Pith Number

pith:6OJL3XIL

pith:2019:6OJL3XILOH2VHNISJWLP7EURFG

not attested not anchored not stored refs pending

On the discriminative power of Hyper-parameters in Cross-Validation and how to choose them

Azzurra Ragone, Claudio Pomo, Eugenio Di Sciascio, Tommaso Di Noia, Vito Walter Anelli

arxiv:1909.02523 v1 · 2019-09-05 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6OJL3XILOH2VHNISJWLP7EURFG}

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	2026-07-05T00:02:35.461085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f392bddd0b71f553b5124d96ff929129bf2e8fe729df1f1772622d1d48e5a4ba

Aliases

arxiv: 1909.02523 · arxiv_version: 1909.02523v1 · doi: 10.48550/arxiv.1909.02523 · pith_short_12: 6OJL3XILOH2V · pith_short_16: 6OJL3XILOH2VHNIS · pith_short_8: 6OJL3XIL

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/6OJL3XILOH2VHNISJWLP7EURFG \
  | 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: f392bddd0b71f553b5124d96ff929129bf2e8fe729df1f1772622d1d48e5a4ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebe4b936d413c20b2b481bfd66c9c508b3ec923a08701332baad042fa785d6a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-09-05T16:49:53Z",
    "title_canon_sha256": "fbeeecc84c4283b248a171755075c560d77fb80cfeb3d2ac396d614cd98ffbbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02523",
    "kind": "arxiv",
    "version": 1
  }
}