Pith Number

pith:FV2JQP75

pith:2019:FV2JQP75QLN6DJLMBO5VQRGRSE

not attested not anchored not stored refs pending

On missing label patterns in semi-supervised learning

Daniel Ahfock, Geoffrey J. McLachlan

arxiv:1904.02883 v1 · 2019-04-05 · stat.ME · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FV2JQP75QLN6DJLMBO5VQRGRSE}

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	2026-05-17T23:49:19.348423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d74983ffd82dbe1a56c0bbb5844d1912a871819d3d72963280ebaa1fee4ffe7

Aliases

arxiv: 1904.02883 · arxiv_version: 1904.02883v1 · doi: 10.48550/arxiv.1904.02883 · pith_short_12: FV2JQP75QLN6 · pith_short_16: FV2JQP75QLN6DJLM · pith_short_8: FV2JQP75

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/FV2JQP75QLN6DJLMBO5VQRGRSE \
  | 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: 2d74983ffd82dbe1a56c0bbb5844d1912a871819d3d72963280ebaa1fee4ffe7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be09fcd6bd0cf76da04ac9284fa92f84b37d2ef736b87098ecf65d9e724d5a9c",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-04-05T06:07:14Z",
    "title_canon_sha256": "6280cdf3073cc9752558c48d1d7a4cfa9db1c73e2076df6c8295752b7bf13370"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02883",
    "kind": "arxiv",
    "version": 1
  }
}