Pith Number

pith:B5PY7IPG

pith:2018:B5PY7IPGEJ4XMI4U5VQOB6BGFE

not attested not anchored not stored refs pending

A Comparative Study of Pairwise Learning Methods based on Kernel Ridge Regression

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

arxiv:1803.01575 v1 · 2018-03-05 · stat.ML · 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{B5PY7IPGEJ4XMI4U5VQOB6BGFE}

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	2026-05-18T00:22:00.210390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f5f8fa1e62279762394ed60e0f8262924dbc9a37b083f718e9dbc1de121444d

Aliases

arxiv: 1803.01575 · arxiv_version: 1803.01575v1 · doi: 10.48550/arxiv.1803.01575 · pith_short_12: B5PY7IPGEJ4X · pith_short_16: B5PY7IPGEJ4XMI4U · pith_short_8: B5PY7IPG

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/B5PY7IPGEJ4XMI4U5VQOB6BGFE \
  | 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: 0f5f8fa1e62279762394ed60e0f8262924dbc9a37b083f718e9dbc1de121444d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2426824897068f293dabb254672d19cdfa182074fc5b92e021792ed25f59c644",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-03-05T09:49:55Z",
    "title_canon_sha256": "f4903b50efe8fb2c8ae3265f257c01eadfa131dac7129281f1e932e606c5a06f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.01575",
    "kind": "arxiv",
    "version": 1
  }
}