Pith Number

pith:D4P4HWY2

pith:2024:D4P4HWY2F7BIO3YG3FTXQTRCXQ

not attested not anchored not stored refs pending

Heterogeneous treatment effect estimation with subpopulation identification for personalized medicine in opioid use disorder

Ping Zhang, Ruoqi Liu, Seungyeon Lee, Wenyu Song

arxiv:2401.17027 v1 · 2024-01-30 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D4P4HWY2F7BIO3YG3FTXQTRCXQ}

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	2026-07-05T07:39:18.409573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f1fc3db1a2fc2876f06d967784e22bc1bd42c28ea7859edafbd6d914fde7e4c

Aliases

arxiv: 2401.17027 · arxiv_version: 2401.17027v1 · doi: 10.48550/arxiv.2401.17027 · pith_short_12: D4P4HWY2F7BI · pith_short_16: D4P4HWY2F7BIO3YG · pith_short_8: D4P4HWY2

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/D4P4HWY2F7BIO3YG3FTXQTRCXQ \
  | 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: 1f1fc3db1a2fc2876f06d967784e22bc1bd42c28ea7859edafbd6d914fde7e4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1001ac18f6f006beeb7c0dcf2039c9367aeae598a598134f10c38a1a39d60bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-01-30T14:02:49Z",
    "title_canon_sha256": "14e65f5034a7090bebcbe6d4b185b94ff58f9e3b4f2d4844b0155b22da0254b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.17027",
    "kind": "arxiv",
    "version": 1
  }
}