Pith Number

pith:BVESYI4Z

pith:2025:BVESYI4ZAJXRBQOWUPGLJ2KXDK

not attested not anchored not stored refs pending

Spectral Algorithms under Covariate Shift

Jun Fan, Lei Shi, Zheng-Chu Guo

arxiv:2504.12625 v2 · 2025-04-17 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BVESYI4ZAJXRBQOWUPGLJ2KXDK}

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	2026-07-05T11:40:54.189888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d492c2399026f10c1d6a3ccb4e9571aa51281ea6a9ac0d4d424ec87371b7da6

Aliases

arxiv: 2504.12625 · arxiv_version: 2504.12625v2 · doi: 10.48550/arxiv.2504.12625 · pith_short_12: BVESYI4ZAJXR · pith_short_16: BVESYI4ZAJXRBQOW · pith_short_8: BVESYI4Z

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/BVESYI4ZAJXRBQOWUPGLJ2KXDK \
  | 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: 0d492c2399026f10c1d6a3ccb4e9571aa51281ea6a9ac0d4d424ec87371b7da6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd401eb0bb342cab38f79b347ed845a7f2b1a5b7ced8caeee12313ea4cea2c2b",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2025-04-17T04:02:06Z",
    "title_canon_sha256": "6f42dc878905130562bd1cbc3568bc59988dcb89e2d85a164142efd41530d22d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.12625",
    "kind": "arxiv",
    "version": 2
  }
}