Pith Number

pith:IC3GT2Z5

pith:2019:IC3GT2Z5BOS6XWIWXEBBP4XL6V

not attested not anchored not stored refs pending

Active learning for binary classification with variable selection

Yuan-chin Ivan Chang, Yumi Kwon, Zhanfeng Wang

arxiv:1901.10079 v1 · 2019-01-29 · stat.ML · 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{IC3GT2Z5BOS6XWIWXEBBP4XL6V}

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	2026-05-17T23:55:16.221815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40b669eb3d0ba5ebd916b90217f2ebf5625cdadb788a4a943f92b908d64ea179

Aliases

arxiv: 1901.10079 · arxiv_version: 1901.10079v1 · doi: 10.48550/arxiv.1901.10079 · pith_short_12: IC3GT2Z5BOS6 · pith_short_16: IC3GT2Z5BOS6XWIW · pith_short_8: IC3GT2Z5

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/IC3GT2Z5BOS6XWIWXEBBP4XL6V \
  | 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: 40b669eb3d0ba5ebd916b90217f2ebf5625cdadb788a4a943f92b908d64ea179

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3acae364fa2a1d68b5a83a6f81db9adc617b9d4d3e28b9fb686d7fb62d4df3b",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-01-29T02:57:30Z",
    "title_canon_sha256": "ffa7451831b492b869c31a1349d8dfae9934e8bab22197514da36296f572e8f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.10079",
    "kind": "arxiv",
    "version": 1
  }
}