Pith Number

pith:INQRGOUY

pith:2011:INQRGOUY5LBNMKO6H7YQ6UCW26

not attested not anchored not stored refs pending

Adaptive estimation of functionals in nonparametric instrumental regression

Christoph Breunig, Jan Johannes

arxiv:1109.0961 v1 · 2011-09-05 · math.ST · 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{INQRGOUY5LBNMKO6H7YQ6UCW26}

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	2026-05-18T04:14:06.318992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4361133a98eac2d629de3ff10f5056d79831751886518ea032c105df0a1b6360

Aliases

arxiv: 1109.0961 · arxiv_version: 1109.0961v1 · doi: 10.48550/arxiv.1109.0961 · pith_short_12: INQRGOUY5LBN · pith_short_16: INQRGOUY5LBNMKO6 · pith_short_8: INQRGOUY

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/INQRGOUY5LBNMKO6H7YQ6UCW26 \
  | 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: 4361133a98eac2d629de3ff10f5056d79831751886518ea032c105df0a1b6360

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e647deac17675ff45caeffcd05e5e258046477c9318e127a0d5108511895d87c",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2011-09-05T17:00:56Z",
    "title_canon_sha256": "5f8b036c0ce7c202920f74d80df77106a866ad771dcab1935b45d9e1e3f88f7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0961",
    "kind": "arxiv",
    "version": 1
  }
}