Pith Number

pith:7OVQLHQ7

pith:2026:7OVQLHQ7AQPIS5NCXHNSIWLXGG

not attested not anchored not stored refs pending

Efficient Bilevel Optimization for Meta Label Correction in Noisy Label Learning

Ba Hoang Anh Nguyen, Viet Cuong Ta

arxiv:2605.17833 v1 · 2026-05-18 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7OVQLHQ7AQPIS5NCXHNSIWLXGG}

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	2026-05-20T00:05:00.735773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbab059e1f041e8975a2b9db245977318aef06dda9f7c20d9ef5ee59be784624

Aliases

arxiv: 2605.17833 · arxiv_version: 2605.17833v1 · doi: 10.48550/arxiv.2605.17833 · pith_short_12: 7OVQLHQ7AQPI · pith_short_16: 7OVQLHQ7AQPIS5NC · pith_short_8: 7OVQLHQ7

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/7OVQLHQ7AQPIS5NCXHNSIWLXGG \
  | 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: fbab059e1f041e8975a2b9db245977318aef06dda9f7c20d9ef5ee59be784624

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e4b7c5c6e8b54f3501e3cf151f9ac4b3139648bae0684004b1bdfc98949b537",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-18T04:12:14Z",
    "title_canon_sha256": "89914860336a3ce9d05a24c2ce68a80d9ab4e5b89c7ca7e630c6e94d61845688"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.17833",
    "kind": "arxiv",
    "version": 1
  }
}