Pith Number

pith:OCBN4PYT

pith:2025:OCBN4PYT5JFHNBCZ6ZHOYLQNEW

not attested not anchored not stored refs pending

Towards Self-Supervised Covariance Estimation in Deep Heteroscedastic Regression

Alexandre Alahi, Aziz Shameem, Mathieu Salzmann, Megh Shukla

arxiv:2502.10587 v1 · 2025-02-14 · cs.LG · cs.AI · 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{OCBN4PYT5JFHNBCZ6ZHOYLQNEW}

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	2026-07-05T10:14:54.816718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7082de3f13ea4a768459f64eec2e0d25b1e15d3acde6a6b93b1bbc4693ae826b

Aliases

arxiv: 2502.10587 · arxiv_version: 2502.10587v1 · doi: 10.48550/arxiv.2502.10587 · pith_short_12: OCBN4PYT5JFH · pith_short_16: OCBN4PYT5JFHNBCZ · pith_short_8: OCBN4PYT

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/OCBN4PYT5JFHNBCZ6ZHOYLQNEW \
  | 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: 7082de3f13ea4a768459f64eec2e0d25b1e15d3acde6a6b93b1bbc4693ae826b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9cceba33c729a8e75c5c8635ee0d7b211c1a3e18bc92ac3420694c120cd4b84",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-14T22:37:11Z",
    "title_canon_sha256": "be17c99418266ea704d9f178d1810961a3490c3240c1e4ad70f513358224644b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.10587",
    "kind": "arxiv",
    "version": 1
  }
}