Pith Number

pith:DGF3VOVJ

pith:2026:DGF3VOVJRM5MU56BRTUXZOLTBG

not attested not anchored not stored refs pending

Harnessing Source Heterogeneity for Cluster-Structured Transfer Learning

Jun Jin, Kun Chen, Robert H. Aseltine, Shane J. Sacco, Xiaohui Yin

arxiv:2606.05258 v1 · 2026-06-03 · stat.ML · cs.LG · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DGF3VOVJRM5MU56BRTUXZOLTBG}

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	2026-06-05T00:13:50.740048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

198bbabaa98b3aca77c18ce97cb97309b3a2062585351638f534060004ce0d7e

Aliases

arxiv: 2606.05258 · arxiv_version: 2606.05258v1 · doi: 10.48550/arxiv.2606.05258 · pith_short_12: DGF3VOVJRM5M · pith_short_16: DGF3VOVJRM5MU56B · pith_short_8: DGF3VOVJ

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/DGF3VOVJRM5MU56BRTUXZOLTBG \
  | 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: 198bbabaa98b3aca77c18ce97cb97309b3a2062585351638f534060004ce0d7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47821c7407169611fef0a1d222614ce58352b3778f19fb5b2c411e9522812caf",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2026-06-03T16:09:15Z",
    "title_canon_sha256": "a7753008c847242005222cec9fd9ceba91f66d1a111a4afdbdc93b412e1a5e03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05258",
    "kind": "arxiv",
    "version": 1
  }
}