Pith Number

pith:K2KTUZ3B

pith:2025:K2KTUZ3BHYTPLIWPROZGE3DRNJ

not attested not anchored not stored refs pending

Diagonally-Weighted Generalized Method of Moments Estimation for Gaussian Mixture Modeling

Amit Singer, Liu Zhang, Oscar Mickelin, Sheng Xu

arxiv:2507.20459 v1 · 2025-07-28 · cs.LG · cs.NA · math.NA · math.ST · stat.ME · stat.ML · stat.TH

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K2KTUZ3BHYTPLIWPROZGE3DRNJ}

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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

3 papers in Pith

Robust Moment-Based Estimation via Spectral Gradient Reweighting

The generalized method of moments is (almost) statistically efficient in low-SNR Gaussian latent-variable models

Beyond Frequency Marching: Orbit Recovery in Dihedral and Projected Multireference Alignment

Receipt and verification

First computed	2026-07-05T11:44:19.656769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56953a67613e26f5a2cf8bb2626c716a4b9b75848478f702a6eb8bc02fe758f1

Aliases

arxiv: 2507.20459 · arxiv_version: 2507.20459v1 · doi: 10.48550/arxiv.2507.20459 · pith_short_12: K2KTUZ3BHYTP · pith_short_16: K2KTUZ3BHYTPLIWP · pith_short_8: K2KTUZ3B

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/K2KTUZ3BHYTPLIWPROZGE3DRNJ \
  | 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: 56953a67613e26f5a2cf8bb2626c716a4b9b75848478f702a6eb8bc02fe758f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f44ae9b1c090068b7c50460080aad473813d5c9b0bb2751ac6291a8ae677be20",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "math.ST",
      "stat.ME",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-07-28T01:24:55Z",
    "title_canon_sha256": "7b68ac5ff49f3c3b7c532bc6b25a48b1e6601e2646f4dd08ad9f9fc012f86da1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.20459",
    "kind": "arxiv",
    "version": 1
  }
}