Pith Number

pith:OC6FGVJ7

pith:2022:OC6FGVJ7LZFGROFJUYPIDPWPW4

not attested not anchored not stored refs pending

Don't fear the unlabelled: safe semi-supervised learning via simple debiasing

Hugo Schmutz, Olivier Humbert, Pierre-Alexandre Mattei

arxiv:2203.07512 v3 · 2022-03-14 · stat.ML · cs.AI · cs.LG · stat.CO · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OC6FGVJ7LZFGROFJUYPIDPWPW4}

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	2026-07-05T05:47:44.557168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70bc53553f5e4a68b8a9a61e81becfb73032542ca15162672fce802a7ee73eac

Aliases

arxiv: 2203.07512 · arxiv_version: 2203.07512v3 · doi: 10.48550/arxiv.2203.07512 · pith_short_12: OC6FGVJ7LZFG · pith_short_16: OC6FGVJ7LZFGROFJ · pith_short_8: OC6FGVJ7

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/OC6FGVJ7LZFGROFJUYPIDPWPW4 \
  | 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: 70bc53553f5e4a68b8a9a61e81becfb73032542ca15162672fce802a7ee73eac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a86608b819bf336115b85cb2686248c63923a3565c26eea7914062b44ea7da0f",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "stat.CO",
      "stat.ME"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2022-03-14T21:42:21Z",
    "title_canon_sha256": "1288a869eb9f4cde024e2e2a1c6cb08deea73d803c586fa6b6abbc8915eed746"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.07512",
    "kind": "arxiv",
    "version": 3
  }
}