Pith Number

pith:ECNOP54U

pith:2026:ECNOP54UH7X3KKOKI76HOBZ3ET

not attested not anchored not stored refs pending

Covariance Shrinkage via Stochastic Interpolation

Eric Vanden-Eijnden, Florentin Coeurdoux, Mathieu Chalvidal

arxiv:2606.07382 v1 · 2026-06-05 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ECNOP54UH7X3KKOKI76HOBZ3ET}

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	2026-06-08T01:05:23.671168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

209ae7f7943fefb529ca47fc77073b24c35be4a8b65bdbd9e6a6256cc982642c

Aliases

arxiv: 2606.07382 · arxiv_version: 2606.07382v1 · doi: 10.48550/arxiv.2606.07382 · pith_short_12: ECNOP54UH7X3 · pith_short_16: ECNOP54UH7X3KKOK · pith_short_8: ECNOP54U

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/ECNOP54UH7X3KKOKI76HOBZ3ET \
  | 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: 209ae7f7943fefb529ca47fc77073b24c35be4a8b65bdbd9e6a6256cc982642c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c24086bd24e2da073d48e6496b24d5af9521ab9e1808e4a83b91fa9c7aa2d15b",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-05T15:21:27Z",
    "title_canon_sha256": "92d01e64e84c11b3e61829daf960702dee7c4571b3191eec578e83c631fab668"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.07382",
    "kind": "arxiv",
    "version": 1
  }
}