Pith Number

pith:H3CVUVQX

pith:2022:H3CVUVQX32GIDX7YCS4ICJPZPD

not attested not anchored not stored refs pending

Optimal Eigenvalue Shrinkage in the Semicircle Limit

David L. Donoho, Michael J. Feldman

arxiv:2210.04488 v2 · 2022-10-10 · 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{H3CVUVQX32GIDX7YCS4ICJPZPD}

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

Dimension-Free Saddle-Point Escape in Muon

Receipt and verification

First computed	2026-07-05T06:35:45.898809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ec55a5617de8c81dff814b88125f978d10a122c00ac614baa05e525df20e1bd

Aliases

arxiv: 2210.04488 · arxiv_version: 2210.04488v2 · doi: 10.48550/arxiv.2210.04488 · pith_short_12: H3CVUVQX32GI · pith_short_16: H3CVUVQX32GIDX7Y · pith_short_8: H3CVUVQX

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/H3CVUVQX32GIDX7YCS4ICJPZPD \
  | 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: 3ec55a5617de8c81dff814b88125f978d10a122c00ac614baa05e525df20e1bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ec95ec274190089db6ee1ae9b0cff3aa27149183b4923a975626410147660fd",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2022-10-10T08:33:05Z",
    "title_canon_sha256": "3635f09e6390c2e510b3387940db8226158ab9c8db9d6750b502ac987c075fe2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.04488",
    "kind": "arxiv",
    "version": 2
  }
}