Pith Number

pith:6QM5NKRO

pith:2017:6QM5NKROLVYWYMZ7R2JOO2FV55

not attested not anchored not stored refs pending

Embedding Feature Selection for Large-scale Hierarchical Classification

Azad Naik, Huzefa Rangwala

arxiv:1706.01581 v1 · 2017-06-06 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6QM5NKROLVYWYMZ7R2JOO2FV55}

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	2026-05-18T00:42:56.612336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f419d6aa2e5d716c333f8e92e768b5ef7c42ab6525272269ab75ecd244cca614

Aliases

arxiv: 1706.01581 · arxiv_version: 1706.01581v1 · doi: 10.48550/arxiv.1706.01581 · pith_short_12: 6QM5NKROLVYW · pith_short_16: 6QM5NKROLVYWYMZ7 · pith_short_8: 6QM5NKRO

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/6QM5NKROLVYWYMZ7R2JOO2FV55 \
  | 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: f419d6aa2e5d716c333f8e92e768b5ef7c42ab6525272269ab75ecd244cca614

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a8ac7e7a7cc04f8ec58f95e708101a853bcc401bd01a18957ed584a097275b4",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-06-06T01:56:51Z",
    "title_canon_sha256": "5a23baddcb337dd41b28ecab4b7a5bb5be6c91be52a058130fb50022a32633b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.01581",
    "kind": "arxiv",
    "version": 1
  }
}