Pith Number

pith:XNLLCMDO

pith:2019:XNLLCMDOD6WLCUOOCK3NALBOFS

not attested not anchored not stored refs pending

The information-theoretic value of unlabeled data in semi-supervised learning

Alexander Golovnev, Bal\'azs Sz\"or\'enyi, D\'avid P\'al

arxiv:1901.05515 v2 · 2019-01-16 · cs.LG · stat.ML

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XNLLCMDOD6WLCUOOCK3NALBOFS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:46:18.837188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb56b1306e1facb151ce12b6d02c2e2cb5d05182e6f90e93c0c1497acd845709

Aliases

arxiv: 1901.05515 · arxiv_version: 1901.05515v2 · doi: 10.48550/arxiv.1901.05515 · pith_short_12: XNLLCMDOD6WL · pith_short_16: XNLLCMDOD6WLCUOO · pith_short_8: XNLLCMDO

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/XNLLCMDOD6WLCUOOCK3NALBOFS \
  | 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: bb56b1306e1facb151ce12b6d02c2e2cb5d05182e6f90e93c0c1497acd845709

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2581c6f06605770affd53b468981277acbee7306e4003b970b9a1b6710538ffe",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-01-16T20:08:01Z",
    "title_canon_sha256": "dd01de7d281539f75308bd570b0b40708176a996d50de8499357acfa9c68fe9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05515",
    "kind": "arxiv",
    "version": 2
  }
}