Pith Number

pith:IIUBBGXB

pith:2016:IIUBBGXBPWHUGSL3ZBLPXEY7ZF

not attested not anchored not stored refs pending

Efficient Pairwise Learning Using Kernel Ridge Regression: an Exact Two-Step Method

Antti Airola, Bernard De Baets, Michiel Stock, Tapio Pahikkala, Willem Waegeman

arxiv:1606.04275 v1 · 2016-06-14 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IIUBBGXBPWHUGSL3ZBLPXEY7ZF}

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	2026-05-18T01:12:25.835258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4228109ae17d8f43497bc856fb931fc95cb6b37455142e244bd266224de03e8a

Aliases

arxiv: 1606.04275 · arxiv_version: 1606.04275v1 · doi: 10.48550/arxiv.1606.04275 · pith_short_12: IIUBBGXBPWHU · pith_short_16: IIUBBGXBPWHUGSL3 · pith_short_8: IIUBBGXB

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/IIUBBGXBPWHUGSL3ZBLPXEY7ZF \
  | 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: 4228109ae17d8f43497bc856fb931fc95cb6b37455142e244bd266224de03e8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "423b49a44a2ff38957a1a6ed73cd555205f0a27c4747b3d71af34865b206355c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-06-14T09:38:18Z",
    "title_canon_sha256": "e1e7206b908b60629f0703f824de78146432b5256de7e640b31e0c922557edd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.04275",
    "kind": "arxiv",
    "version": 1
  }
}