Pith Number

pith:CQKBQRKX

pith:2020:CQKBQRKXP3EXSDPB2ZBMNX25M5

not attested not anchored not stored refs pending

Binary Classification from Positive Data with Skewed Confidence

Hirotaka Kaji, Kazuhiko Shinoda, Masashi Sugiyama

arxiv:2001.10642 v1 · 2020-01-29 · 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{CQKBQRKXP3EXSDPB2ZBMNX25M5}

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	2026-07-05T00:37:11.006381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14141845577ec9790de1d642c6df5d676a948866033606a89d4187011efbc6ab

Aliases

arxiv: 2001.10642 · arxiv_version: 2001.10642v1 · doi: 10.48550/arxiv.2001.10642 · pith_short_12: CQKBQRKXP3EX · pith_short_16: CQKBQRKXP3EXSDPB · pith_short_8: CQKBQRKX

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/CQKBQRKXP3EXSDPB2ZBMNX25M5 \
  | 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: 14141845577ec9790de1d642c6df5d676a948866033606a89d4187011efbc6ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18960c456546499e9ab67e37fc169e2bc32d83808381cf7e1be74478f6ecb6bf",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2020-01-29T00:04:36Z",
    "title_canon_sha256": "1df04cf272d3df3028097ec34fd01a3fdc78325b9f58fb14454a84e7491a0a83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.10642",
    "kind": "arxiv",
    "version": 1
  }
}