Pith Number

pith:CRBG27N4

pith:2017:CRBG27N4GCB76R6XGUPD6EDF7Y

not attested not anchored not stored refs pending

Consistent Nonparametric Different-Feature Selection via the Sparsest $k$-Subgraph Problem

Hiroki Yanagisawa, Masaaki Imaizumi, Ryo Okamoto, Satoshi Hara, Shigeki Takeuchi, Takafumi Ono, Takayuki Katsuki

arxiv:1707.09688 v2 · 2017-07-31 · 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{CRBG27N4GCB76R6XGUPD6EDF7Y}

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	2026-05-18T00:39:06.269902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14426d7dbc3083ff47d7351e3f1065fe21d36e90ae96ed60feb5fdbeb411053f

Aliases

arxiv: 1707.09688 · arxiv_version: 1707.09688v2 · doi: 10.48550/arxiv.1707.09688 · pith_short_12: CRBG27N4GCB7 · pith_short_16: CRBG27N4GCB76R6X · pith_short_8: CRBG27N4

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/CRBG27N4GCB76R6XGUPD6EDF7Y \
  | 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: 14426d7dbc3083ff47d7351e3f1065fe21d36e90ae96ed60feb5fdbeb411053f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "224a9141fc83b2c782101ffe50c42d5fc609102bf5395b27745ee2f10e13265e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-07-31T00:53:59Z",
    "title_canon_sha256": "d09b66ac0c0d58396d913f105b28677814bf6e5f7e946cd78c037a85c235fcf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09688",
    "kind": "arxiv",
    "version": 2
  }
}