Pith Number

pith:3352ZXFT

pith:2020:3352ZXFT3EBHUJL4IXSFM4S27I

not attested not anchored not stored refs pending

Rethinking Importance Weighting for Deep Learning under Distribution Shift

Gang Niu, Masashi Sugiyama, Nan Lu, Tongtong Fang

arxiv:2006.04662 v2 · 2020-06-08 · 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{3352ZXFT3EBHUJL4IXSFM4S27I}

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	2026-07-05T01:49:17.081666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

defbacdcb3d9027a257c45e456725afa25f1af96f8343f2e840e4646827de6a4

Aliases

arxiv: 2006.04662 · arxiv_version: 2006.04662v2 · doi: 10.48550/arxiv.2006.04662 · pith_short_12: 3352ZXFT3EBH · pith_short_16: 3352ZXFT3EBHUJL4 · pith_short_8: 3352ZXFT

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/3352ZXFT3EBHUJL4IXSFM4S27I \
  | 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: defbacdcb3d9027a257c45e456725afa25f1af96f8343f2e840e4646827de6a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e6c345688c7dc06bf69a1d8e9f5c63b1a5b73b03e45d7ac10629b602528862c",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-06-08T15:03:40Z",
    "title_canon_sha256": "f9fefd2f539a9faafab1266ed7cac0267ae51d4153071ea3fb57c7dad2c69f4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.04662",
    "kind": "arxiv",
    "version": 2
  }
}