Pith Number

pith:GNERKXYE

pith:2021:GNERKXYE6NWRN3ADKRJ4C3354W

not attested not anchored not stored refs pending

Rethinking Importance Weighting for Transfer Learning

Masashi Sugiyama, Nan Lu, Takeshi Teshima, Tianyi Zhang, Tongtong Fang

arxiv:2112.10157 v1 · 2021-12-19 · cs.LG · 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{GNERKXYE6NWRN3ADKRJ4C3354W}

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	2026-07-05T03:42:11.803472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3349155f04f36d16ec035453c16f7de5b00ee103d0bbe1632fc383f0b4428ed7

Aliases

arxiv: 2112.10157 · arxiv_version: 2112.10157v1 · doi: 10.48550/arxiv.2112.10157 · pith_short_12: GNERKXYE6NWR · pith_short_16: GNERKXYE6NWRN3AD · pith_short_8: GNERKXYE

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/GNERKXYE6NWRN3ADKRJ4C3354W \
  | 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: 3349155f04f36d16ec035453c16f7de5b00ee103d0bbe1632fc383f0b4428ed7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40e64bb646eddf254a82fa225bbe482b5a882f2353d68dc66988897e706e3800",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-12-19T14:35:25Z",
    "title_canon_sha256": "fd4c7035c71e0d78804c2f2b48629d0011dff8120c7cf188b27612638d4f337c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.10157",
    "kind": "arxiv",
    "version": 1
  }
}