Pith Number

pith:Q74X3RWY

pith:2018:Q74X3RWYEVZWF3MS7SWCLVEWVZ

not attested not anchored not stored refs pending

Two-Stage Residual Inclusion under the Additive Hazards Model - An Instrumental Variable Approach with Application to SEER-Medicare Linked Data

Andrew Ying, James Murphy, Ronghui Xu

arxiv:1805.07849 v2 · 2018-05-21 · stat.AP · 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{Q74X3RWYEVZWF3MS7SWCLVEWVZ}

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	2026-05-18T00:10:21.732443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87f97dc6d8257362ed92fcac25d496ae73b7fecff0bdb3f1e525c862c228aa07

Aliases

arxiv: 1805.07849 · arxiv_version: 1805.07849v2 · doi: 10.48550/arxiv.1805.07849 · pith_short_12: Q74X3RWYEVZW · pith_short_16: Q74X3RWYEVZWF3MS · pith_short_8: Q74X3RWY

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/Q74X3RWYEVZWF3MS7SWCLVEWVZ \
  | 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: 87f97dc6d8257362ed92fcac25d496ae73b7fecff0bdb3f1e525c862c228aa07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6a6b2db51c7d250e0a20317635c70de2a5f378c47464e65232dc38b30131509",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2018-05-21T00:20:42Z",
    "title_canon_sha256": "6f071bc38ebd46acbee0b820588bc61c6129a3245e9c8aad0f5fadec50fa01c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07849",
    "kind": "arxiv",
    "version": 2
  }
}