Pith Number

pith:QSCFFRCU

pith:2021:QSCFFRCUEKZ7H2HY3MQSKYAJGB

not attested not anchored not stored refs pending

Feature Selection for Imbalanced Data with Deep Sparse Autoencoders Ensemble

Anna Maria Paganoni, Francesca Gasperoni, Francesca Ieva, Michela C. Massi

arxiv:2103.11678 v1 · 2021-03-22 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QSCFFRCUEKZ7H2HY3MQSKYAJGB}

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	2026-07-05T02:25:02.510545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

848452c45422b3f3e8f8db212560093056dc3cb8dc37b186a3c23eae745c9850

Aliases

arxiv: 2103.11678 · arxiv_version: 2103.11678v1 · doi: 10.48550/arxiv.2103.11678 · pith_short_12: QSCFFRCUEKZ7 · pith_short_16: QSCFFRCUEKZ7H2HY · pith_short_8: QSCFFRCU

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/QSCFFRCUEKZ7H2HY3MQSKYAJGB \
  | 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: 848452c45422b3f3e8f8db212560093056dc3cb8dc37b186a3c23eae745c9850

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb18dea803e1966bd0cbbf03ae31cff198e2655af86696fbb3767779518ee055",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2021-03-22T09:17:08Z",
    "title_canon_sha256": "e09f08cd51bb9ed3e8c6671df46e2b9e691d72023d8c0cbba8ea465b914e170a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.11678",
    "kind": "arxiv",
    "version": 1
  }
}