 · pith_short_12: MZLE6W4OI26U · pith_short_16: MZLE6W4OI26UDXMZ · pith_short_8: MZLE6W4O

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/MZLE6W4OI26UDXMZNVYF5UBTEX \
  | 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: 66564f5b8e46bd41dd996d705ed03325c9f1d08bbef479632b732214b74538e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69c81a5e570f0ebb8417ab2d2538f54ecb0bdeb0c809e6690762d64aecb8e813",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-02-01T05:02:31Z",
    "title_canon_sha256": "40117fd18012571f179afb3816c53a706b4d7c554ac82535a8868318a55d4831"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.00637",
    "kind": "arxiv",
    "version": 1
  }
}