Pith Number

pith:WP7HVILF

pith:2015:WP7HVILFNHFHM2HCUYORFSWAN6

not attested not anchored not stored refs pending

Portfolio optimization using local linear regression ensembles in RapidMiner

Gabor Nagy, Gergo Barta, Tamas Henk

arxiv:1506.08690 v1 · 2015-06-29 · q-fin.PM · 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{WP7HVILFNHFHM2HCUYORFSWAN6}

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	2026-05-18T01:37:43.644423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3fe7aa16569ca7668e2a61d12cac06f993f42505f4ecc3e6e4cd0212f7c026b

Aliases

arxiv: 1506.08690 · arxiv_version: 1506.08690v1 · doi: 10.48550/arxiv.1506.08690 · pith_short_12: WP7HVILFNHFH · pith_short_16: WP7HVILFNHFHM2HC · pith_short_8: WP7HVILF

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/WP7HVILFNHFHM2HCUYORFSWAN6 \
  | 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: b3fe7aa16569ca7668e2a61d12cac06f993f42505f4ecc3e6e4cd0212f7c026b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8118f6e80236043507f0f10bc90b850b8691122c6988e4b976c4eef7b80e5a5e",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2015-06-29T15:42:39Z",
    "title_canon_sha256": "22c2fe56616f3297e5fec4f26d7731b62df919e78898c9eaed72f12ecc6b86d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08690",
    "kind": "arxiv",
    "version": 1
  }
}