Pith Number

pith:GP2TEX65

pith:2026:GP2TEX65XWTVX6OFEXKNPVWOLW

not attested not anchored not stored refs pending

Optimal use of a black-box learner in semiparametric estimation

Yihong Gu

arxiv:2607.21541 v1 · 2026-07-23 · math.ST · stat.ME · stat.ML · 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{GP2TEX65XWTVX6OFEXKNPVWOLW}

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	2026-07-24T01:24:38.491720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33f5325fddbda75bf9c525d4d7d6ce5dae356838f40bda69b4ed1e2fc981e5ee

Aliases

arxiv: 2607.21541 · arxiv_version: 2607.21541v1 · doi: 10.48550/arxiv.2607.21541 · pith_short_12: GP2TEX65XWTV · pith_short_16: GP2TEX65XWTVX6OF · pith_short_8: GP2TEX65

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/GP2TEX65XWTVX6OFEXKNPVWOLW \
  | 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: 33f5325fddbda75bf9c525d4d7d6ce5dae356838f40bda69b4ed1e2fc981e5ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43994a827310d9a8185417822f2553a8184ed5b630005aa5b2559e61c0ea998d",
    "cross_cats_sorted": [
      "stat.ME",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2026-07-23T17:26:17Z",
    "title_canon_sha256": "167eb659a9452990fd7ccaad93f64963d87ef29cb9f23d974141b75e38576263"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.21541",
    "kind": "arxiv",
    "version": 1
  }
}