Pith Number

pith:MVVLR4XU

pith:2014:MVVLR4XUJHUPNZITBRDQPK7PVL

not attested not anchored not stored refs pending

Large-scale Online Feature Selection for Ultra-high Dimensional Sparse Data

Nenghai Yu, Steven C. H. Hoi, Tao Mei, Yue Wu

arxiv:1409.7794 v3 · 2014-09-27 · cs.LG · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MVVLR4XUJHUPNZITBRDQPK7PVL}

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	2026-05-18T01:26:31.854659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

656ab8f2f449e8f6e5130c4707abefaafcef6e1c78e306689e856e2feb119bb6

Aliases

arxiv: 1409.7794 · arxiv_version: 1409.7794v3 · doi: 10.48550/arxiv.1409.7794 · pith_short_12: MVVLR4XUJHUP · pith_short_16: MVVLR4XUJHUPNZIT · pith_short_8: MVVLR4XU

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/MVVLR4XUJHUPNZITBRDQPK7PVL \
  | 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: 656ab8f2f449e8f6e5130c4707abefaafcef6e1c78e306689e856e2feb119bb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "569e2eac8e4cbc6bd3e6d2bafaaa5ab04138790f9026b90617d4a294d0d5332e",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-09-27T10:58:09Z",
    "title_canon_sha256": "a749ad770167f7e2138ed8b645c21444e9711efb958b05aa86a6c2a240349192"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7794",
    "kind": "arxiv",
    "version": 3
  }
}