Pith Number

pith:WDD5LBUJ

pith:2025:WDD5LBUJEWC2UEKB5Y5CI2CDXV

not attested not anchored not stored refs pending

Sufficiency-principled Transfer Learning via Model Averaging

Huihang Liu, Xinyu Zhang, Xiyuan Zhang

arxiv:2507.15416 v1 · 2025-07-21 · stat.ME · 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{WDD5LBUJEWC2UEKB5Y5CI2CDXV}

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	2026-07-05T11:40:36.788612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0c7d586892585aa1141ee3a246843bd7a478c3fb0f1c71a3c81e9e2eff178f6

Aliases

arxiv: 2507.15416 · arxiv_version: 2507.15416v1 · doi: 10.48550/arxiv.2507.15416 · pith_short_12: WDD5LBUJEWC2 · pith_short_16: WDD5LBUJEWC2UEKB · pith_short_8: WDD5LBUJ

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/WDD5LBUJEWC2UEKB5Y5CI2CDXV \
  | 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: b0c7d586892585aa1141ee3a246843bd7a478c3fb0f1c71a3c81e9e2eff178f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2316860cf358b772fad211b1a1cee5064b23ad3b2e2788f44fb8be755f6d31a",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2025-07-21T09:17:12Z",
    "title_canon_sha256": "5f1eea4aaf52b109cdfc59ccc8687c62b1066a46e025538aa4680f0c29dede1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.15416",
    "kind": "arxiv",
    "version": 1
  }
}