Pith Number

pith:UCHPKBE4

pith:2016:UCHPKBE4OZAAOGFBX5OW67COJI

not attested not anchored not stored refs pending

Optimistic Semi-supervised Least Squares Classification

Jesse H. Krijthe, Marco Loog

arxiv:1610.03713 v1 · 2016-10-12 · 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{UCHPKBE4OZAAOGFBX5OW67COJI}

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	2026-05-18T01:02:29.476874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a08ef5049c76400718a1bf5d6f7c4e4a072705d8851e2b5b8ee69031a64fdc0b

Aliases

arxiv: 1610.03713 · arxiv_version: 1610.03713v1 · doi: 10.48550/arxiv.1610.03713 · pith_short_12: UCHPKBE4OZAA · pith_short_16: UCHPKBE4OZAAOGFB · pith_short_8: UCHPKBE4

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/UCHPKBE4OZAAOGFBX5OW67COJI \
  | 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: a08ef5049c76400718a1bf5d6f7c4e4a072705d8851e2b5b8ee69031a64fdc0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a47c61e54542c2551075231e873f61f0986a4124a2550863a7a65866d6e63446",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2016-10-12T13:52:07Z",
    "title_canon_sha256": "caf69d7a7e4ab7a78d0119068ce919fbc2e9fe1fd0d9f9d9c4480568fa627af8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.03713",
    "kind": "arxiv",
    "version": 1
  }
}