Pith Number

pith:RN3A22QM

pith:2017:RN3A22QMD42FZCVFSSD2UUZBGK

not attested not anchored not stored refs pending

Automatically Redundant Features Removal for Unsupervised Feature Selection via Sparse Feature Graph

Hao Huang, Hong Qin, Shuchu Han

arxiv:1705.04804 v2 · 2017-05-13 · 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{RN3A22QMD42FZCVFSSD2UUZBGK}

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	2026-05-18T00:41:08.841409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b760d6a0c1f345c8aa59487aa532132b2f060b0a7da3c4a9eaac9edb3d35c0e

Aliases

arxiv: 1705.04804 · arxiv_version: 1705.04804v2 · doi: 10.48550/arxiv.1705.04804 · pith_short_12: RN3A22QMD42F · pith_short_16: RN3A22QMD42FZCVF · pith_short_8: RN3A22QM

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/RN3A22QMD42FZCVFSSD2UUZBGK \
  | 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: 8b760d6a0c1f345c8aa59487aa532132b2f060b0a7da3c4a9eaac9edb3d35c0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa0468c49e849c0aa7ea95cfdeffa4dd8b65b127154c3f093f5662f3c82fa60d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-05-13T09:34:17Z",
    "title_canon_sha256": "6f0d4dfa960da465deb93c0f42cad43fce28d16fb2e8095e9c4f63afee23bef7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.04804",
    "kind": "arxiv",
    "version": 2
  }
}