Pith Number

pith:U7M43CQO

pith:2019:U7M43CQOYARMM6XPNHIDASQDOR

not attested not anchored not stored refs pending

AFS: An Attention-based mechanism for Supervised Feature Selection

Danni Ge, Ning Gui, Ziyin Hu

arxiv:1902.11074 v1 · 2019-02-28 · cs.LG · cs.AI · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U7M43CQOYARMM6XPNHIDASQDOR}

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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	2026-05-17T23:52:25.855105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7d9cd8a0ec022c67aef69d0304a03746636ad24842c9d6799a944e61908a6e0

Aliases

arxiv: 1902.11074 · arxiv_version: 1902.11074v1 · doi: 10.48550/arxiv.1902.11074 · pith_short_12: U7M43CQOYARM · pith_short_16: U7M43CQOYARMM6XP · pith_short_8: U7M43CQO

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/U7M43CQOYARMM6XPNHIDASQDOR \
  | 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: a7d9cd8a0ec022c67aef69d0304a03746636ad24842c9d6799a944e61908a6e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "986a0a739f491fcce98a4d720b40439f8ba1dfd75cfbfdb03e8ade090341abd3",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-02-28T13:34:11Z",
    "title_canon_sha256": "995affd40bb99120439fdf9cf37339c76a2873d3ebaca74fd82ab9df09a008fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.11074",
    "kind": "arxiv",
    "version": 1
  }
}