Pith Number

pith:PJ2WNUPY

pith:2021:PJ2WNUPY33BYEHZ5ZU5I46INSC

not attested not anchored not stored refs pending

Single Index Fr\'echet Regression

Hans-Georg M\"uller, Satarupa Bhattacharjee

arxiv:2108.05437 v2 · 2021-08-11 · stat.ME · 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{PJ2WNUPY33BYEHZ5ZU5I46INSC}

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.

Cited by

1 paper in Pith

Variable Selection Methods for Multivariate, Functional, and Complex Biomedical Data in the AI Age

Receipt and verification

First computed	2026-07-05T06:30:00.069421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a7566d1f8dec3821f3dcd3a8e790d90a12acfe4d4fd31c5335aeca8a2c9b432

Aliases

arxiv: 2108.05437 · arxiv_version: 2108.05437v2 · doi: 10.48550/arxiv.2108.05437 · pith_short_12: PJ2WNUPY33BY · pith_short_16: PJ2WNUPY33BYEHZ5 · pith_short_8: PJ2WNUPY

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/PJ2WNUPY33BYEHZ5ZU5I46INSC \
  | 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: 7a7566d1f8dec3821f3dcd3a8e790d90a12acfe4d4fd31c5335aeca8a2c9b432

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9531d61101cdf163c1023dcc2b66ac9317f4f75346a9993e65618854ffaffaed",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2021-08-11T20:34:42Z",
    "title_canon_sha256": "c6cfa618a47a336c9cf2758e6cb575ea9feea8bb6389772522e6159e868f2e2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.05437",
    "kind": "arxiv",
    "version": 2
  }
}