Pith Number

pith:PRAR7AOR

pith:2019:PRAR7AORF37TVULKMRWW7TAD6D

not attested not anchored not stored refs pending

Revisiting Sample Selection Approach to Positive-Unlabeled Learning: Turning Unlabeled Data into Positive rather than Negative

Bingcong Li, Bo Han, Gang Niu, Masashi Sugiyama, Miao Xu

arxiv:1901.10155 v1 · 2019-01-29 · 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{PRAR7AORF37TVULKMRWW7TAD6D}

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	2026-05-17T23:55:16.015777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c411f81d12eff3ad16a646d6fcc03f0c9bb294c27081f7d11e5cb8c3e9f6112

Aliases

arxiv: 1901.10155 · arxiv_version: 1901.10155v1 · doi: 10.48550/arxiv.1901.10155 · pith_short_12: PRAR7AORF37T · pith_short_16: PRAR7AORF37TVULK · pith_short_8: PRAR7AOR

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/PRAR7AORF37TVULKMRWW7TAD6D \
  | 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: 7c411f81d12eff3ad16a646d6fcc03f0c9bb294c27081f7d11e5cb8c3e9f6112

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b7339976847223a672c47bc33e79f3025cb546c6d2a38fced03002b0b8b30be",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-01-29T08:15:56Z",
    "title_canon_sha256": "087c121c780fa7dfbcc35fcb42afb2b98dae67da04f44a9c0a55f8d848c3ca4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.10155",
    "kind": "arxiv",
    "version": 1
  }
}