Pith Number

pith:XA6CGPOG

pith:2015:XA6CGPOGM4MZG4NKHTWO26ISIC

not attested not anchored not stored refs pending

Feature Selection for Classification under Anonymity Constraint

Baichuan Zhang, Mohammad Al Hasan, Noman Mohammed, Vachik Dave

arxiv:1512.07158 v7 · 2015-12-22 · cs.LG · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XA6CGPOGM4MZG4NKHTWO26ISIC}

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	2026-05-18T00:51:28.454828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b83c233dc667199371aa3ceced7912408a1b8c69881d4f1e3dfada366a7864c9

Aliases

arxiv: 1512.07158 · arxiv_version: 1512.07158v7 · doi: 10.48550/arxiv.1512.07158 · pith_short_12: XA6CGPOGM4MZ · pith_short_16: XA6CGPOGM4MZG4NK · pith_short_8: XA6CGPOG

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/XA6CGPOGM4MZG4NKHTWO26ISIC \
  | 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: b83c233dc667199371aa3ceced7912408a1b8c69881d4f1e3dfada366a7864c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24c0b97987cb1c7c6a9217539c666fd85ba297d64e3fde731f94e582b139188b",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-12-22T17:06:01Z",
    "title_canon_sha256": "2e72dbffa645d5809f59d1466dc11c2dea53d0478fba3135b5355c5add3fcf6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.07158",
    "kind": "arxiv",
    "version": 7
  }
}