Pith Number

pith:AKM6LFRF

pith:2021:AKM6LFRFKGMZXJTSO64VHFT74M

not attested not anchored not stored refs pending

Constrained Optimization to Train Neural Networks on Critical and Under-Represented Classes

Andreas Hoetker, Ender Konukoglu, Ertunc Erdil, Olivio Donati, Sara Sangalli

arxiv:2102.12894 v4 · 2021-02-21 · 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{AKM6LFRFKGMZXJTSO64VHFT74M}

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	2026-07-05T03:46:01.156451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0299e5962551999ba67277b953967fe32e5d5be8367aa54cafcd42c0eec4ed57

Aliases

arxiv: 2102.12894 · arxiv_version: 2102.12894v4 · doi: 10.48550/arxiv.2102.12894 · pith_short_12: AKM6LFRFKGMZ · pith_short_16: AKM6LFRFKGMZXJTS · pith_short_8: AKM6LFRF

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/AKM6LFRFKGMZXJTSO64VHFT74M \
  | 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: 0299e5962551999ba67277b953967fe32e5d5be8367aa54cafcd42c0eec4ed57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f7a2447a6dc38bd27ca60c0d540492409f75581b0f5cbdaedc9b64fa26a1065",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-02-21T09:49:36Z",
    "title_canon_sha256": "b24952e823704004b92612a426bf2d0134fed7b5965f345d2fa412da448aefc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.12894",
    "kind": "arxiv",
    "version": 4
  }
}