Pith Number

pith:ISPUGIGD

pith:2021:ISPUGIGDGJRIT4UNUN4JPFOMH2

not attested not anchored not stored refs pending

Estimating and Improving Dynamic Treatment Regimes With a Time-Varying Instrumental Variable

Bo Zhang, Shuxiao Chen

arxiv:2104.07822 v1 · 2021-04-15 · stat.ME · cs.LG · econ.EM · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ISPUGIGDGJRIT4UNUN4JPFOMH2}

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	2026-07-05T02:32:37.984872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

449f4320c3326289f28da3789795cc3e8b6f0598fb2dcf8750201db3074be3f1

Aliases

arxiv: 2104.07822 · arxiv_version: 2104.07822v1 · doi: 10.48550/arxiv.2104.07822 · pith_short_12: ISPUGIGDGJRI · pith_short_16: ISPUGIGDGJRIT4UN · pith_short_8: ISPUGIGD

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/ISPUGIGDGJRIT4UNUN4JPFOMH2 \
  | 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: 449f4320c3326289f28da3789795cc3e8b6f0598fb2dcf8750201db3074be3f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea9702dda6974e091d38862da062fbe0206c4578db498e5a291eb91f8fdd0b05",
    "cross_cats_sorted": [
      "cs.LG",
      "econ.EM",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2021-04-15T23:44:39Z",
    "title_canon_sha256": "557ef7e2113d2b99f8f6ed341ecc1d499443cf73fb386566a861fe78d90c1437"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.07822",
    "kind": "arxiv",
    "version": 1
  }
}