Pith Number

pith:TCZQENFJ

pith:2025:TCZQENFJMSGHEDM5O4IFVN7V5I

not attested not anchored not stored refs pending

Spectral Estimators for Multi-Index Models: Precise Asymptotics and Optimal Weak Recovery

Filip Kova\v{c}evi\'c, Marco Mondelli, Yihan Zhang

arxiv:2502.01583 v2 · 2025-02-03 · stat.ML · cs.IT · cs.LG · math.IT · math.PR · math.ST · stat.TH

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TCZQENFJMSGHEDM5O4IFVN7V5I}

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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

Scaling Laws from Sequential Feature Recovery: A Solvable Hierarchical Model

Receipt and verification

First computed	2026-07-05T11:19:03.189580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98b30234a9648c720d9d77105ab7f5ea1f6e8d275fde5529eb3f79f8c7e40156

Aliases

arxiv: 2502.01583 · arxiv_version: 2502.01583v2 · doi: 10.48550/arxiv.2502.01583 · pith_short_12: TCZQENFJMSGH · pith_short_16: TCZQENFJMSGHEDM5 · pith_short_8: TCZQENFJ

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/TCZQENFJMSGHEDM5O4IFVN7V5I \
  | 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: 98b30234a9648c720d9d77105ab7f5ea1f6e8d275fde5529eb3f79f8c7e40156

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c6a0d95d55ba5ebf203114aa9a3b58a44b1a89338bf30bde8743a9e43f7a251",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT",
      "math.PR",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2025-02-03T18:08:30Z",
    "title_canon_sha256": "51d1f90b48246bdee77876b340645c4344dbd55f6e7ee2ccf3a094ba352a5af9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.01583",
    "kind": "arxiv",
    "version": 2
  }
}