Pith Number

pith:RH2M4IPW

pith:2018:RH2M4IPWMS7MI3P4OLU6FX7ZQH

not attested not anchored not stored refs pending

Sparse Kernel PCA for Outlier Detection

Aditya Golatkar, Rudrajit Das, Suyash P. Awate

arxiv:1809.02497 v2 · 2018-09-07 · 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{RH2M4IPWMS7MI3P4OLU6FX7ZQH}

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	2026-05-18T00:05:44.894728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89f4ce21f664bec46dfc72e9e2dff981f3f622abfc9631646c686fd12d4fa875

Aliases

arxiv: 1809.02497 · arxiv_version: 1809.02497v2 · doi: 10.48550/arxiv.1809.02497 · pith_short_12: RH2M4IPWMS7M · pith_short_16: RH2M4IPWMS7MI3P4 · pith_short_8: RH2M4IPW

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/RH2M4IPWMS7MI3P4OLU6FX7ZQH \
  | 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: 89f4ce21f664bec46dfc72e9e2dff981f3f622abfc9631646c686fd12d4fa875

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18945d2fcf1b5d672cf8999566cf958413ecbe32ccb4982f0a9a6f3371bd742d",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-09-07T14:23:03Z",
    "title_canon_sha256": "8422fb134c3b7d90b71be135fb9a87f3006883570cc2cc762d9b2f76414ce226"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02497",
    "kind": "arxiv",
    "version": 2
  }
}