Pith Number

pith:RUPVXKVK

pith:2015:RUPVXKVKXV4BVTCVY6PJEXADTR

not attested not anchored not stored refs pending

Assessing binary classifiers using only positive and unlabeled data

Bart De Moor, Frank De Smet, Jesse Davis, Marc Claesen

arxiv:1504.06837 v2 · 2015-04-26 · stat.ML · cs.IR · 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{RUPVXKVKXV4BVTCVY6PJEXADTR}

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	2026-05-18T01:23:38.343216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d1f5baaaabd781acc55c79e925c039c7da55c521475d9a627da605d37fcec75

Aliases

arxiv: 1504.06837 · arxiv_version: 1504.06837v2 · doi: 10.48550/arxiv.1504.06837 · pith_short_12: RUPVXKVKXV4B · pith_short_16: RUPVXKVKXV4BVTCV · pith_short_8: RUPVXKVK

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/RUPVXKVKXV4BVTCVY6PJEXADTR \
  | 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: 8d1f5baaaabd781acc55c79e925c039c7da55c521475d9a627da605d37fcec75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83548a2675d9fe887d147908a51fa648855df229aea565e89f040dd783d5745f",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-04-26T14:59:12Z",
    "title_canon_sha256": "2057b2cad35ccb3060eedcdc82f2556c7cc7cf566a74214420673adde9791b88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06837",
    "kind": "arxiv",
    "version": 2
  }
}