Pith Number

pith:UQCFL7I4

pith:2024:UQCFL7I4CJAVOUVCYJOCCZ7ZRM

not attested not anchored not stored refs pending

Robust Nonparametric Stochastic Frontier Analysis

Aleksandr Aravkin, Christopher Murray, Joseph Dielemann, Marcia Weaver, Marlena Bannick, Nahom Worku, Peng Zheng

arxiv:2404.04301 v1 · 2024-04-04 · stat.ME · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UQCFL7I4CJAVOUVCYJOCCZ7ZRM}

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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.

Cited by

1 paper in Pith

Stochastic Frontier meets Breakdown Frontier

Receipt and verification

First computed	2026-07-05T08:05:14.677988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a40455fd1c12415752a2c25c2167f98b249b130ddbe5906b3c37ce8783923ba7

Aliases

arxiv: 2404.04301 · arxiv_version: 2404.04301v1 · doi: 10.48550/arxiv.2404.04301 · pith_short_12: UQCFL7I4CJAV · pith_short_16: UQCFL7I4CJAVOUVC · pith_short_8: UQCFL7I4

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/UQCFL7I4CJAVOUVCYJOCCZ7ZRM \
  | 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: a40455fd1c12415752a2c25c2167f98b249b130ddbe5906b3c37ce8783923ba7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dca4e0a696fd1746c58dcb2adf2e6bb1f86b74d052f9316df9de47565ad41918",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2024-04-04T21:28:49Z",
    "title_canon_sha256": "823b1a5fe953930160ec27d636c5975897f238441920ec3f7e9ba7c9bab44be7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.04301",
    "kind": "arxiv",
    "version": 1
  }
}