Pith Number

pith:QCPCVR4Q

pith:2017:QCPCVR4QVIFG7C2PEFFL45R5PR

not attested not anchored not stored refs pending

Kernel Feature Selection via Conditional Covariance Minimization

Jianbo Chen, Martin J. Wainwright, Michael I. Jordan, Mitchell Stern

arxiv:1707.01164 v2 · 2017-07-04 · stat.ML · cs.AI · cs.LG · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QCPCVR4QVIFG7C2PEFFL45R5PR}

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	2026-05-18T00:02:45.683702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

809e2ac790aa0a6f8b4f214abe763d7c411e24dc10ba20b171271422763ea058

Aliases

arxiv: 1707.01164 · arxiv_version: 1707.01164v2 · doi: 10.48550/arxiv.1707.01164 · pith_short_12: QCPCVR4QVIFG · pith_short_16: QCPCVR4QVIFG7C2P · pith_short_8: QCPCVR4Q

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/QCPCVR4QVIFG7C2PEFFL45R5PR \
  | 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: 809e2ac790aa0a6f8b4f214abe763d7c411e24dc10ba20b171271422763ea058

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "025e1500aeb74e107311bc416d1ef4a621ab7916933f0404404d11c5d21d6f22",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-07-04T22:00:58Z",
    "title_canon_sha256": "885d8cc665cbc696e62bfbf38e84b686e910397aa4c222d733d7dfb5a6da042d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01164",
    "kind": "arxiv",
    "version": 2
  }
}