Pith Number

pith:UWMC4VBJ

pith:2019:UWMC4VBJTPU52UKXFEOXTGEHTB

not attested not anchored not stored refs pending

Scalable Evaluation and Improvement of Document Set Expansion via Neural Positive-Unlabeled Learning

Alon Jacovi, Gang Niu, Masashi Sugiyama, Yoav Goldberg

arxiv:1910.13339 v2 · 2019-10-29 · cs.CL · 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{UWMC4VBJTPU52UKXFEOXTGEHTB}

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	2026-07-05T02:07:01.036185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5982e54299be9dd5157291d799887986197c7cb4c2569e2705fed27d12a4a28

Aliases

arxiv: 1910.13339 · arxiv_version: 1910.13339v2 · doi: 10.48550/arxiv.1910.13339 · pith_short_12: UWMC4VBJTPU5 · pith_short_16: UWMC4VBJTPU52UKX · pith_short_8: UWMC4VBJ

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/UWMC4VBJTPU52UKXFEOXTGEHTB \
  | 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: a5982e54299be9dd5157291d799887986197c7cb4c2569e2705fed27d12a4a28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62ecdba8174f85969291be5e0332a6f246c04b9f22fc84c1e2bb6cc884e70647",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-10-29T15:56:33Z",
    "title_canon_sha256": "b8b4ec2240e351c6503f79eca271013668fcdd49d213d1c59313b89ac6d670d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.13339",
    "kind": "arxiv",
    "version": 2
  }
}