Pith Number

pith:I3UZVEJ3

pith:2016:I3UZVEJ3H7QHKRUMU4M3SAOU7W

not attested not anchored not stored refs pending

Efficient Training for Positive Unlabeled Learning

Emanuele Sansone, Francesco G.B. De Natale, Zhi-Hua Zhou

arxiv:1608.06807 v4 · 2016-08-24 · 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{I3UZVEJ3H7QHKRUMU4M3SAOU7W}

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	2026-05-18T00:08:01.014430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46e99a913b3fe075468ca719b901d4fdbe473489572f99c629437afb906f9cc1

Aliases

arxiv: 1608.06807 · arxiv_version: 1608.06807v4 · doi: 10.48550/arxiv.1608.06807 · pith_short_12: I3UZVEJ3H7QH · pith_short_16: I3UZVEJ3H7QHKRUM · pith_short_8: I3UZVEJ3

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/I3UZVEJ3H7QHKRUMU4M3SAOU7W \
  | 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: 46e99a913b3fe075468ca719b901d4fdbe473489572f99c629437afb906f9cc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eefbee928fa9b287ad04bf8c25f3bb69ebff7a5dd638ba13eb73032ae207ba3d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-08-24T13:38:16Z",
    "title_canon_sha256": "2368bddb98c3f76e27102adbe456e377aff1f29b29c4e8ec02256a4a80258772"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.06807",
    "kind": "arxiv",
    "version": 4
  }
}