Pith Number

pith:5F7ZU6HP

pith:2018:5F7ZU6HPZ7NZMMD7QTRST4D4A6

not attested not anchored not stored refs pending

Data-adaptive doubly robust instrumental variable methods for treatment effect heterogeneity

Karla DiazOrdaz, Noemi Kreif, Rhian Daniel

arxiv:1802.02821 v2 · 2018-02-08 · 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{5F7ZU6HPZ7NZMMD7QTRST4D4A6}

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	2026-05-17T23:43:51.463689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e97f9a78efcfdb96307f84e329f07c07948b199658928dffa77a60deb249dc91

Aliases

arxiv: 1802.02821 · arxiv_version: 1802.02821v2 · doi: 10.48550/arxiv.1802.02821 · pith_short_12: 5F7ZU6HPZ7NZ · pith_short_16: 5F7ZU6HPZ7NZMMD7 · pith_short_8: 5F7ZU6HP

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/5F7ZU6HPZ7NZMMD7QTRST4D4A6 \
  | 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: e97f9a78efcfdb96307f84e329f07c07948b199658928dffa77a60deb249dc91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83b5e3d5ede05ae393f9af97e5d330cc2fdd37a925b5d446e0530dffb519dd92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2018-02-08T12:32:14Z",
    "title_canon_sha256": "3d56d812f9a9cd364d6f23890ed9ef1456781bd7ff2fb6ac478e864198d3f1b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02821",
    "kind": "arxiv",
    "version": 2
  }
}