Pith Number

pith:7CLRH4BW

pith:2021:7CLRH4BW2KCZA3VP6OP2RFDZGC

not attested not anchored not stored refs pending

Robusta: Robust AutoML for Feature Selection via Reinforcement Learning

Bhavya Kailkhura, Bo Li, Klara Nahrstedt, Xiaoyang Wang, Yibo Zhang

arxiv:2101.05950 v1 · 2021-01-15 · 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{7CLRH4BW2KCZA3VP6OP2RFDZGC}

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	2026-07-05T02:07:08.162812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f89713f036d285906eaff39fa8947930b6ccf6dabbf7d773f7668420b877e030

Aliases

arxiv: 2101.05950 · arxiv_version: 2101.05950v1 · doi: 10.48550/arxiv.2101.05950 · pith_short_12: 7CLRH4BW2KCZ · pith_short_16: 7CLRH4BW2KCZA3VP · pith_short_8: 7CLRH4BW

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/7CLRH4BW2KCZA3VP6OP2RFDZGC \
  | 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: f89713f036d285906eaff39fa8947930b6ccf6dabbf7d773f7668420b877e030

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "008ef34e860ca0f47492068fb941774dacd2657184deb96d343617a9dbca2296",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-01-15T03:12:29Z",
    "title_canon_sha256": "30133ae42e83780351fafb86de1a2f41f9688d65a664e85ba20a453b7ff5533b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.05950",
    "kind": "arxiv",
    "version": 1
  }
}