Pith Number

pith:DL7QXJS7

pith:2018:DL7QXJS7CHQM6EN6EMBCY7J54S

not attested not anchored not stored refs pending

Subtleties in the interpretation of hazard ratios

Per Kragh Andersen, Stijn Vansteelandt, Torben Martinussen

arxiv:1810.09192 v1 · 2018-10-22 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DL7QXJS7CHQM6EN6EMBCY7J54S}

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	2026-05-18T00:02:40.821657Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1aff0ba65f11e0cf11be23022c7d3de4b2659d4c7f6bf497037e3ad85272a409

Aliases

arxiv: 1810.09192 · arxiv_version: 1810.09192v1 · doi: 10.48550/arxiv.1810.09192 · pith_short_12: DL7QXJS7CHQM · pith_short_16: DL7QXJS7CHQM6EN6 · pith_short_8: DL7QXJS7

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/DL7QXJS7CHQM6EN6EMBCY7J54S \
  | 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: 1aff0ba65f11e0cf11be23022c7d3de4b2659d4c7f6bf497037e3ad85272a409

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d9ef71e380764f10fe6b0eeb82602d01d86baf3a58c7139462ce5325dc6d72d",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2018-10-22T11:57:16Z",
    "title_canon_sha256": "4a636b9a96944fa85edb4afef693765233c4deb7748decf86a6d23f285e0d0c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09192",
    "kind": "arxiv",
    "version": 1
  }
}