Pith Number

pith:KZBHXGLO

pith:2025:KZBHXGLOMY4YRHOEVZSC5R2C6O

not attested not anchored not stored refs pending

Efficient Estimation of Regularized Tyler's M-Estimator Using Approximate LOOCV

Karim Abou-Moustafa

arxiv:2505.24781 v1 · 2025-05-30 · stat.ML · cs.CE · cs.CV · cs.LG · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KZBHXGLOMY4YRHOEVZSC5R2C6O}

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	2026-07-05T11:12:56.549155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56427b996e6639889dc4ae642ec742f3990d0dd46fcd1456c13149f814822053

Aliases

arxiv: 2505.24781 · arxiv_version: 2505.24781v1 · doi: 10.48550/arxiv.2505.24781 · pith_short_12: KZBHXGLOMY4Y · pith_short_16: KZBHXGLOMY4YRHOE · pith_short_8: KZBHXGLO

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/KZBHXGLOMY4YRHOEVZSC5R2C6O \
  | 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: 56427b996e6639889dc4ae642ec742f3990d0dd46fcd1456c13149f814822053

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6e2eadc6155184b2ac4f5d67460aef447ac8bd80418535b9987a09511922ed5",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.CV",
      "cs.LG",
      "eess.SP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2025-05-30T16:43:14Z",
    "title_canon_sha256": "a35827134835912c5d65b0f863eb3af34ff282dd577f6a2088104af0974b37e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.24781",
    "kind": "arxiv",
    "version": 1
  }
}