Pith Number

pith:JPD3LJUV

pith:2012:JPD3LJUVCITIS6BYHIRUADGP6U

not attested not anchored not stored refs pending

Linear regression for numeric symbolic variables: an ordinary least squares approach based on Wasserstein Distance

Antonio Irpino, Rosanna Verde

arxiv:1202.1436 v2 · 2012-02-07 · stat.ME · stat.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JPD3LJUVCITIS6BYHIRUADGP6U}

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	2026-05-18T01:16:01.240405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bc7b5a69512268978383a23400ccff51d05081455f1a27fbd8375d78be19aea

Aliases

arxiv: 1202.1436 · arxiv_version: 1202.1436v2 · doi: 10.48550/arxiv.1202.1436 · pith_short_12: JPD3LJUVCITI · pith_short_16: JPD3LJUVCITIS6BY · pith_short_8: JPD3LJUV

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/JPD3LJUVCITIS6BYHIRUADGP6U \
  | 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: 4bc7b5a69512268978383a23400ccff51d05081455f1a27fbd8375d78be19aea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ede7ccda4bf003ae1024f70c4e1db0ecc8245b2ce89f0e97acb54a688f59ad8",
    "cross_cats_sorted": [
      "stat.OT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2012-02-07T14:38:36Z",
    "title_canon_sha256": "7182fb075fa5c9f488300d669035d9b1787ff0e3abd2fc298441174a9f2af1ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1436",
    "kind": "arxiv",
    "version": 2
  }
}