Pith Number

pith:GHCRTIWQ

pith:2018:GHCRTIWQLIKHZ4FH5CCVDGCB67

not attested not anchored not stored refs pending

Supervising Nystr\"om Methods via Negative Margin Support Vector Selection

Mert Al, Sun-Yuan Kung, Thee Chanyaswad

arxiv:1805.04018 v2 · 2018-05-10 · 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{GHCRTIWQLIKHZ4FH5CCVDGCB67}

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	2026-05-18T00:15:41.539164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31c519a2d05a147cf0a7e885519841f7d98cf9bae18970bc7a26085321703587

Aliases

arxiv: 1805.04018 · arxiv_version: 1805.04018v2 · doi: 10.48550/arxiv.1805.04018 · pith_short_12: GHCRTIWQLIKH · pith_short_16: GHCRTIWQLIKHZ4FH · pith_short_8: GHCRTIWQ

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/GHCRTIWQLIKHZ4FH5CCVDGCB67 \
  | 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: 31c519a2d05a147cf0a7e885519841f7d98cf9bae18970bc7a26085321703587

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45664840ead4c9bc6561bdfe0a3e7175bca30a9f58d574d1288d0a4f2310f98d",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-05-10T15:14:15Z",
    "title_canon_sha256": "743a7d725b44a35cbc995d16ffbf896ab619fb8822b99bdeb73f0b7005ea2987"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04018",
    "kind": "arxiv",
    "version": 2
  }
}