Pith Number

pith:UDJF44QK

pith:2020:UDJF44QKTIQRD3OKX4ZABG7RHM

not attested not anchored not stored refs pending

Elastic Net based Feature Ranking and Selection

Hang Yu, Haobo Chen, Ping Shi, Shaode Yu, Wenjian Qin, Xiaokun Liang, Yaoqin Xie, Zhicheng Zhang

arxiv:2012.14982 v1 · 2020-12-30 · cs.LG · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UDJF44QKTIQRD3OKX4ZABG7RHM}

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	2026-07-05T02:03:03.356938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0d25e720a9a2111edcabf32009bf13b0b7ce6d146c72c4ea9e81294930b9aee

Aliases

arxiv: 2012.14982 · arxiv_version: 2012.14982v1 · doi: 10.48550/arxiv.2012.14982 · pith_short_12: UDJF44QKTIQR · pith_short_16: UDJF44QKTIQRD3OK · pith_short_8: UDJF44QK

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/UDJF44QKTIQRD3OKX4ZABG7RHM \
  | 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: a0d25e720a9a2111edcabf32009bf13b0b7ce6d146c72c4ea9e81294930b9aee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "faa0d31cb9b308181cfb87104cacc3b93cb177a599f7c57e35f08f7032c0b4ef",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-12-30T00:08:36Z",
    "title_canon_sha256": "08bc9b26be3acc999180713867b6e01651055891f46e9bd10090e55e0c56e61c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.14982",
    "kind": "arxiv",
    "version": 1
  }
}