Pith Number

pith:5SVU23BC

pith:2020:5SVU23BCB4UKTYDC2GQX26LLKJ

not attested not anchored not stored refs pending

A General Class of Transfer Learning Regression without Implementation Cost

Kenji Fukumizu, Ryo Yoshida, Shunya Minami, Song Liu, Stephen Wu

arxiv:2006.13228 v2 · 2020-06-23 · 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{5SVU23BCB4UKTYDC2GQX26LLKJ}

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	2026-07-05T02:00:11.584270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecab4d6c220f28a9e062d1a17d796b527fdc2970e5b7337090e53f5efb371dd7

Aliases

arxiv: 2006.13228 · arxiv_version: 2006.13228v2 · doi: 10.48550/arxiv.2006.13228 · pith_short_12: 5SVU23BCB4UK · pith_short_16: 5SVU23BCB4UKTYDC · pith_short_8: 5SVU23BC

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/5SVU23BCB4UKTYDC2GQX26LLKJ \
  | 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: ecab4d6c220f28a9e062d1a17d796b527fdc2970e5b7337090e53f5efb371dd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df156045fc394415256e89595833d71f8123d5369509cc3b5a24f4d6d95be2fc",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2020-06-23T18:00:02Z",
    "title_canon_sha256": "b9126a9d7c603a83b458e0068556523d7662a488128e266e4b54237df25d2bc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.13228",
    "kind": "arxiv",
    "version": 2
  }
}