Pith Number

pith:RUEPTPJ3

pith:2020:RUEPTPJ3OPC4VMYGVFCEVCS6HD

not attested not anchored not stored refs pending

Geometric Interpretation of Running Nystr\"{o}m-Based Kernel Machines and Error Analysis

Daoqiang Zhang, Mingxia Liu, Weida Li

arxiv:2002.08937 v2 · 2020-02-20 · 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{RUEPTPJ3OPC4VMYGVFCEVCS6HD}

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	2026-07-05T03:15:27.212389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d08f9bd3b73c5cab306a9444a8a5e38d2b371b46a03f1c22b5a1513103fb9e1

Aliases

arxiv: 2002.08937 · arxiv_version: 2002.08937v2 · doi: 10.48550/arxiv.2002.08937 · pith_short_12: RUEPTPJ3OPC4 · pith_short_16: RUEPTPJ3OPC4VMYG · pith_short_8: RUEPTPJ3

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/RUEPTPJ3OPC4VMYGVFCEVCS6HD \
  | 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: 8d08f9bd3b73c5cab306a9444a8a5e38d2b371b46a03f1c22b5a1513103fb9e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9dfc6fc575e38a9ea9c717ead57bc058257ef426d21145705cd1b14940c2544",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-02-20T18:36:16Z",
    "title_canon_sha256": "a1587480b2ea589e8e32c75f3a430364e670d45f0bae45de16dcabc23552f51b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.08937",
    "kind": "arxiv",
    "version": 2
  }
}