Pith Number

pith:7UXN43VL

pith:2022:7UXN43VLFCPYEJKV3YKCXE25GH

not attested not anchored not stored refs pending

Complex-to-Real Sketches for Tensor Products with Applications to the Polynomial Kernel

Jonas Wacker, Maurizio Filippone, Ruben Ohana

arxiv:2202.02031 v4 · 2022-02-04 · stat.ML · cs.LG · stat.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7UXN43VLFCPYEJKV3YKCXE25GH}

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	2026-07-05T06:05:26.172849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd2ede6eab289f822555de142b935d31c5c24b56c955ff5be6b3cbc427b71f4b

Aliases

arxiv: 2202.02031 · arxiv_version: 2202.02031v4 · doi: 10.48550/arxiv.2202.02031 · pith_short_12: 7UXN43VLFCPY · pith_short_16: 7UXN43VLFCPYEJKV · pith_short_8: 7UXN43VL

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/7UXN43VLFCPYEJKV3YKCXE25GH \
  | 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: fd2ede6eab289f822555de142b935d31c5c24b56c955ff5be6b3cbc427b71f4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1005e039e5c1eaa559de2732410695f3172d5dcfbaf9fff1e5b542a6b8c82394",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2022-02-04T09:15:43Z",
    "title_canon_sha256": "f0a74f9309a17e2beebedf1fc88b4cedaacbc191cca2381bd802a137f6840dab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.02031",
    "kind": "arxiv",
    "version": 4
  }
}