Pith Number

pith:6TTZWP3S

pith:2014:6TTZWP3SCRBNLVK5XTVLDAKXDY

not attested not anchored not stored refs pending

Control Function Assisted IPW Estimation with a Secondary Outcome in Case-Control Studies

Eric J. Tchetgen Tchetgen, Marilyn C. Cornelis, Peter Kraft, Tamar Sofer

arxiv:1407.4413 v1 · 2014-07-16 · 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{6TTZWP3SCRBNLVK5XTVLDAKXDY}

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	2026-05-18T02:47:30.535521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4e79b3f721442d5d55dbceab181571e360ffb6176ba974a4badf1b5a4ea03b7

Aliases

arxiv: 1407.4413 · arxiv_version: 1407.4413v1 · doi: 10.48550/arxiv.1407.4413 · pith_short_12: 6TTZWP3SCRBN · pith_short_16: 6TTZWP3SCRBNLVK5 · pith_short_8: 6TTZWP3S

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/6TTZWP3SCRBNLVK5XTVLDAKXDY \
  | 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: f4e79b3f721442d5d55dbceab181571e360ffb6176ba974a4badf1b5a4ea03b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6748883458a1e7350d4d3c23039b713ccef5ec3a1e3f50e230e9d7cf8c642011",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2014-07-16T18:23:59Z",
    "title_canon_sha256": "98ad55d251ccec063f531aeed8e9e641352bd82b14e5583d00e47114a988b988"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4413",
    "kind": "arxiv",
    "version": 1
  }
}