Pith Number

pith:EBOEEYL7

pith:2021:EBOEEYL7WSYH2IATJJRCHDLSTD

not attested not anchored not stored refs pending

Fast Sketching of Polynomial Kernels of Polynomial Degree

David P. Woodruff, Lichen Zhang, Zhao Song, Zheng Yu

arxiv:2108.09420 v1 · 2021-08-21 · cs.DS · 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{EBOEEYL7WSYH2IATJJRCHDLSTD}

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	2026-07-05T03:07:54.032411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

205c42617fb4b07d20134a62238d7298f60f0680d9db7fd1bcd8ac3b3f3c6a8e

Aliases

arxiv: 2108.09420 · arxiv_version: 2108.09420v1 · doi: 10.48550/arxiv.2108.09420 · pith_short_12: EBOEEYL7WSYH · pith_short_16: EBOEEYL7WSYH2IAT · pith_short_8: EBOEEYL7

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/EBOEEYL7WSYH2IATJJRCHDLSTD \
  | 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: 205c42617fb4b07d20134a62238d7298f60f0680d9db7fd1bcd8ac3b3f3c6a8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f021dc71e727a8a7d5b0fbc6c24739072b55b55e2db18f1b8dd914c66d94274",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2021-08-21T02:14:55Z",
    "title_canon_sha256": "69b0c57dc83dfdf3c74859270dda6da54b972878c6a6627a7c34c31063cadfc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.09420",
    "kind": "arxiv",
    "version": 1
  }
}